WO2024109840A1 - 稠环类化合物及其偶联物和用途 - Google Patents
稠环类化合物及其偶联物和用途 Download PDFInfo
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- WO2024109840A1 WO2024109840A1 PCT/CN2023/133434 CN2023133434W WO2024109840A1 WO 2024109840 A1 WO2024109840 A1 WO 2024109840A1 CN 2023133434 W CN2023133434 W CN 2023133434W WO 2024109840 A1 WO2024109840 A1 WO 2024109840A1
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- C07K2317/94—Stability, e.g. half-life, pH, temperature or enzyme-resistance
Definitions
- the present invention relates to fused ring compounds and conjugates thereof and uses thereof, and belongs to the field of medicine.
- ADC drugs use specific linkers to connect antibodies and small molecule cytotoxic drugs. Its main components include antibodies, linkers and small molecule cytotoxic drugs. After ADC drugs enter the blood, their antibody components can recognize targets and bind to tumor cells that highly express cell surface antigens. When the ADC-antigen complex enters tumor cells through endocytosis, the complex is degraded by lysosomes, and the cytotoxic payload (drug) will be released, destroying DNA or preventing tumor cell division, thereby killing tumor cells.
- the first generation of ADC drugs was an attempt to use anti-mouse leukocyte immunoglobulin coupled with methotrexate to treat leukemia in 1958.
- Mylotarg was the first ADC drug to be marketed. It was approved by the FDA in 2000 for the treatment of acute myeloid leukemia, but was withdrawn from the market because Mylotarg caused severe and fatal liver damage and had no significant survival benefit.
- the disadvantages of the first generation of ADC drugs are: the antibodies are mouse antibodies, the cytotoxins are insufficient, and the site is low in expression.
- the starting point of the development of second-generation ADC drugs is trastuzumab enmetuzumab, which is the first approved ADC drug targeting breast cancer.
- the most successful ADC drug in the field of hematological tumors is brentuximab, which mainly targets classical Hodgkin's lymphoma and anaplastic large cell lymphoma.
- the advantages of second-generation ADC drugs are: diversified target antigen development and humanized antibodies, and the disadvantages are: too low or too high drug loading rate, narrow therapeutic window and low effectiveness.
- a typical representative of the third-generation ADC drugs is Ennosumab, which is the second ADC drug targeting solid tumors. It is suitable for patients who have not responded to PD-1/PD-L1 antibody treatment, but it is insensitive to microtubule inhibitors.
- the present disclosure provides a conjugate as shown in the following formula (C), its stereoisomers, racemates, tautomers, isotopomers, isotope labels, nitrogen oxides or pharmaceutically acceptable salts: Tp—L—G (C)
- Tp is the targeting part
- L is selected from a chemical bond or a linker
- G is a group represented by the following formula (G):
- A is selected from N or CR A ;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- RA and R 1 are the same or different and are independently selected from hydrogen, halogen, hydroxy, mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : alkyl, cycloalkyl, cycloalkylalkyl, alkyloxy, cycloalkyloxy, alkyloxyalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH—, alkylC( ⁇ O)NH—, cycloalkylC( ⁇ O)NH—, heterocyclylC( ⁇ O)NH—, arylC( ⁇ O)NH—, heteroarylC( ⁇ O)NH—;
- RA , R1 and the atoms to which they are attached together form a 3-10 membered ring structure which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R3 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R4 is selected from alkyl, alkyloxy, halogen, hydroxy, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R6 is selected from the following groups which are unsubstituted or substituted with one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy, alkyl, alkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, amino;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- each R 9 , R 10 , R 11 , R 12 are the same or different and are independently selected from hydrogen, halogen, cyano, the following groups which are unsubstituted or substituted with one, two or more R I : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- R 9 and R 10 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; alternatively, R 11 and R 12 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; alternatively, R 9 and R 11 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; wherein any of the ring structures may be a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, or a heterobicyclic hydrocarbon group which is unsubstituted or substituted by one, two or more R I ; for example, any of the ring structures
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- Each m is the same or different and is independently selected from an integer from 0 to 10;
- n is the same or different and is independently selected from an integer from 0 to 10;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- R2 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures may be the following groups which are unsubstituted or substituted by one, two or more R I : a 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, or a heterobicyclic hydrocarbon group;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- n and n are the same or different and are independently selected from integers of 0 to 10;
- the groups in formula (G) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- RA and R 1 are the same or different and are independently selected from hydrogen, halogen, hydroxy, mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : alkyl, cycloalkyl, cycloalkylalkyl, alkyloxy, cycloalkyloxy, alkyloxyalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH—, alkylC( ⁇ O)NH—, cycloalkylC( ⁇ O)NH—, heterocyclylC( ⁇ O)NH—, arylC( ⁇ O)NH—, heteroarylC( ⁇ O)NH—;
- RA , R1 and the atoms to which they are attached together form a 3-10 membered ring structure which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R2 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R3 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R4 is selected from alkyl, alkyloxy, halogen, hydroxy, amino, cyano;
- R5 is selected from hydroxyl
- R6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- B is selected from absent, -NR 7 - or -N(NR 7 R 8 )-;
- each R 9 , R 10 , R 11 , R 12 are the same or different and are independently selected from hydrogen, halogen, cyano, the following groups which are unsubstituted or substituted with one, two or more R I : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures can be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- n and n are the same or different and are independently selected from integers of 0 to 10;
- hydrogen, carbon or other atoms in the structural formula are optionally replaced by their isotopes, regardless of whether the group is defined as selected from the above definition or directly drawn in the structural formula, and regardless of whether the group is defined as a substituted group or an unsubstituted group.
- the hydrogen atom on any group in the formula (G) can be selected from 1H , 2H or 3H .
- any hydrogen atom on the substituent on the unsubstituted or substituted alkyl, alkylene, alkylidene, phenyl, pyridyl or lactone group or its ring-forming atoms (if any) in the compound of formula (G) can be independently selected from 1H , 2H or 3H .
- the groups in formula (G) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R
- RA and R 1 are the same or different and are independently selected from 1 H, 2 H, halogen, hydroxyl, mercapto, deuterated hydroxyl, deuterated mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyloxy, C 1-10 alkyloxyC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10
- RA , R1 and the atoms to which they are attached together form a 3-8 membered ring structure, such as a 3, 4, 5, 6, 7 or 8 membered ring structure, which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy, 3-6 membered heterocyclyl, 3-6 membered heterocyclylC 1-6 alkyl, 3-6 membered heterocyclyloxy
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures may be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-,
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- Each of RB , RC, RD , RE , RF , RG , RH , RI , and RJ is the same or different and is independently selected from the group consisting of deuterated, halogen, hydroxy, cyano , nitro, and the following groups which are unsubstituted or substituted with one, two or more RK : C1-10 alkyl, C1-10 alkyloxy , C3-10 cycloalkyl, C3-10 cycloalkylC1-10 alkyl, C3-10 cycloalkyloxy, C6-10 aryl, C6-10 arylC1-10 alkyl, C6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC1-10 alkyl, 3-10 membered heterocyclyloxy, NH2 , HC(
- the groups in formula (G) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R
- RA and R 1 are the same or different and are independently selected from 1 H, 2 H, halogen, hydroxyl, mercapto, deuterated hydroxyl, deuterated mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyloxy, C 1-10 alkyloxyC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10
- RA , R1 and the atoms to which they are attached together form a 3-8 membered ring structure, such as a 3, 4, 5, 6, 7 or 8 membered ring structure, which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 1-10 alkyl, C 1-10 alkyloxy, C 6-10 aryl, C 6-10 arylalkyl, C 6-10 aryloxy, 5-6 membered heteroaryl, 5-6 membered heteroarylalkyl, 5-6 membered heteroaryloxy;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures can be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- the groups in formula (G) can be independently selected from the following definitions:
- A is selected from N;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R 1 is selected from
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy, 3-6 membered heterocyclyl, 3-6 membered heterocyclylC 1-6 alkyl, 3-6 membered heterocyclyloxy;
- B is selected from -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 11 and R 12 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; any of the 3-10 membered ring structures may be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- Each of RB , RC, RD , RE , RF , RG , RH , RI , and RJ is the same or different and is independently selected from the group consisting of deuterated, halogen, hydroxy, cyano , nitro, and the following groups which are unsubstituted or substituted with one, two or more RK : C1-10 alkyl, C1-10 alkyloxy , C3-10 cycloalkyl, C3-10 cycloalkylC1-10 alkyl, C3-10 cycloalkyloxy, C6-10 aryl, C6-10 arylC1-10 alkyl, C6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC1-10 alkyl, 3-10 membered heterocyclyloxy, NH2 , HC(
- R 1 , R 2 together with the quinolyl group to which they are attached form one of the following substructures, wherein the substructure may be unsubstituted or substituted with one, two or more RE :
- R 2 , R 3 together with the quinolyl group to which they are attached form one of the following substructures, wherein the substructure may be unsubstituted or substituted with one, two or more RFs :
- B is selected from the group consisting of: -NH- or -N(NR 7 R 8 )-, wherein R 7 and R 8 are independently defined as above.
- G is selected from the group represented by the following formula (G-1):
- G is selected from the group represented by formula (G-2) or (G-3):
- RA , B, TL , R1 , R2 , R3 and R6 have the same meanings as described above.
- G is selected from the following groups or the groups connected to -TL- at the wavy line of the following groups:
- R 1 , R 2 , R 3 , R 4 , R 6 , R 7 and z have the same meanings as described above.
- G is selected from the following groups or the groups connected to -TL- at the wavy line of the following groups:
- R 1 , R 2 , R 3 , R 4 and R 7 have the same meanings as described above.
- G is selected from the following groups or the groups connected to -TL- at the wavy line of the following groups:
- G is selected from the following groups or the groups connected to -TL- at the wavy line of the following groups:
- L is selected from a chemical bond or a linker represented by formula (L) as defined below: #L 1 —L 2 —L 3 —L 4 —L 5 * (L)
- L 1 is the linking part with the targeting part Tp, which is generated by coupling the reactive group L 1 ' and the targeting part Tp, and # represents the linking site with the Tp part;
- L 1 is the following structure:
- L2 does not exist or is a spacer between L1 and L3 ;
- L 3 is the peptide portion
- L4 is absent or is a spacer between the peptide portion and L5 ;
- L 5 is the linking portion of L 4 and the bioactive molecule G, which is generated by the reaction of the reactive group L 5 ' and the bioactive molecule G or its intermediate, and * represents the linking site with the bioactive molecule G;
- hydrophilic part or steric hindrance part is contained between the above parts in L, preferably between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- R 16 and R 16 ' are the same or different, at least one of which is selected from a hydrophilic group, and the other is selected from the following substituent groups: hydrogen, halogen, Cyano, amino, nitro, C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, aminocarbonyl which are unsubstituted or substituted by one, two or more R zg ;
- Each p is the same or different and is independently selected from an integer of 0 to 10, preferably 1, 2, 3, 4, 5, 6, 7 or 8;
- Y is selected from O, S, C 1-10 alkylene, wherein 1, 2 or 3 methylene groups of the alkylene may be optionally replaced by O or S;
- R 14 and R 15 are the same or different and are independently selected from hydrogen, halogen, cyano, amino, nitro , C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy;
- R 14 , R 15 and the atoms to which they are attached together form a C 3-10 cycloalkyl group which is unsubstituted or substituted with one, two or more R zh ;
- Each R zg , R zh is the same or different and is independently selected from the following groups: halogen, hydroxy, amino, cyano, nitro, C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy;
- L does not contain any hydrophilic or sterically hindering moieties as defined above.
- L 1 is formed by any group L 1 'reactive with the targeting portion Tp, and L 1 ' can be a sulfhydryl reactive group, an amino reactive group, a carboxyl reactive group, a proline residue reactive group, a tyrosine residue reactive group, a disulfide bond bridging group, etc.; for antibodies introduced with non-natural amino acids, it can also be selected from click chemistry reactive groups such as ketone, azide, alkyne, cyclopropene or diene.
- L 1 ' is preferably a thiol-reactive group
- L 1 ' is further preferably a maleimide group or a substituted maleimide group
- L 1 to L 2 are preferably the following structures:
- the fragment prepared from (N-maleimidomethyl)-carboxylic acid-N-hydroxysuccinimide ester has the structure:
- MBS meta-maleimidobenzoyl-N-hydroxysuccinimide ester
- the fragment prepared from 4-(N-maleimidomethyl)-cyclohexane-1-carboxylic acid succinimidyl ester (SMCC) has the structure:
- L 1' is preferably a thiol reactive group of the following structure:
- Hal is selected from halogen, OMs, OTs, OTf, nitro, and the following groups optionally substituted by one or more R z6 : alkyl thioether, aryl thioether, heteroaryl thioether, alkyl sulfoxide, aryl sulfoxide, heteroaryl sulfoxide, alkyl sulfonyl, aryl sulfonyl, heteroaryl sulfonyl; wherein R z6 is independently selected from H (hydrogen), D (deuterium), halogen, CN, nitro, C 1-6 alkyl, halogenated C 1-6 alkyl, C 1-6 alkoxy, 6-10 membered aryl and 5-12 membered heteroaryl;
- Het is selected from 5-10 membered heteroaryl optionally substituted by one or more R z7 ; wherein R z7 is independently selected from H (hydrogen), D (deuterium), halogen, CN, nitro, C 1-4 alkyl and halogenated C 1-4 alkyl;
- Hal is preferably methanesulfonyl, and Het is preferably pyrimidine;
- Hal-Het- is:
- L 1 '-L 2 preferably has the following structure:
- q is an integer selected from 0 to 10, preferably 1, 2, 3, 4, 5, 6, 7 or 8;
- Rz4 and Rz5 are the same or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- L 2 is selected from the group consisting of absence, C 1-10 alkylene, C 2-10 alkenylene, C 2-10 alkynylene, C 3-10 cycloalkyl, C 6-12 aryl or 6-12 membered heteroaryl or a combination of the above fragments, and is optionally interrupted by carbonyl, O, S, N atoms, and is optionally substituted by C 1-6 alkyl, C 3-6 cycloalkyl, halogen atoms, halogenated C 1-6 alkyl, and optionally the alkyl or halogenated alkyl forms a C 3-6 cycloalkyl with the C atom to which it is attached, and L 2 is connected to L 1 or L 3 fragments through any functional group or covalent bond;
- L2 is linked to the N-terminus of the peptide fragment L3 via -C( Rz4Rz5 )-CO-.
- Rz4 and Rz5 are the same or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- Rz4 and Rz5 are identical or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- L3 is selected from a divalent peptide group comprising 2 to 8 optionally substituted natural amino acid residues or non-natural amino acid residues, each of which is the same or different and is independently selected from the following amino acid residues: alanine (Ala), cysteine (Cys), aspartic acid (Asp), glutamic acid (Glu), phenylalanine (Phe), glycine (Gly), histidine (His), isoleucine (Ile), lysine (Lys), leucine (Leu), methionine (Met), asparagine (Asn), proline (Pro), glutamine (Gln), arginine (Arg), serine (Ser), threonine (Thr), valine (Val), tryptophan (Trp), tyrosine (Tyr), citrulline (Cit), valeric acid (Nva), norleucine (Nle), selenocysteine (Sec), pyrrolysine (
- L3 is selected from a divalent peptide group comprising a combination of 2, 3, 4, 5 or 6 optionally substituted natural or non-natural amino acid residues, each of which is identical or different and is independently selected from the following amino acid residues: alanine (Ala), cysteine (Cys), aspartic acid (Asp), glutamic acid (Glu), phenylalanine (Phe), glycine (Gly), histidine (His), isoleucine (Ile), lysine (Lys), leucine (Leu), methionine (Met), asparagine (Asn), proline (Pro), glutamine (Gln), arginine (Arg), serine (Ser), threonine (Thr), valine (Val), tryptophan (Trp), tyrosine (Tyr), citrulline (Cit), valeric acid (Nva), norleucine (Nle), selenocysteine (Sec), pyrrolysine
- L3 is -GlyGlyPheGly-.
- L 4 is preferably a group with self-cleavage property.
- the self-cleavage group or self-immolative group initiates drug release through an intramolecular reaction such as 1,4-elimination, 1,6-elimination or cyclization elimination without relying on the action of enzymes.
- L 5 is generated by the reaction of any reactive group L 5 'with a biologically active molecule or an intermediate thereof, and L 5 ' is preferably a carboxylic acid group or an active ester group, which reacts with OH, SH or NH or NH 2 in the biologically active molecule to form an L 5 structure of -C(O)O-, -C(O)S-, -C(O)N- or -C(O)NH- (including the O, S, and N atoms in the biologically active molecule);
- L 4 -L 5 are preferably:
- PABC spacer arm, structure
- GABA spacer arm, structure
- L 4 -L 5 is: -NR z1 -C(R z2 R z3 ) -TL- ;
- R z1 is H or C1-4 alkyl
- R z2 and R z3 are the same or different and are independently selected from H or C1-4 alkyl;
- TL is as defined above, and one of L4 to L5 or G is a chemical bond.
- L1 is generated by coupling Tp with a thiol reactive group selected from a maleimide group, a substituted maleimide group or Hal-Het-;
- hydrophilic part is contained between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- L1 is generated by coupling Tp with a thiol reactive group selected from a maleimide group or a substituted maleimide group;
- the following steric hindrance part is contained between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- L1 is generated by coupling Tp with a thiol reactive group selected from Hal-Het-;
- L4 - L5 is: -NRz1 - C ( Rz2Rz3 ) -TL- ;
- R z1 is H or C 1-4 alkyl
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- TL is as defined above; and one of L4 - L5 and G is a chemical bond.
- T L as defined above is a chemical bond
- L 4 -L 5 is: -NR z1 -C(R z2 R z3 )-O-(CH 2 ) m -C(R z4 R z5 )-CO-;
- R z1 is H or C 1-4 alkyl
- n is an integer from 0 to 4.
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- Rz4 and Rz5 are the same or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- the present invention further provides a conjugate with the following structure: Tp—L—D (D)
- Tp is a targeting moiety as defined above;
- D is a biologically active molecular fragment, preferably a molecular fragment having anti-tumor biological activity
- L is selected from the linker represented by formula (L): #L 1 —L 2 —L 3 —L 4 —L 5 * (L)
- L 1 is the linking portion to the targeting portion Tp, formed by the reactive group L 1 ' and the targeting portion Tp, and # represents the linking site to the Tp portion;
- L2 does not exist or is a spacer between L1 and L3 ;
- L 3 is the peptide portion
- L4 is absent or is a spacer between the peptide portion and L5 ;
- L 5 is the linking portion of L 4 and the bioactive molecule D, which is generated by the reaction of the reactive group L 5 ' and the bioactive molecule D or its intermediate, and * represents the linking site with D;
- L1 is generated by coupling Tp with a thiol reactive group selected from a maleimide group or a substituted maleimide group;
- the following steric hindrance part is contained between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- L1 is generated by coupling Tp with a thiol reactive group selected from Hal-Het-;
- L4 - L5 is: -NRz1 - C ( Rz2Rz3 ) -TL- ;
- R z1 is H or C 1-4 alkyl
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- TL is as defined above.
- L1 is generated by coupling Tp with a thiol reactive group selected from a maleimide group or Hal-Het-;
- hydrophilic part is contained between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- L1 is generated by coupling Tp with a thiol reactive group selected from Hal-Het-;
- L 4 -L 5 is: -NR z1 -C(R z2 R z3 )-O-(CH 2 ) m -C(R z4 R z5 )-CO-;
- R z1 is H or C 1-4 alkyl
- n is an integer from 0 to 4.
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- Rz4 and Rz5 are the same or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- L1 - L2 is generated by coupling Tp with the following structural reactive groups:
- q is an integer selected from 0 to 10, preferably 1, 2, 3, 4, 5, 6, 7 or 8;
- R z4 and R z5 are the same or different and are independently selected from H, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkyl, or R z4 or R z5 together form a C 3-6 cycloalkyl, wherein at least one of R z4 or R z5 is not H;
- R z4 or R z5 together form a C 3-6 cycloalkyl group
- L 1 -L 2 are most preferably Coupled Tp generation.
- the present invention also provides an intermediate for the synthesis of the conjugate: L 1 '—L 2 —L 3 —L 4 —L 5 -G
- L 1 ', L 2 , L 3 , L 4 , L 5 and G are as defined above.
- the present invention also provides an intermediate for the synthesis of the conjugate: L 1 '—L 2 —L 3 —L 4 —L 5 -D
- L 1 ', L 2 , L 3 , L 4 , L 5 , and D are as defined above, with the proviso that:
- L 1 ′ is a thiol-reactive group selected from a maleimide group or a substituted maleimide group;
- the following steric hindrance part is contained between L1 and L2 , or between L2 and L3 , or in the form of replacing L2 :
- L 1 ' is a thiol reactive group selected from Hal-Het-;
- L4 - L5 is: -NRz1 - C ( Rz2Rz3 ) -TL- ;
- R z1 is H or C 1-4 alkyl
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- TL is as defined above.
- L 1 '-L 2 is the following structure:
- q is an integer selected from 0 to 10, preferably 1, 2, 3, 4, 5, 6, 7 or 8;
- R z4 and R z5 are the same or different and are independently selected from H, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkyl, or R z4 or R z5 together form a C 3-6 cycloalkyl, wherein at least one of R z4 or R z5 is not H;
- R z4 or R z5 together form a C 3-6 cycloalkyl group
- L 1 '-L 2 is most preferably
- L 1 ' is selected from a maleimide group, a substituted maleimide group or a thiol reactive group of Hal-Het-;
- hydrophilic part is contained between L 1 'and L 2 , or between L 2 and L 3 , or in the form of replacing L 2 :
- L 1 ' is a thiol reactive group selected from Hal-Het-;
- L 4 -L 5 is: -NR z1 -C(R z2 R z3 )-O-(CH 2 ) m -C(R z4 R z5 )-CO-;
- R z1 is H or C 1-4 alkyl
- n is an integer from 0 to 4.
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- Rz4 and Rz5 are the same or different and are independently selected from H, C1-4 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl- C1-4 alkyl or Rz4 or Rz5 together form a C3-6 cycloalkyl.
- the bioactive molecule D may be a compound with biological activity or potential biological activity recorded in the Chinese, American or European Pharmacopoeia or disclosed in other publications.
- the drug may be selected from cytotoxic drugs, cell growth inhibitory drugs or immunosuppressive drugs, for example, anti-tubulin agents, tubulin inhibitors, DNA minor groove binders, DNA replication inhibitors, alkylating agents, antibiotics, antifolates, antimetabolites, chemosensitizers, topoisomerase inhibitors, vinca alkaloids, etc.
- cytotoxic drugs include, for example, auristatins, camptothecins, duocarmycin, etoposide, maytansine and maytansine alkaloids, taxanes, benzodiazepines, Benzodiazepine drugs and vinca alkaloids.
- Tp is a targeting moiety (eg, a small molecule ligand, a protein, a peptide, a non-protein agent such as a sugar, RNA, or DNA).
- a targeting moiety eg, a small molecule ligand, a protein, a peptide, a non-protein agent such as a sugar, RNA, or DNA.
- the target of Tp is selected from epidermal growth factor, Trop-2, CD37, HER2, CD70, EGFRvIII, Mesothelin, Folate receptor1, Mucin 1, CD138, CD20, CD19, CD30, SLTRK6, Nectin 4, Tissue factor, Mucin16, Endothelin receptor, STEAP1, SLC39A6, Guanylylcyclase C, PSMA, CCD79b, CD22, Sodium phosphate cotransporter 2B, GPNMB, Trophoblast glycoprotein, AGS-16, EGFR, CD33, CD66e, CD74, CD56, PD-L1, TACSTD2, DR5, E16, 0772P, MPF, Napi3b, Sema 5b, PSCA hlg, ETBR, MSG783, STEAP2, TrpM4, CRIPTO, CD21, CD79b, FcRH2, NCA, MDP, IL20R ⁇ , Brevican, EphB2R,
- Tp is a small molecule ligand, such as a folic acid derivative, a glutamate urea derivative, a somatostatin derivative, an arylsulfonamide derivative (such as a carbonic anhydrase IX inhibitor), an ICG dye, a cyanine dye or a derivative thereof.
- a small molecule ligand such as a folic acid derivative, a glutamate urea derivative, a somatostatin derivative, an arylsulfonamide derivative (such as a carbonic anhydrase IX inhibitor), an ICG dye, a cyanine dye or a derivative thereof.
- the preferred ligand is selected from an antibody or an antigen-binding fragment thereof, wherein the antibody is selected from a chimeric antibody, a humanized antibody or a fully human antibody; preferably a monoclonal antibody.
- the antibody or its antigen-binding fragment is selected from at least one of the following antibodies or its antigen-binding fragment: anti-CD20 antibody, anti-CD22 antibody, anti-CD30 antibody, anti-CD33 antibody, anti-CD44 antibody, anti-CD56 antibody, anti-CD70 antibody, anti-CD73 antibody, anti-CD105 antibody, anti-CEA antibody, anti-A33 antibody, anti-Cripto antibody, anti-EphA2 antibody, anti-G250 antibody, anti-HER2 (ErbB2) antibody, anti-EGFR antibody, anti-B7-H3 antibody, anti-c-Met antibody, anti-HER3 (ErbB3) antibody, anti-HER4 (ErbB4) antibody, anti-MUCl antibody, anti-Lewis Y antibody, anti-VEGFR antibody, anti-GPNMB antibody, anti-Integrin antibody, anti-PSMA antibody, anti-Tenascin-C antibody, anti-SLC44A4 antibody or anti-Mesothe
- the antibody or antigen-binding fragment thereof is selected from at least one of the following antibodies or antigen-binding fragments: Trastuzumab, Pertuzumab, Nimotuzumab, Enoblituzumab, Emibetuzumab, Inotuzumab, Pinatuzumab, Brentuximab, Gemtuzumab, Bivatuzumab, Lorvotuzumab, cBR96, and Glematumamab or Glembatumumab.
- Trastuzumab has a sequence selected from the group consisting of:
- Pertuzumab has a sequence selected from the group consisting of:
- Nimotuzumab has a sequence selected from the group consisting of:
- the conjugate, its linker or linker-drug may be selected from one of the following, wherein u, v, w are independently selected from integers of 0 to 10 (such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10), G has the definition described above, LG has the definition of Tp described above; R 20 and R 20' are the same or different and are independently selected from H, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkyl, or R 20 and R 20' together with the carbon atom to which they are connected form a C 3-6 cycloalkyl;
- the C 1-4 alkyl group may be independently selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl or tert-butyl;
- the C 3-6 cycloalkyl group may be independently selected from cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl;
- R 20 and R 20' are H, one is not H, or both are not H:
- the conjugate may have a structure as shown in the following formula:
- the conjugate may have a structure as shown in the following formula:
- R 1 , R 2 , R 3 , R 4 , R 7 , R 11 , R 12 , L 1 , L 2 and Tp have the same meanings as described above.
- the conjugate may have a structure as shown in the following formula:
- R 11 , R 12 , L 1 , L 2 and Tp have the same meanings as described above.
- the conjugate may be selected from one of the following:
- R 11 , R 12 , R 16 , and R 16′ have the same meanings as described above;
- R 11 and R 12 are the same or different, and are independently selected from H, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkyl, or R 11 and R 12 together with the carbon atom to which they are attached form a C 3-6 cycloalkyl;
- the C 1-4 alkyl group may be independently selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl or tert-butyl;
- the C 3-6 cycloalkyl group may be independently selected from cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl;
- both of R 11 and R 12 are H, or one is not H, or both are not H;
- mAb stands for monoclonal antibody
- y represents the average number of small molecule drugs attached to each mAb (DAR), which can be selected from an integer or a decimal, such as an integer or a decimal of 1 to 50, an integer or a decimal of 1 to 20, or an integer or a decimal of 1 to 10.
- DAR mAb
- the conjugate may have a structure as shown in the following formula:
- R 11 , R 12 , L 1 , L 2 and Tp have the same meanings as described above.
- the conjugate may be selected from one of the following:
- R 11 , R 12 , R 16 , and R 16′ independently have the definitions given above;
- mAb stands for monoclonal antibody
- y represents the average number of small molecule drugs attached to each mAb (DAR), which can be selected from an integer or a decimal, such as an integer or a decimal of 1 to 50, an integer or a decimal of 1 to 20, or an integer or a decimal of 1 to 10.
- DAR mAb
- the conjugate may have a structure as shown in the following formula:
- R 11 , R 12 , L 1 , L 2 and Tp have the same meanings as described above.
- the conjugate may be selected from one of the following:
- R 11 , R 12 , R 16 , and R 16′ have the same meanings as described above;
- mAb stands for monoclonal antibody
- y represents the average number of small molecule drugs attached to each mAb (DAR), which can be selected from an integer or a decimal, such as an integer or a decimal of 1 to 50, an integer or a decimal of 1 to 20, or an integer or a decimal of 1 to 10.
- DAR mAb
- the examples of the conjugate intermediate linker and drug conjugate can be selected from one of the following:
- the example of the conjugate may be selected from one of the following, wherein:
- y represents the average number of small molecule drugs attached to each monoclonal antibody (DAR), which can be selected from an integer or a decimal, such as an integer or a decimal of 1 to 50, an integer or a decimal of 1 to 20, or an integer or a decimal of 1 to 10:
- DAR monoclonal antibody
- the present invention also provides a method for preparing the conjugate, its stereoisomers, racemates, tautomers, isotopologues, isotope-labeled substances, nitrogen oxides or pharmaceutically acceptable salts, wherein the preparation method comprises the following steps:
- the first step providing a linker as shown in L 1 '—L 2 —L 3 —L 4 —L 5 '(L');
- L 4 -L 5 ' is: -NR z1 -C(R z2 R z3 ) -TL- in the carboxylic acid form or active ester form;
- R z1 is H or C 1-4 alkyl
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- L 4 -L 5 ' is: -NR z1 -C(R z2 R z3 )-O-(CH 2 ) m -C(R z4 R z5 )-CO- in the carboxylic acid form or active ester form;
- R z1 is H or C 1-4 alkyl
- n is an integer from 0 to 4.
- R z2 and R z3 are the same or different and are independently selected from H or C 1-4 alkyl;
- R z4 and R z5 are the same or different and are independently selected from H, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkyl or R z4 or R z5 together form a C 3-6 cycloalkyl;
- Step 2 The linker is coupled with the intermediate compound of formula (G') to obtain a coupling intermediate of L 1 '-L 2 -L 3 -L 4 -L 5 -G(C');
- A, B, TL , R1 , R2 , R3 , R4 , R5 , R6 , L1 ', L1 , L2 , L3 , L4 , L5 , L5 ' are independently as defined above;
- the preparation method further comprises a third step: coupling the coupling intermediate of formula (C') with the targeting moiety Tp;
- the functional group of the reaction substrate may be protected using a protecting group known in the art to allow the reaction to proceed and to remove the protecting group after the reaction is completed.
- the protecting group may be selected from protecting groups known in the art, such as a hydroxy protecting group or an amino protecting group, to allow the reaction to proceed.
- the present disclosure also provides a compound obtained by connecting the above group G to a hydrogen atom, wherein TL of the group G is connected to a hydrogen atom.
- the present disclosure also provides a compound selected from the group consisting of a compound represented by the following formula (GH), a stereoisomer, a racemate, a tautomer, an isotopologue, an isotope-labeled substance, a nitrogen oxide, or a pharmaceutically acceptable salt thereof:
- T is selected from HT L ;
- A is selected from N or CR A ;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- RA and R 1 are the same or different and are independently selected from hydrogen, halogen, hydroxyl, mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : alkyl, cycloalkyl, cycloalkylalkyl, alkyloxy, cycloalkyloxy, alkyloxyalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH—, alkylC( ⁇ O)NH—, cycloalkylC( ⁇ O)NH—, heterocyclylC( ⁇ O)NH—, arylC( ⁇ O)NH—, heteroarylC( ⁇ O)NH—;
- RA , R1 and the atoms to which they are attached together form a 3-10 membered ring structure which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R2 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R3 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R 2 , R 3 together with the atoms to which they are attached form a ring structure which is unsubstituted or substituted by one, two or more RFs , such as a 4-10 membered ring structure; wherein the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R4 is selected from alkyl, alkyloxy, halogen, hydroxy, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R6 is selected from the following groups which are unsubstituted or substituted with one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy, alkyl, alkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, amino;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- each R 9 , R 10 , R 11 , R 12 are the same or different and are independently selected from hydrogen, halogen, cyano, the following groups which are unsubstituted or substituted with one, two or more R I : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- R 9 and R 10 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; alternatively, R 11 and R 12 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; alternatively, R 9 and R 11 together with the atoms to which they are connected form a ring structure which is unsubstituted or substituted by one, two or more R I , such as a 3-10 membered ring structure; wherein any of the ring structures may be a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, or a heterobicyclic hydrocarbon group which is unsubstituted or substituted by one, two or more R I ; for example, any of the ring structures
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- Each m is the same or different and is independently selected from an integer from 0 to 10;
- n is the same or different and is independently selected from an integer from 0 to 10;
- R is selected from alkyl, alkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy or amino which is unsubstituted or substituted with one, two or more R :
- R 1 and R 2 do not form a 5-10 membered ring structure together with the atoms to which they are attached which is unsubstituted or substituted with one, two or more RE , and when R 7 is hydrogen, TL is not a chemical bond;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE
- the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group
- RA is the following groups which are unsubstituted or substituted by one, two or more RC : cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- B is -N(NR 7 R 8 )-;
- R2 , R3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups.
- the groups in formula (GH) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- RA and R 1 are the same or different and are independently selected from hydrogen, halogen, hydroxyl, mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : alkyl, cycloalkyl, cycloalkylalkyl, alkyloxy, cycloalkyloxy, alkyloxyalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH—, alkylC( ⁇ O)NH—, cycloalkylC( ⁇ O)NH—, heterocyclylC( ⁇ O)NH—, arylC( ⁇ O)NH—, heteroarylC( ⁇ O)NH—;
- RA , R1 and the atoms to which they are attached together form a 3-10 membered ring structure which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R2 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R3 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R4 is selected from alkyl, alkyloxy, halogen, hydroxy, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- each R 9 , R 10 , R 11 , R 12 are the same or different and are independently selected from hydrogen, halogen, cyano, the following groups which are unsubstituted or substituted with one, two or more R I : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures may be the following groups which are unsubstituted or substituted by one, two or more R I : a 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, or a heterobicyclic hydrocarbon group;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- n and n are the same or different and are independently selected from integers of 0 to 10;
- the groups in formula (GH) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from hydrogen, hydroxy, unsubstituted or substituted by one, two or more R B : alkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH-, alkylC( ⁇ O)NH-, cycloalkylC( ⁇ O)NH-, heterocyclylC( ⁇ O)NH-, arylC( ⁇ O)NH-, heteroarylC( ⁇ O)NH-;
- RA and R 1 are the same or different and are independently selected from hydrogen, halogen, hydroxy, mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : alkyl, cycloalkyl, cycloalkylalkyl, alkyloxy, cycloalkyloxy, alkyloxyalkyl, heterocyclyl, heterocyclylalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl, NH 2 , HC( ⁇ O)NH—, alkylC( ⁇ O)NH—, cycloalkylC( ⁇ O)NH—, heterocyclylC( ⁇ O)NH—, arylC( ⁇ O)NH—, heteroarylC( ⁇ O)NH—;
- RA , R1 and the atoms to which they are attached together form a 3-10 membered ring structure which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R2 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R3 is selected from hydrogen, halogen, unsubstituted or substituted by one, two or more R E : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R4 is selected from alkyl, alkyloxy, halogen, hydroxy, amino, cyano;
- R5 is selected from hydroxyl
- R6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : cycloalkyl, cycloalkylalkyl, cycloalkyloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- B is selected from absent, -NR 7 - or -N(NR 7 R 8 )-;
- each R 9 , R 10 , R 11 , R 12 are the same or different and are independently selected from hydrogen, halogen, cyano, the following groups which are unsubstituted or substituted with one, two or more R I : alkyl, alkyloxy, cycloalkyl, cycloalkylalkyl, cycloalkyloxy, aryl, arylalkyl, aryloxy, heteroaryl, heteroarylalkyl, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy;
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ;
- R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ;
- R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures can be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted with one, two or more R J : alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl;
- n and n are the same or different and are independently selected from integers of 0 to 10;
- hydrogen, carbon or other atoms in the structural formula are optionally replaced by their isotopes, regardless of whether the group is defined as selected from the above definition or directly drawn in the structural formula, and regardless of whether the group is defined as a substituted group or an unsubstituted group.
- the hydrogen atom on any group in the formula (GH) can be selected from 1 H, 2 H or 3 H.
- any hydrogen atom on the substituent on the unsubstituted or substituted alkyl, alkylene, alkylidene, phenyl, pyridyl or lactone group or its ring-forming atoms (if any) in the compound of formula (GH) can be independently selected from 1 H, 2 H or 3 H.
- the groups in formula (GH) can be independently selected from the following definitions:
- A is selected from N or CR A ;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R
- RA and R 1 are the same or different and are independently selected from 1 H, 2 H, halogen, hydroxyl, mercapto, deuterated hydroxyl, deuterated mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyloxy, C 1-10 alkyloxyC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10
- RA , R1 and the atoms to which they are attached together form a 3-8 membered ring structure, such as a 3, 4, 5, 6, 7 or 8 membered ring structure, which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy, 3-6 membered heterocyclyl, 3-6 membered heterocyclylC 1-6 alkyl, 3-6 membered heterocyclyloxy
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures may be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-,
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- Each of RB , RC, RD , RE , RF , RG , RH , RI , and RJ is the same or different and is independently selected from deuterated, halogen, hydroxy, cyano, nitro, the following groups which are unsubstituted or substituted by one, two or more R K : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy, NH 2 , HC( ⁇ O)NH—, C 1
- A is selected from N or CR A ;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R
- RA and R 1 are the same or different and are independently selected from 1 H, 2 H, halogen, hydroxyl, mercapto, deuterated hydroxyl, deuterated mercapto, cyano, nitro, the following groups which are unsubstituted or substituted with one, two or more RC : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyloxy, C 1-10 alkyloxyC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10
- RA , R1 and the atoms to which they are attached together form a 3-8 membered ring structure, such as a 3, 4, 5, 6, 7 or 8 membered ring structure, which is unsubstituted or substituted with one, two or more RD ;
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 1-10 alkyl, C 1-10 alkyloxy, C 6-10 aryl, C 6-10 arylalkyl, C 6-10 aryloxy, 5-6 membered heteroaryl, 5-6 membered heteroarylalkyl, 5-6 membered heteroaryloxy;
- B is selected from absent, triazolyl, -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 11 and R 12 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; or, R 9 and R 11 together with the atoms to which they are connected form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; wherein any of the 3-10 membered ring structures can be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- the groups in formula (GH) can be independently selected from the following definitions:
- A is selected from N;
- R 1 is selected from 1 H, 2 H, hydroxyl, deuterated hydroxyl, the following groups which are unsubstituted or substituted by one, two or more R B : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl or 5-10 membered heteroarylC 1-10 alkyl, NH 2 , HC( ⁇ O)NH—, C 1-10 alkylC( ⁇ O)NH—, C 3-10 cycloalkylC( ⁇ O)NH—, 3-10 membered heterocyclylC( ⁇ O)NH—, C 6-10 arylC( ⁇ O)NH—, 5-10 membered heteroarylC( ⁇ O)NH—; preferably, when A is N, R 1 is selected from
- z is selected from 0 or 1;
- R 2 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 2 is selected from 1 H, 2 H, hydrogen, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy;
- R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy; preferably, R 3 is selected from 1 H, 2 H, halogen, unsubstituted or substituted by one, two or more RE : C 1-6 alkyl, C 1-6 alkyloxy, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-10 alkyl, C 3-6 cycloalkyloxy;
- R 1 , R 2 together with the atoms to which they are attached form a 5-10 membered ring structure which is unsubstituted or substituted by one, two or more RE , and the 5-10 membered ring structure can be selected from, for example, a 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 2 , R 3 together with the atoms to which they are attached form a 4-10 membered ring structure which is unsubstituted or substituted with one, two or more RFs , and the 4-10 membered ring structure can be selected from, for example, a 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group;
- R 4 is selected from C 1-10 alkyl, C 1-10 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano; preferably, R 4 is selected from C 1-6 alkyl, C 1-6 alkyloxy, halogen, hydroxyl, mercapto, amino, cyano;
- R5 is selected from hydroxyl
- R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, R 6 is selected from the following groups which are unsubstituted or substituted by one, two or more R G : C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 3-6 cycloalkyloxy, 3-6 membered heterocyclyl, 3-6 membered heterocyclylC 1-6 alkyl, 3-6 membered heterocyclyloxy;
- B is selected from -NR 7 - or -N(NR 7 R 8 )-;
- R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen, cyano, and the following groups which are unsubstituted or substituted by one, two or more R I : C 1-10 alkyl, C 1-10 alkyloxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 3-10 cycloalkyloxy, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, C 6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl, 3-10 membered heterocyclyloxy; preferably, each of R 9 , R 10 , R 11 , and R 12 is the same or different and is independently selected from 1 H, 2 H, halogen
- R 9 and R 10 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 11 and R 12 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; alternatively, R 9 and R 11 together with the atoms to which they are attached form a 3-10 membered ring structure which is unsubstituted or substituted by one, two or more R I ; any of the 3-10 membered ring structures may be, for example, the following groups which are unsubstituted or substituted by one, two or more R I : 3-, 4-, 5-, 6-, 7-, 8-, 9- or 10-membered monocyclic hydrocarbon groups, bicyclic hydrocarbon groups, heteromonocyclic hydrocarbon groups, heterobicyclic hydrocarbon groups;
- Each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-10 alkyl, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-10 alkyl, C 6-10 aryl, C 6-10 arylC 1-10 alkyl, 5-10 membered heteroaryl, 5-10 membered heteroarylC 1-10 alkyl, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC 1-10 alkyl; preferably, each R 13 is the same or different and is independently selected from the following groups which are unsubstituted or substituted by one, two or more R J : C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 6-10 aryl, C 6-10 arylC 1-6 alkyl, 5-6 membered heteroaryl, 5-6 membered heteroarylC 1-6 al
- n and n are the same or different and are independently selected from integers of 0 to 10, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
- Each of RB , RC, RD , RE , RF , RG , RH , RI , and RJ is the same or different and is independently selected from the group consisting of deuterated, halogen, hydroxy, cyano , nitro, and the following groups which are unsubstituted or substituted with one, two or more RK : C1-10 alkyl, C1-10 alkyloxy , C3-10 cycloalkyl, C3-10 cycloalkylC1-10 alkyl, C3-10 cycloalkyloxy, C6-10 aryl, C6-10 arylC1-10 alkyl, C6-10 aryloxy, 5-10 membered heteroaryl, 5-10 membered heteroarylC1-10 alkyl, 5-10 membered heteroaryloxy, 3-10 membered heterocyclyl, 3-10 membered heterocyclylC1-10 alkyl, 3-10 membered heterocyclyloxy, NH2 , HC(
- R 1 , R 2 together with the quinolyl group to which they are attached form one of the following substructures, wherein the substructure may be unsubstituted or substituted with one, two or more RE :
- R 2 , R 3 together with the quinolyl group to which they are attached form one of the following substructures, wherein the substructure may be unsubstituted or substituted with one, two or more RFs :
- B is selected from the group consisting of: -NH- or -N(NR 7 R 8 )-, wherein R 7 and R 8 are independently defined as above.
- the compound represented by formula (GH) may be selected from the compounds represented by the following formula (GH-1):
- RA , B, T, R1 , R2 , R3 and R6 are independently as defined above.
- the compound represented by formula (GH) may be selected from the compounds represented by the following formula (GH-2) or (GH-3):
- RA , B, T, R1 , R2 , R3 and R6 are independently as defined above.
- the compound represented by formula (GH) can be selected from the following compounds:
- the present disclosure also provides a method for preparing a compound represented by formula (GH), a stereoisomer, a racemate, a tautomer, an isotopologue, an isotope-labeled substance, a nitrogen oxide or a pharmaceutically acceptable salt thereof, the method comprising the step of reacting a compound represented by formula (i) with a compound represented by formula (ii):
- A, B, T, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and z independently have the definitions given above;
- LE represents the group that is removed or leaves after the reaction.
- the present invention also provides a method for preparing a compound of formula (ii), comprising the step of reacting a compound of formula (iii) with a compound of formula (iv) to obtain a compound of formula (v):
- A, B, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and z independently have the definitions given above;
- R21 is selected from H or a protecting group.
- the compound of formula (v) is the compound of formula (ii).
- R 21 when R 21 is selected from a protecting group, after obtaining the compound of formula (v), the compound of formula (v) can be reacted under conditions of removing the protecting group to obtain the compound of formula (ii).
- the protecting group is selected from amino protecting groups.
- the type of protecting group (such as amino protecting group) and the conditions for removing the protecting group can be selected from the types or conditions known to those skilled in the art.
- R 5 , R 6 and z independently have the definitions given above.
- A, B, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 21 and z independently have the meanings described above.
- the present disclosure also provides a pharmaceutical composition, comprising at least one selected from the following: the compound represented by the formula (GH), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts, and the conjugate represented by the formula (C), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts.
- GH the compound represented by the formula (GH), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts
- C conjugate represented by the formula (C)
- the compound represented by formula (GH), its stereoisomer, racemate, tautomer, isotopologue, isotope label, nitrogen oxide or pharmaceutically acceptable salt, and the conjugate represented by formula (C), its stereoisomer, racemate, tautomer, isotopologue, isotope label, nitrogen oxide or pharmaceutically acceptable salt in the pharmaceutical composition are present in a therapeutically effective amount.
- the pharmaceutical composition comprises a therapeutically effective amount of at least one selected from the following: the compound represented by the formula (GH), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts, the conjugate represented by the formula (C), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts.
- the present disclosure also provides the use of the compound represented by formula (GH), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts, or the conjugate represented by formula (C), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts for preventing and/or treating diseases or conditions and/or preparing drugs.
- GH compound represented by formula (GH)
- C conjugate represented by formula (C)
- the medicament is used for preventing and/or treating a disease or disorder.
- the present disclosure also provides a method for preventing and/or treating a disease or condition, the method comprising administering to a patient a therapeutically effective amount of at least one of the following: the compound represented by the formula (GH), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts, the conjugate represented by the formula (C), its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts.
- the compound represented by the formula (GH) its stereoisomers, racemates, tautomers, isotopologues, isotope labels, nitrogen oxides or pharmaceutically acceptable salts
- C conjugate represented by the formula (C)
- the disease or disorder may be selected from a tumor, such as a solid tumor or a hematological cancer.
- the solid tumor examples include malignancies of various organ systems, e.g., sarcomas, adenocarcinomas, blastomas, and carcinomas, such as those affecting the liver, lungs, breasts, lymph nodes, gallbladders (e.g., colon), genitourinary tract (e.g., kidneys, urothelial cells), prostates, and pharyngeals.
- Adenocarcinomas include malignancies such as most colon cancers, rectal cancers, renal cell carcinomas, liver cancers, small cell lung cancers, non-small cell lung cancers, small intestinal cancers, and esophageal cancers.
- the cancer is a melanoma, e.g., an advanced melanoma.
- other cancers that may be treated include: bone cancer, pancreatic cancer, skin cancer, head and neck cancer, malignant melanoma of the skin or in the eye, uterine cancer, ovarian cancer, rectal cancer, colorectal cancer, cancer of the anal region, cancer of the peritoneum, stomach cancer, esophageal cancer, salivary gland cancer, testicular cancer, fallopian tube cancer, endometrial cancer, cervical cancer, vaginal cancer, vulvar cancer, penile cancer, malignant glioma, neuroblastoma, Hodgkin's disease, non-Hodgkin's lymphoma, esophageal cancer, small intestine cancer, cancer of the endocrine system, thyroid cancer, parathyroid cancer, adrenal cancer, soft tissue sarcoma, urethral cancer, chronic or acute leukemia (including acute myeloid leukemia,
- the example of described hematological cancer includes leukemia, lymphoma and malignant lymphoproliferative disorders that affect blood, bone marrow and lymphatic system.
- Leukemia can be classified as acute leukemia and chronic leukemia.Acute leukemia can be further classified as acute myeloid leukemia (AML) and acute lymphocytic leukemia (ALL).
- AML acute myeloid leukemia
- ALL acute lymphocytic leukemia
- Chronic leukemia includes chronic myeloid leukemia (CML) and chronic lymphocytic leukemia (CLL).
- MDS myelodysplastic syndrome
- preleukemia preleukemia
- Lymphoma is a group of blood cell tumors developed from lymphocytes.Exemplary lymphoma includes non-Hodgkin's lymphoma and Hodgkin's lymphoma.
- the pharmaceutical composition may further include a pharmaceutically acceptable excipient, such as a carrier or an excipient.
- a pharmaceutically acceptable excipient is preferably chemically non-reactive or inert to the active ingredient.
- the pharmaceutically acceptable excipient is selected from at least one of the following excipients, including but not limited to: a filler, a disintegrant, a binder, a lubricant, a surfactant, a flavoring agent, a wetting agent, a matrix, etc.
- the administration route of the pharmaceutical composition includes but is not limited to gastrointestinal administration or parenteral administration; wherein the gastrointestinal administration may be oral administration; the parenteral administration may be topical administration, transdermal administration, injection administration, etc.
- the administration route of the pharmaceutical composition can be a combination of topical administration and oral administration.
- the dosage form of the pharmaceutical composition can be selected from capsules, tablets, patches, films, pills, powders, lozenges, sachets, cachets, elixirs, suspensions, emulsions, solutions, syrups, aerosols, ointments, creams, suppositories or injections.
- the numerical ranges recorded in this specification and claims are equivalent to recording at least each specific integer value therein.
- the numerical range “1-10” is equivalent to recording each integer value in the numerical range “1-10", namely 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
- “more” should refer to integers ⁇ 3, such as 3, 4, 5, 6, 7, 8, 9 or 10.
- certain numerical ranges are defined as "numbers", it should be understood that the two endpoints of the range, each integer in the range, and each decimal in the range are recorded.
- a number of 0 to 10 should be understood as not only recording each integer of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, but also at least recording the sum of each integer therein and 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, respectively.
- an integer or decimal from 1 to 50 should be understood to record the two endpoints of the above numerical range, as well as each integer within each range and each decimal within the range.
- isotopologue includes replacing atoms in the compounds or conjugates of the present invention with other isotopes having the same atomic number but different atomic mass or mass number.
- the "hydrogen” in the compounds or conjugates of the present invention can be selected from protium ( 1H ), deuterium ( 2H ) and tritium ( 3H ); "carbon” can be selected from 12C , 13C and 14C . Therefore, the compounds or conjugates of the present invention should at least be understood as compounds or conjugates comprising various deuterated forms.
- one, two or more of the available hydrogen atoms e.g., hydrogen atoms of a C1-10 alkyl group
- deuterium atoms e.g., hydrogen atoms of a C1-10 alkyl group
- Those skilled in the art can synthesize deuterated forms of compounds or conjugates with reference to relevant literature.
- commercially available deuterated starting materials can be used, or deuterated reagents can be used for synthesis using conventional techniques.
- Optional deuterated reagents include, but are not limited to, deuterated borane, trideuterated borane tetrahydrofuran solution, deuterated lithium aluminum hydride, deuterated iodoethane and deuterated iodomethane.
- halogen refers to fluorine, chlorine, bromine and iodine.
- alkyl is understood to preferably mean a linear or branched saturated monovalent hydrocarbon group, preferably a "C 1-10 alkyl group”.
- C 1-10 alkyl is understood to preferably mean a linear or branched saturated monovalent hydrocarbon group having 1 to 10 carbon atoms.
- C 1-6 alkyl means a linear and branched alkyl group having 1, 2, 3, 4, 5 or 6 carbon atoms.
- the alkyl group is, for example, methyl, ethyl, propyl, butyl, pentyl, hexyl, isopropyl, isobutyl, sec-butyl, tert-butyl, isopentyl, 2-methylbutyl, 1-methylbutyl, 1-ethylpropyl, 1,2-dimethylpropyl, neopentyl, 1,1-dimethylpropyl, 4-methylpentyl, 3-methylpentyl, 2-methylpentyl, 1-methylpentyl, 2-ethylbutyl, 1-ethylbutyl, 3,3-dimethylbutyl, 2,2-dimethylbutyl, 1,1-dimethylbutyl, 2,3-dimethylbutyl, 1,3-dimethylbutyl or 1,2-dimethylbutyl, or the like or isomers thereof.
- cycloalkyl is understood to mean a saturated monovalent monocyclic hydrocarbon group or a bicyclic (condensed, bridged or spiro) hydrocarbon group, preferably a "C 3-10 cycloalkyl group".
- C 3-10 cycloalkyl is understood to mean a saturated monovalent monocyclic, bicyclic (condensed, bridged or spiro) hydrocarbon group having 3 to 10 carbon atoms, such as 3, 4, 5, 6, 7, 8, 9 or 10 carbon atoms.
- the C 3-10 cycloalkyl group may be a monocyclic hydrocarbon group, such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl or cyclodecyl, or a bicyclic hydrocarbon group such as a decalin ring.
- ring structure should be understood to mean a group having a monocyclic, bicyclic (condensed, bridged or spiro) or more ring structure, such as a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a tricyclic hydrocarbon group, a heteromonocyclic hydrocarbon group, a heterobicyclic hydrocarbon group, a heterotricyclic hydrocarbon group, etc.; the ring structure may be saturated or unsaturated.
- the heteromonocyclic hydrocarbon group, heterobicyclic hydrocarbon group, heterotricyclic hydrocarbon group may contain 1-10, preferably 1-5 heteroatoms independently selected from N, O and S, such as 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 heteroatoms independently selected from N, O and S.
- the bicyclic ring may be the following ring structure containing no heteroatoms or containing 1, 2, or 3 heteroatoms independently selected from N, O, and S: one or two of aryl, heteroaryl, cycloalkyl, heterocyclyl, spiro[2.5] ring, spiro[3.3] ring, spiro[4.2] ring, spiro[4.3] ring, spiro[5.2] ring, spiro[5.4] ring, bicyclo[2.1.1], bicyclo[2.2.1], bicyclo[2.2.2], bicyclo[3.2.1], bicyclo[4.1.0], etc.
- the ring structure may have 1, 2, 3, 4, or 5 double bonds, such as carbon-carbon double bonds or carbon-nitrogen double bonds.
- 3-10 membered ring structure is understood to mean a group having a monocyclic or bicyclic (condensed, bridged or spiro) structure with 3, 4, 5, 6, 7, 8, 9 or 10 ring atoms, such as a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group or a heterobicyclic hydrocarbon group; the ring structure may be saturated or unsaturated.
- the heteromonocyclic hydrocarbon group or heterobicyclic hydrocarbon group may contain 1-5, preferably 1-3 heteroatoms independently selected from N, O and S, such as 1, 2, 3 heteroatoms independently selected from N, O and S.
- the bicyclic ring may be the following ring structure containing no heteroatoms or containing 1, 2, or 3 heteroatoms independently selected from N, O, and S: one or two of aryl, heteroaryl, cycloalkyl, heterocyclyl, spiro[2.5] ring, spiro[3.3] ring, spiro[4.2] ring, spiro[4.3] ring, spiro[5.2] ring, spiro[5.4] ring, bicyclo[2.1.1], bicyclo[2.2.1], bicyclo[2.2.2], bicyclo[3.2.1], bicyclo[4.1.0], etc.
- the ring structure may have 1, 2, 3, 4, or 5 double bonds, such as carbon-carbon double bonds or carbon-nitrogen double bonds.
- the term "4-10 membered ring structure” is understood to mean a group having a monocyclic or bicyclic (condensed, bridged or spiro) structure with 4, 5, 6, 7, 8, 9 or 10 ring atoms, such as a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group or a heterobicyclic hydrocarbon group; the ring structure may be saturated or unsaturated.
- the heteromonocyclic hydrocarbon group or heterobicyclic hydrocarbon group may contain 1-5, preferably 1-3 heteroatoms independently selected from N, O and S, such as 1, 2, 3 heteroatoms independently selected from N, O and S.
- the bicyclic ring may be the following ring structure containing no heteroatoms or containing 1, 2, or 3 heteroatoms independently selected from N, O, and S: one or two of aryl, heteroaryl, cycloalkyl, heterocyclyl, spiro[2.5] ring, spiro[3.3] ring, spiro[4.2] ring, spiro[4.3] ring, spiro[5.2] ring, spiro[5.4] ring, bicyclo[2.1.1], bicyclo[2.2.1], bicyclo[2.2.2], bicyclo[3.2.1], bicyclo[4.1.0], etc.
- the ring structure may have 1, 2, 3, 4, or 5 double bonds, such as carbon-carbon double bonds or carbon-nitrogen double bonds.
- 5-10 membered ring structure is understood to mean a group having a monocyclic or bicyclic (condensed, bridged or spiro) structure of 5, 6, 7, 8, 9 or 10 ring atoms, such as a monocyclic hydrocarbon group, a bicyclic hydrocarbon group, a heteromonocyclic hydrocarbon group or a heterobicyclic hydrocarbon group; the ring structure may be saturated or unsaturated.
- the heteromonocyclic hydrocarbon group or heterobicyclic hydrocarbon group may contain 1-5, preferably 1-3 heteroatoms independently selected from N, O and S, such as 1, 2, 3 heteroatoms independently selected from N, O and S.
- the bicyclic ring may be the following ring structures containing no heteroatoms or containing 1, 2, or 3 heteroatoms independently selected from N, O, and S: one or two of aryl, heteroaryl, cycloalkyl, heterocyclyl, independently or fused to each other, spiro[2.5] ring, spiro[3.3] ring, spiro[4.2] ring, spiro[4.3] ring, spiro[5.2] ring, spiro[5.4] ring, bicyclo[2.1.1], bicyclo[2.2.1], bicyclo[2.2.2], bicyclo[3.2.1], bicyclo[4.1.0], etc.
- the “4- to 10-membered ring structure” and the “5- to 10-membered ring structure” may have 1, 2, 3, 4 or 5 double bonds, such as a carbon-carbon double bond or a carbon-nitrogen double bond.
- the ring structure formed by the group preferably retains the unsaturated bond in the original ring structure.
- heterocyclic group means a saturated or unsaturated monovalent monocyclic, bicyclic (condensed, bridged or spirocyclic) hydrocarbon group, which contains 1-5 heteroatoms independently selected from N, O and S, but does not have aromaticity.
- the "heterocyclic group” is preferably a "3-20 membered heterocyclic group”.
- 3-20 membered heterocyclic group means a saturated monovalent monocyclic, bicyclic (condensed, bridged or spirocyclic) hydrocarbon group, which contains 1-5 heteroatoms independently selected from N, O and S, and the total number of ring atoms is 3-20 (such as 3, 4, 5, 6, 7, 8, 9, 10, etc.), and the non-aromatic cyclic group is preferably a "3-10 membered heterocyclic group".
- heterocyclyl means a saturated or unsaturated monovalent monocyclic, bicyclic (fused, bridged or spiro) hydrocarbon group containing 1-5, preferably 1-3 heteroatoms independently selected from N, O and S, such as 1, 2, 3 heteroatoms independently selected from N, O and S, but not aromatic.
- the heterocyclyl may be connected to the rest of the molecule through any one of the carbon atoms or the nitrogen atom (if present).
- the heterocyclyl may include, but is not limited to, a 4-membered ring, such as azetidinyl, oxetanyl (such as azetidin-1-yl); a 5-membered ring, such as tetrahydrofuranyl, dioxolyl, pyrrolidinyl, imidazolidinyl, pyrazolidinyl, pyrrolinyl; or a 6-membered ring, such as tetrahydropyranyl, piperidinyl, morpholinyl, dithianyl, thiomorpholinyl, piperazinyl or trithianyl; or a 7-membered ring, such as diazepanyl.
- a 4-membered ring such as azetidinyl, oxetanyl (such as azetidin-1-yl); a 5-membered ring, such as tetrahydrofuranyl
- the heterocyclic group may be benzo-fused.
- the heterocyclic group may be bicyclic, such as but not limited to a 5,5-membered ring, such as a hexahydrocyclopenta[c]pyrrole-2(1H)-yl ring, or a 5,6-membered bicyclic ring, such as a hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl ring.
- the ring containing nitrogen atoms may be partially unsaturated, i.e., it may contain one or more double bonds, such as but not limited to 2,5-dihydro-1H-pyrrolyl, 4H-[1,3,4]thiadiazinyl, 4,5-dihydrooxazolyl or 4H-[1,4]thiazinyl, or it may be benzo-fused, such as but not limited to dihydroisoquinolinyl.
- the heterocyclic group is non-aromatic.
- the carbon atoms on the 3-20-membered heterocyclic group may be connected to other groups, or the heterocyclic atoms on the 3-20-membered heterocyclic group may be connected to other groups.
- the 3-20 membered heterocyclic group is selected from piperazinyl
- the nitrogen atom on the piperazinyl group may be connected to other groups.
- the 3-20 membered heterocyclic group is selected from piperidinyl
- the nitrogen atom on the piperidinyl ring and the carbon atom at the para position thereof may be connected to other groups.
- aryl is understood to mean a monovalent aromatic or partially aromatic monocyclic, bicyclic or tricyclic hydrocarbon ring group, preferably a "C 6-20 aryl".
- C 6-20 aryl is understood to mean preferably a monovalent aromatic or partially aromatic monocyclic, bicyclic or tricyclic hydrocarbon ring having 6 to 20 carbon atoms, preferably a "C 6-14 aryl”.
- C 6-14 aryl is to be understood as preferably meaning a monovalent aromatic or partially aromatic monocyclic, bicyclic or tricyclic hydrocarbon ring (“C 6-14 aryl") having 6, 7, 8, 9, 10, 11, 12, 13 or 14 carbon atoms, in particular a ring having 6 carbon atoms (“C 6 aryl”), such as phenyl; or biphenyl, or a ring having 9 carbon atoms (“C 9 aryl”), such as indanyl or indenyl, or a ring having 10 carbon atoms (“C 10 aryl”), such as tetrahydronaphthyl, dihydronaphthyl or naphthyl, or a ring having 13 carbon atoms (“C 13 aryl”), such as fluorenyl, or a ring having 14 carbon atoms (“C 14 aryl”), such as anthracenyl.
- C 6-20 aryl When the C 6-20 aryl is substituted, it may be mono
- heteroaryl is to be understood as a monovalent monocyclic, bicyclic or tricyclic aromatic ring system radical containing 1 to 5 heteroatoms independently selected from N, O and S, preferably a "5-20 membered heteroaryl".
- heteroaryl is to be understood as including such monovalent monocyclic, bicyclic or tricyclic aromatic ring system radicals: which have 5 to 20 ring atoms and contain 1 to 5 heteroatoms independently selected from N, O and S, for example "5-14 membered heteroaryl”.
- 5-14 membered heteroaryl is to be understood as including such monovalent monocyclic, bicyclic or tricyclic aromatic ring system radicals: which have 5, 6, 7, 8, 9, 10, 11, 12, 13 or 14 ring atoms, in particular 5 or 6 or 9 or 10 carbon atoms, and which contain 1 to 5, preferably 1 to 3 heteroatoms each independently selected from N, O and S and, in addition, in each case may be benzo-fused.
- the heteroaryl group is selected from thienyl, furanyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, oxadiazolyl, triazolyl, thiadiazolyl, thia-4H-pyrazolyl and the like and benzo derivatives thereof, such as benzofuranyl, benzothienyl, benzoxazolyl, benzisoxazolyl, benzimidazolyl, benzotriazolyl, indazolyl, indolyl, isoindolyl and the like; or pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazinyl and the like and benzo derivatives thereof, such as quinolyl, quinazolinyl, isoquinolyl and the like; or azinyl, indoli
- the carbon atom on the 5-20 membered heteroaryl ring may be connected to other groups, or the heteroatom on the 5-20 membered heteroaryl ring may be connected to other groups.
- the 5-20 membered heteroaryl is substituted, it may be monosubstituted or polysubstituted.
- the substitution site for example, the hydrogen connected to the carbon atom on the heteroaryl ring may be substituted, or the hydrogen connected to the heteroatom on the heteroaryl ring may be substituted.
- heterocyclic groups, heteroaryls or heteroarylene groups include all possible isomeric forms thereof, such as positional isomers thereof.
- pyridin-2-yl may include pyridin-2-yl, pyridin-2-ylene, pyridin-3-yl, pyridin-3-ylene, pyridin-4-ylene and pyridin-4-ylene;
- thienyl or thienylene groups include thien-2-yl, thien-2-ylene, thien-3-ylene and thien-3-ylene; pyrazol-1-yl, pyrazol-3-yl, pyrazol-4-yl, pyrazol-5-yl.
- the definitions of the terms herein also apply to the groups containing the terms, for example, the definition of alkyl also applies to the alkyl in alkyloxy or cycloalkylalkyl; the definition of cycloalkyl also applies to the cycloalkyl in cycloalkyloxy or cycloalkylalkyl; for another example, the definition of C1-10 alkyl also applies to the C1-10 alkyl in C1-10 alkyloxy or C3-10cycloalkylC1-10alkyl ; the definition of C3-10cycloalkyl also applies to the C3-10cycloalkyl in C3-10cycloalkyloxy or C3-10cycloalkylC1-10alkyl .
- the compounds of the present disclosure may exist in the form of various pharmaceutically acceptable salts. If these compounds have a basic center, they may form acid addition salts; if these compounds have an acidic center, they may form a base addition salt; if these compounds contain both an acidic center (e.g., a carboxyl group) and a basic center (e.g., an amino group), they may also form an inner salt.
- an acidic center e.g., a carboxyl group
- a basic center e.g., an amino group
- the compounds of the present disclosure may exist in the form of solvates (such as hydrates), wherein the compounds of the present disclosure contain a polar solvent as a structural element of the crystal lattice of the compound, in particular water, methanol or ethanol.
- a polar solvent as a structural element of the crystal lattice of the compound, in particular water, methanol or ethanol.
- the amount of the polar solvent, in particular water, may be present in a stoichiometric or non-stoichiometric ratio.
- the compounds or groups of the present disclosure may be chiral or have chiral carbon atoms, and therefore various enantiomeric forms may exist.
- these compounds or groups may exist in racemic form or optically active form.
- the group A in the general formula (G), (G') or (GH) is CR A , and the groups to which the carbon atom is attached are not the same, the carbon atom is a chiral carbon atom, which may have a chiral configuration of R or S.
- the compounds of the present disclosure or their intermediates can be separated into enantiomeric compounds by chemical or physical methods known to those skilled in the art, or used in this form for synthesis.
- diastereomers can be prepared from the mixture by reaction with an optically active resolution agent.
- suitable resolution agents are optically active acids, such as R and S forms of tartaric acid, diacetyltartaric acid, dibenzoyltartaric acid, mandelic acid, malic acid, lactic acid, suitable N-protected amino acids (e.g., N-benzoylproline or N-phenylsulfonylproline) or various optically active camphorsulfonic acids.
- Chromatographic enantiomer resolution can also be advantageously performed with the aid of optically active resolving agents such as dinitrobenzoylphenylglycine, cellulose triacetate or other carbohydrate derivatives or chiral derivatized methacrylate polymers immobilized on silica gel.
- optically active resolving agents such as dinitrobenzoylphenylglycine, cellulose triacetate or other carbohydrate derivatives or chiral derivatized methacrylate polymers immobilized on silica gel.
- Suitable eluents for this purpose are aqueous or alcoholic solvent mixtures, for example, hexane/isopropanol/acetonitrile.
- tautomer refers to functional group isomers resulting from the rapid movement of an atom in two positions in a molecule.
- the compounds of the present disclosure may exhibit tautomerism.
- Tautomeric compounds may exist in two or more interconvertible species.
- Prototropic tautomers arise from the migration of a covalently bonded hydrogen atom between two atoms.
- Tautomers generally exist in equilibrium, and attempts to separate a single tautomer usually produce a mixture whose physicochemical properties are consistent with the mixture of compounds. The position of equilibrium depends on the chemical characteristics within the molecule.
- the keto form predominates; while in phenols, the enol form predominates.
- the present disclosure encompasses all tautomeric forms of the compounds.
- the corresponding stable isomers can be separated according to known methods, for example by extraction, filtration or column chromatography.
- patient refers to any animal including mammals, preferably mice, rats, other rodents, rabbits, dogs, cats, pigs, cows, sheep, horses or primates, and most preferably humans.
- the phrase "therapeutically effective amount” refers to the amount of an active compound or drug that elicits the biological or medical response that a researcher, veterinarian, physician or other clinician is seeking in a tissue, system, animal, individual or human, and includes one or more of the following: (1) Preventing disease: e.g., preventing a disease, disorder or condition in an individual who is susceptible to the disease, disorder or condition but does not yet experience or develop the pathology or symptoms of the disease. (2) Inhibiting disease: e.g., inhibiting a disease, disorder or condition (i.e., preventing further development of the pathology and/or symptoms) in an individual who is experiencing or developing the pathology or symptoms of the disease, disorder or condition. (3) Alleviating disease: e.g., alleviating a disease, disorder or condition (i.e., reversing the pathology and/or symptoms) in an individual who is experiencing or developing the pathology or symptoms of the disease, disorder or condition.
- Preventing disease e.g., preventing a disease, disorder
- ligand is a macromolecular compound that can recognize and bind to an antigen or receptor associated with a target cell.
- the role of a ligand is to present the drug to a target cell population that binds to the ligand.
- ligands include, but are not limited to, protein hormones, lectins, growth factors, antibodies, or other molecules that can bind to cells.
- the ligand is represented by LG, and the ligand can form a connecting bond with a connecting unit through a heteroatom on the ligand, preferably an antibody or an antigen-binding fragment thereof, wherein the antibody is selected from a chimeric antibody, a humanized antibody, a fully human antibody, or a mouse antibody; preferably a monoclonal antibody.
- the term "drug” refers to any compound having a desired biological activity and a reactive functional group that can be used to incorporate the drug into the conjugate of the present disclosure.
- the desired biological activity includes diagnosing, curing, alleviating, treating, or preventing a disease in a human or other animal.
- the reactive functional group forms a bond with the functional group L 4 or L 5.
- the drug has a nitrogen atom or a hydroxyl group that can form a bond with the functional group L 4 or L 5 .
- antibody refers to an immunoglobulin, which includes a tetrapeptide chain structure formed by two identical heavy chains and two identical light chains connected by interchain disulfide bonds (also known as “monoantibody” or “monoepitope antibody”), or a tetrapeptide chain structure formed by two different heavy chains and two different light chains connected by interchain disulfide bonds (also known as “double antibody” or “double epitope antibody”).
- the amino acid composition and arrangement order of the constant region of the immunoglobulin heavy chain are different, so their antigenicity is also different.
- immunoglobulins can be divided into five categories, or called immunoglobulin isotypes, namely IgM, IgD, IgG, IgA and IgE, and their corresponding heavy chains are ⁇ chain, ⁇ chain, ⁇ chain, and ⁇ chain, respectively.
- the same type of Ig can be divided into different subclasses according to the difference in the amino acid composition of its hinge region and the number and position of the heavy chain disulfide bonds, such as IgG can be divided into IgG1, IgG2, IgG3, and IgG4.
- Light chains are divided into ⁇ chains or ⁇ chains according to the differences in the constant region.
- Each of the five types of Ig can have a ⁇ chain or a ⁇ chain.
- the antibodies described in the present disclosure are preferably specific antibodies against cell surface antigens on target cells, and non-limiting examples are the following antibodies: anti-HER2 (ErbB2) antibody, anti-EGFR antibody, anti-B7-H3 antibody, anti-c-Met antibody, anti-HER3 (ErbB3) antibody, anti-HER4 (ErbB4) antibody, anti-CD20 antibody, anti-CD22 antibody, anti-CD30 antibody, anti-CD33 antibody, anti-CD44 antibody, anti-CD56 antibody, anti-CD70 antibody, anti-CD73 antibody, anti-CD105 antibody, anti-CEA antibody, anti-A33 antibody, anti-Cripto antibody, anti-EphA2 antibody, anti-G250 antibody, anti-MUCl antibody, anti-Lewis Y antibody, anti-VEGFR antibody, anti-GPNMB antibody, anti-Integrin antibody, anti-PS One or more of MA antibody, anti-Tenascin-C antibody, anti-SLC44A4 antibody or anti-Mesothelin antibody
- variable region The sequences of about 110 amino acids near the N-terminus of the antibody heavy and light chains vary greatly, which is the variable region (Fv region); the remaining amino acid sequences near the C-terminus are relatively stable, which is the constant region.
- the variable region includes three hypervariable regions (HVRs) and four relatively conserved framework regions (FRs).
- the three hypervariable regions determine the specificity of the antibody, also known as the complementarity determining regions (CDRs).
- Each light chain variable region (LCVR) and heavy chain variable region (HCVR) consists of three CDR regions and four FR regions, arranged in the order from the amino terminus to the carboxyl terminus: FR1, CDR1, FR2, CDR2, FR3, CDR3, FR4.
- the three CDR regions of the light chain refer to LCDR1, LCDR2, and LCDR3; the three CDR regions of the heavy chain refer to HCDR1, HCDR2, and HCDR3.
- the antibodies disclosed herein include murine antibodies, chimeric antibodies, humanized antibodies and fully human antibodies, with humanized antibodies and fully human antibodies being preferred.
- murine antibody in this disclosure refers to antibodies prepared in mice according to the knowledge and skills in the art. When preparing, a test subject is injected with a specific antigen, and then a hybridoma expressing an antibody with the desired sequence or functional characteristics is isolated.
- chimeric antibody refers to an antibody formed by fusing the variable region of a mouse antibody with the constant region of a human antibody, which can reduce the immune response induced by the mouse antibody.
- To establish a chimeric antibody it is necessary to first establish a hybridoma that secretes mouse-specific monoclonal antibodies, then clone the variable region genes from the mouse hybridoma cells, and then clone the constant region genes of human antibodies as needed, connect the mouse variable region genes with the human constant region genes into a chimeric gene, and then insert it into an expression vector, and finally express the chimeric antibody molecule in a eukaryotic system or a prokaryotic system.
- humanized antibody also known as CDR-grafted antibody, refers to an antibody produced by transplanting the mouse CDR sequence into the human antibody variable region framework, that is, different types of human germline antibody framework sequences.
- the heterologous reaction induced by chimeric antibodies due to carrying a large amount of mouse protein components can be overcome.
- framework sequences can be obtained from public DNA databases including germline antibody gene sequences or public references.
- germline DNA sequences of human heavy chain and light chain variable region genes can be found in the "VBase" human germline sequence database (available on the Internet www.mrccpe.com.ac.uk/vbase), and in Kabat, EA et al., 1991 Sequences of Proteins of Immunological Interest, 5th edition.
- the human antibody variable region framework sequence can be subjected to minimal reverse mutation or back mutation to maintain activity.
- the humanized antibodies disclosed in the present invention also include humanized antibodies after further affinity maturation of CDR by phage display. References further describing methods for humanizing mouse antibodies include, for example, Queen et al., Proc., Natl. Acad. Sci. USA, 88, 2869, 1991 and the methods of Winter and co-workers [Jones et al., Nature, 321, 522 (1986), Riechmann, et al., Nature, 332, 323-327 (1988), Verhoeyen, et al., Science, 239, 1534(1988)].
- Fully human antibody is antibodies whose variable and constant regions are both human, eliminating immunogenicity and toxic side effects.
- the development of monoclonal antibodies has gone through four stages, namely: mouse monoclonal antibodies, chimeric monoclonal antibodies, humanized monoclonal antibodies and fully human monoclonal antibodies.
- the present disclosure is a fully human monoclonal antibody.
- the relevant technologies for the preparation of fully human antibodies mainly include: human hybridoma technology, EBV transformed B lymphocyte technology, phage display technology (phage display), transgenic mouse antibody preparation technology (transgenic mouse) and single B cell antibody preparation technology, etc.
- antigen-binding fragment refers to one or more fragments of an antibody that retain the ability to specifically bind to an antigen. It has been shown that fragments of full-length antibodies can be used to perform the antigen-binding function of an antibody.
- binding fragments included in "antigen-binding fragments" include (i) Fab fragments, monovalent fragments consisting of VL, VH, CL and CH1 domains; (ii) F(ab')2 fragments, bivalent fragments comprising two Fab fragments connected by a disulfide bridge on the hinge region, (iii) Fd fragments consisting of VH and CH1 domains; (iv) Fv fragments consisting of the VH and VL domains of a single arm of an antibody; (v) single domain or dAb fragments (Ward et al., (1989) Nature 341: 544-546), which consist of a VH domain; and (vi) isolated complementarity determining regions (CDRs) or (vii) combinations
- the two domains of the Fv fragment, VL and VH are encoded by separate genes, they can be connected by synthetic linkers using recombinant methods, thereby enabling them to be produced as a single protein chain in which the VL and VH regions are paired to form a monovalent molecule (called single-chain Fv (scFv); see, for example, Bird et al. (1988) Science 242: 423-426; and Huston et al. (1988) Proc. Natl. Acad. Sci USA 85: 5879-5883).
- single-chain Fv single-chain antibodies
- Such single-chain antibodies are also intended to be included in the term "antigen-binding fragment" of an antibody.
- Antigen-binding portions can be produced by recombinant DNA technology or by enzymatic or chemical cleavage of intact immunoglobulins.
- the antibodies can be of different isotypes, for example, IgG (eg, IgG1, IgG2, IgG3 or IgG4 subtype), IgA1, IgA2, IgD, IgE or IgM antibodies.
- Fab is an antibody fragment having a molecular weight of about 50,000 and having antigen-binding activity among fragments obtained by treating IgG antibody molecules with the protease papain (cleaving the amino acid residue at position 224 of the H chain), in which about half of the N-terminal side of the H chain and the entire L chain are bound together by a disulfide bond.
- F(ab')2 is an antibody fragment having a molecular weight of about 100,000 and antigen-binding activity, obtained by digesting the portion below two disulfide bonds in the hinge region of IgG with the enzyme pepsin, and comprising two Fab regions linked at the hinge position.
- Fab' is an antibody fragment having a molecular weight of about 50,000 and having antigen-binding activity obtained by cleaving the disulfide bond of the hinge region of the above-mentioned F(ab')2.
- the Fab' fragment of the antibody can be produced by inserting a DNA encoding the Fab' fragment into a prokaryotic expression vector or a eukaryotic expression vector and introducing the vector into a prokaryotic organism or a eukaryotic organism to express the Fab'.
- single-chain antibody means a molecule comprising an antibody heavy chain variable domain (or region; VH) and an antibody light chain variable domain (or region; VL) connected by a linker.
- Such scFv molecules may have the general structure: NH 2-VL-linker-VH-COOH or NH 2-VH-linker-VL-COOH.
- Suitable prior art linkers consist of repeated GGGGS amino acid sequences or variants thereof, for example using variants with 1-4 repeats (Holliger et al. (1993), Proc. Natl. Acad. Sci. USA 90:6444-6448).
- linkers that can be used in the present disclosure are described by Alfthan et al. (1995), Protein Eng. 8:725-731, Choi et al. (2001), Eur. J. Immunol. 31:94-106, Hu et al. (1996), Cancer Res. 56:3055-3061, Kipriyanov et al. (1999), J. Mol. Biol. 293:41-56 and Roovers et al. (2001), Cancer Immunol.
- CDR refers to one of the six hypervariable regions within the variable domain of an antibody that primarily contribute to antigen binding.
- One of the most commonly used definitions of the six CDRs is provided by Kabat E.A. et al., (1991) Sequences of proteins of immunological interest. NIH Publication 91-3242).
- the Kabat definition of CDR applies only to CDR1, CDR2, and CDR3 (CDR L1, CDR L2, CDR L3 or L1, L2, L3) of the light chain variable domain, and CDR2 and CDR3 (CDR H2, CDR H3 or H2, H3) of the heavy chain variable domain.
- antibody framework refers to a portion of a variable domain VL or VH that serves as a scaffold for the antigen binding loops (CDRs) of the variable domain. Essentially, it is a variable domain without CDRs.
- epitope refers to a site on an antigen to which an immunoglobulin or antibody specifically binds.
- An epitope typically includes at least 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 or 15 consecutive or non-contiguous amino acids in a unique spatial conformation. See, e.g., Epitope Mapping Protocols in Methods in Molecular Biology, Vol. 66, G. E. Morris, Ed. (1996).
- binding refers to the binding of an antibody to a predetermined epitope on an antigen.
- the antibody binds with an affinity (KD) of less than about 10-7 M, such as less than about 10-8 M, 10-9 M or 10-10 M or less.
- nucleic acid molecule refers to DNA molecules and RNA molecules. Nucleic acid molecules can be single-stranded or double-stranded, but are preferably double-stranded DNA. A nucleic acid is "operably linked" when it is placed in a functional relationship with another nucleic acid sequence. For example, if a promoter or enhancer affects the transcription of a coding sequence, then the promoter or enhancer is operably linked to the coding sequence.
- vector refers to a nucleic acid molecule capable of transporting another nucleic acid connected thereto.
- the vector is a "plasmid", which refers to a circular double-stranded DNA loop into which other DNA segments can be connected.
- the vector is a viral vector, in which other DNA segments can be connected to the viral genome.
- the vector disclosed herein can be autonomously replicated in the host cell introduced therein (e.g., bacterial vectors and additional mammalian vectors with a bacterial origin of replication) or can be integrated into the genome of the host cell after being introduced into the host cell, thereby replicating with the host genome (e.g., non-additional mammalian vectors).
- Antigen-binding fragments can also be prepared by conventional methods.
- the antibodies or antigen-binding fragments of the invention are genetically engineered to add one or more human FR regions to the non-human CDR region.
- Human FR germline sequences can be obtained from the ImMunoGeneTics (IMGT) website http://imgt.cines.fr by comparing the IMGT human antibody variable region germline gene database and MOE software, or from the Journal of Immunoglobulins, 2001 ISBN012441351.
- host cell refers to a cell into which an expression vector has been introduced.
- Host cells may include bacterial, microbial, plant or animal cells.
- Bacteria that are readily transformed include members of the family Enterobacteriaceae, such as strains of Escherichia coli or Salmonella; Bacillaceae, such as Bacillus subtilis; Pneumococcus; Streptococcus and Haemophilus influenzae.
- Suitable microorganisms include Saccharomyces cerevisiae and Pichia pastoris.
- Suitable animal host cell lines include CHO (Chinese Hamster Ovary cell line) and NS0 cells.
- the engineered antibodies or antigen-binding fragments disclosed herein can be prepared and purified by conventional methods.
- cDNA sequences encoding heavy and light chains can be cloned and recombined into GS expression vectors.
- the recombinant immunoglobulin expression vector can stably transfect CHO cells.
- mammalian expression systems lead to glycosylation of antibodies, especially at the highly conserved N-terminal site of the Fc region.
- Positive clones are expanded in serum-free culture medium in a bioreactor to produce antibodies.
- the culture fluid that secretes antibodies can be purified by conventional techniques. For example, purification is performed using an A or G Sepharose FF column containing an adjusted buffer.
- Non-specifically bound components are washed away.
- the bound antibodies are then eluted using a pH gradient method, and the antibody fragments are detected using SDS-PAGE and collected.
- the antibodies can be filtered and concentrated using conventional methods. Soluble mixtures and polymers can also be removed using conventional methods, such as molecular sieves and ion exchange.
- the resulting product must be immediately frozen, such as at -70°C, or freeze-dried.
- peptide refers to a compound fragment between amino acids and proteins. It is composed of two or more amino acid molecules connected to each other by peptide bonds. It is a structural and functional fragment of protein. Hormones, enzymes, etc. are essentially peptides.
- sucrose refers to a biological macromolecule composed of three elements: C, H, and O, which can be divided into monosaccharides, disaccharides, and polysaccharides.
- the compounds and conjugates disclosed in the present invention have excellent tumor cell inhibition activity, stability and in vivo efficacy in animals, and can be used as effective drugs for inhibiting tumor cells and preventing and/or treating cancer.
- FIG1 is a test result of the bystander killing effect of the antibody-drug conjugate disclosed in Test Example 4 on tumor cells;
- FIG2 is the test result of the growth inhibition of NCI-N87 transplanted tumor in nude mice in the experiment of Test 5A in Test Example 5;
- FIG3 is a summary of the weight changes of experimental mice in the experiment of Test 5A in Test Example 5;
- FIG4 is a test result of the growth inhibition of NCI-N87 transplanted tumor in nude mice in the experiment of Test 5B in Test Example 5;
- FIG5 is a summary of the weight changes of experimental mice in the experiment of Test 5B in Test Example 5;
- FIG. 6 is the dissociation degree test result of the plasma stability of the antibody-drug conjugate disclosed in Test Example 6.
- FIG. 7 is the test result of the growth inhibition of NCI-N87 transplanted tumor in nude mice in the experiment of Test 5C in Test Example 5;
- FIG8 is a summary of the weight changes of experimental mice in the experiment of Test 5C in Test Example 5;
- Figure 9 is a bystander killing test of the Pertuzumab antibody-drug conjugate in Test Example 7;
- FIG. 10 is a test of the bystander killing effect of the antibody drug conjugate on EGFR target tumor cells in Test Example 9
- FIG11 is the test result of growth inhibition of JIMT-1 mouse subcutaneous transplanted tumor model in Test Example 10;
- FIG12 is a summary of the weight changes of experimental mice in Test Example 10.
- FIG13 is the test result of growth inhibition of NCI-H322 mouse subcutaneous transplanted tumor model in Test Example 11;
- FIG14 is a summary of the weight changes of experimental mice in Test Example 11.
- FIG15 is a test of the bystander killing effect of ADC-113 on Her2-targeted tumor cells in Test Example 14;
- FIG16 is a test of the bystander killing effect of ADC-115 on Her2-targeted tumor cells in Test Example 15;
- FIG17 is the test result of different doses of ADC-113 on the growth inhibition of nude mouse NCI-N87 transplanted tumor in Test Example 16;
- FIG18 is a summary of the weight changes of experimental mice in response to different doses of ADC-113 in Test Example 16;
- FIG19 is the test result of ADC-115 on the growth inhibition of nude mouse NCI-N87 transplanted tumor in Test Example 17;
- FIG. 20 is a summary of the results of the effect of ADC-115 on the weight changes of experimental mice in Test Example 17.
- the following antibodies were prepared according to conventional antibody methods, for example, after constructing the vector, they were transfected into eukaryotic cells such as HEK293 cells (Life Technologies Cat. No. 11625019).
- Exemplary antibody sequences are as follows:
- NMR nuclear magnetic resonance
- MS mass spectrometry
- Chemical shifts ⁇ are given in units of 10 -6 (ppm).
- NMR measurements were performed using a Bruker NMR spectrometer, with deuterated dimethyl sulfoxide (DMSO-d 6 ), deuterated chloroform (CDCl 3 ), deuterated methanol (CD 3 OD) as the solvent, and tetramethylsilane (TMS) as the internal standard.
- DMSO-d 6 deuterated dimethyl sulfoxide
- CDCl 3 deuterated chloroform
- CD 3 OD deuterated methanol
- TMS tetramethylsilane
- LCMS determination was performed using: Agilent 1260 Infinity II (ESI) mass spectrometer, Waters UPLC H Class plus (ESI) or Shimadzu LCMS-2020 (ESI).
- ESI Agilent 1260 Infinity II
- ESI Waters UPLC H Class plus
- ESI Shimadzu LCMS-2020
- HPLC High performance liquid chromatography
- Preparative high performance liquid chromatography was performed using a GILSON GX-281 or Agilent 1260 Infinity II preparative HPLC.
- the thin layer chromatography silica gel plate used was GF254 acrylic adhesive silica gel plate from Anhui Liangchen Silicon Source Material Co., Ltd.
- the silica gel plate used in thin layer chromatography (TLC) was 0.2 mm silica gel plate, and the thin layer chromatography separation and purification product was 0.5 mm silica gel plate.
- the average inhibition rate and IC50 value of kinase were determined using SpectraMax i3X microplate reader (MD Company, USA).
- the known starting materials disclosed in the present invention can be synthesized by methods known in the art, or can be purchased from companies such as Sach Pharmaceuticals, Leyan, Shaoyuan Chemical Technology, and Anaiji Chemicals.
- Argon atmosphere or nitrogen atmosphere means that the reaction bottle is connected to an argon or nitrogen balloon with a capacity of about 1L.
- Hydrogen atmosphere means that the reaction bottle is connected to a hydrogen balloon with a capacity of about 1L.
- Oxygen atmosphere means that the reaction bottle is connected to an oxygen balloon with a capacity of about 1L.
- solution refers to aqueous solution
- reaction temperature room temperature, 20°C-30°C.
- the reaction progress in the embodiment is monitored by thin layer chromatography (TLC), the developing solvent used in the reaction, the eluent system of column chromatography used for purifying the compound and the developing solvent system of thin layer chromatography include: A: dichloromethane/methanol system, B: petroleum ether/ethyl acetate system, the volume ratio of the solvent is adjusted according to the polarity of the compound, and a small amount of alkaline or acidic reagents such as triethylamine and acetic acid can also be added for adjustment.
- TLC thin layer chromatography
- Example 2-1 Preparation of Compound 1 and its isomers 1-A, 1-B, 1-C and 1-D
- Dissolve 1c (680 mg, 1.85 mmol) in 10 mL of dichloromethane, protect with nitrogen, cool to 0°C in an ice-water bath, add sodium borohydride (108.02 mg, 2.86 mmol) in batches, and stir the reaction solution at 0°C for 30 minutes.
- Add acetic acid (133.15 mg, 2.22 mmol) dropwise at 25°C to generate gas, and continue stirring for 2 hours.
- Add 30 mL of water dropwise at 15°C to generate gas, and stir at 15°C for 1.5 hours.
- Example 2-1 Referring to the method of Example 2-1, the following compound was prepared by selecting the corresponding substrate:
- the pH of the aqueous phase was adjusted to 7-8 with a saturated potassium bicarbonate solution, and the mixture was extracted with a mixed solvent (dichloromethane/methanol: 20/3, 15 mL ⁇ 5).
- the organic phase was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure to obtain the crude title product 1i-1 (22 mg) as a brown solid.
- the product was directly used in the next step without purification.
- the residue was diluted with N,N-dimethylformamide to 1.5 mL.
- the diluted solution was purified by pre-HPLC (chromatographic column: Xtimate C18 150 ⁇ 40 mm ⁇ 10 ⁇ m; mobile phase: A-water (0.225% formic acid), B-acetonitrile; gradient elution: B%: 23%-53%), and the obtained mixture was purified by supercritical fluid chromatography to obtain two single-configuration title products 3-A and 3-B:
- 1i-1-1 13 mg, 25.35 ⁇ mol
- 1-hydroxycyclopropanecarboxylic acid 4 mg, 38.03 ⁇ mol
- 2-(7-azobenzotriazole)-N,N,N',N'-tetramethyluronium hexafluorophosphate (12 mg, 30.42 ⁇ mol) were dissolved in 1 mL of N,N-dimethylformamide, and N,N-diisopropylethylamine (10 mg, 76.06 ⁇ mol) was added and stirred at 25°C for 1 hour.
- reaction solution was purified by pre-HPLC (chromatographic column: InfinityLab Poroshell 120 SB-C18 21.2 ⁇ 150 mm, 4 ⁇ m; mobile phase: A-water (0.1% formic acid), B-acetonitrile; gradient elution: B%: 20%-80%) to obtain the title product 6 (2.25 mg, yield: 16%) as a white solid.
- Example 2-1 Referring to the method of Example 2-1, the following compound was prepared by selecting the corresponding substrate:
- reaction solution was poured into 10 mL of water, extracted with ethyl acetate (10 mL ⁇ 2), the organic phase was washed with saturated sodium chloride solution (10 mL ⁇ 2), the organic phase was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated by vacuum distillation. The residue was purified by preparative thin layer chromatography with developing system A to obtain the title product 14c (58 mg, yield: 83%) as a white solid.
- 24b (8.96 g, 34.61 mmol) was dissolved in a mixed solution of 100 mL ethanol and 20 mL water, and iron powder (5.80 g, 103.82 mmol) and ammonium chloride (5.55 g, 103.82 mmol) were added in sequence.
- the reaction solution was stirred at 80°C for 1 hour under nitrogen protection.
- the reaction solution was filtered and the filtrate was concentrated by vacuum distillation to obtain the crude title product 24c (7.2 g) as a white solid.
- the product was used directly in the next step without purification.
- reaction solution was stirred at 95 ° C for 10 hours. 20 mL of water was added, and the diluted reaction solution was extracted with ethyl acetate (10 mL ⁇ 3). The organic phase was washed with saturated sodium chloride solution (5 mL ⁇ 2), dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated by vacuum distillation. The resulting residue was purified by silica gel column chromatography using developing system B to obtain the title product 24e (350 mg, yield: 26%) as a colorless oil.
- 24f (538 mg, 1.42 mmol) and 24g (i.e., the above-mentioned compound 22c) (375 mg, 1.42 mmol, prepared by the method disclosed in Example 30 on page 28 of patent application "WO2019238046 A1" were dissolved in 10 mL of ethanol, and concentrated hydrochloric acid (12 M, 1.58 mL) was added, and stirred at 80°C for 2 hours.
- the reaction solution was concentrated by vacuum distillation to remove ethanol, 10 mL of water was added, and the filter cake was filtered to obtain the crude title product 24h (500 mg) as a yellow solid. The product was used directly in the next step without purification.
- reaction solution was poured into a hydrochloric acid aqueous solution (1 M, 2 mL), and the filtrate was concentrated by vacuum distillation to obtain the crude title product 24k (20 mg) as a brown oil.
- the product was used directly in the next step without purification.
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Abstract
Description
Tp—L—G (C)
#L1—L2—L3—L4—L5* (L)
Tp—L—D (D)
#L1—L2—L3—L4—L5* (L)
L1’—L2—L3—L4—L5-G
L1’—L2—L3—L4—L5-D
Claims (54)
- 如下式(C)所示的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐:
Tp—L—G (C)其中,Tp为靶向部分;L选自化学键或连接子;G为下式(G)所示的基团:
其中,A选自N或C-RA;当A为N时,R1选自氢、羟基、无取代或被一个、两个或更多个RB取代的下列基团:烷基、环烷基、环烷基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;当A为C-RA时,RA和R1相同或不同,彼此独立地选自氢、卤素、羟基、巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:烷基、环烷基、环烷基烷基、烷基氧基、环烷基氧基、烷基氧基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;或者,RA、R1与其所连接的原子一起形成无取代或被一个、两个或更多个RD取代的3-10元环结构;z选自0或1;R2选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;R3选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的环结构,例如5-10元环结构;其中,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的环结构,例如4-10元环结构;其中,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自烷基、烷基氧基、卤素、羟基、巯基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:环烷基、环烷基烷基、环烷基氧基、杂环基、杂环基烷基、杂环基氧基、烷基、烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、氨基;B选自不存在、三氮唑基、-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基、HC(=O)-、烷基C(=O)-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、#O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的环结构,例如3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的环结构,例如3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的环结构,例如3-10元环结构;其中,任一个所述的环结构可以是无取代或被一个、两个或更多个RI取代的单环烃基、二环烃基、杂单环烃基、杂二环烃基;例如,任一个所述的环结构可以是无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基;每一个m相同或不同,彼此独立地选自0~10的整数;每一个n相同或不同,彼此独立地选自0~10的整数;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;波浪线表示与L相连的位点;条件是,当R6选自无取代或被一个、两个或更多个RG取代的烷基、烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基或氨基时:A为N,R1、R2不与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,并且R7为氢时TL不为化学键;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;并且,RA为无取代或被一个、两个或更多个RC取代的下列基团:环烷基、环烷基烷基、环烷基氧基;或者,B为-N(NR7R8)-;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基。 - 如权利要求1所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,式(G)中的基团独立地选自下列定义:A选自N或C-RA;当A为N时,R1选自氢、羟基、无取代或被一个、两个或更多个RB取代的下列基团:烷基、环烷基、环烷基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;当A为C-RA时,RA和R1相同或不同,彼此独立地选自氢、卤素、羟基、巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:烷基、环烷基、环烷基烷基、烷基氧基、环烷基氧基、烷基氧基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;或者,RA、R1与其所连接的原子一起形成无取代或被一个、两个或更多个RD取代的3-10元环结构;z选自0或1;R2选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;R3选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自烷基、烷基氧基、卤素、羟基、巯基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:环烷基、环烷基烷基、环烷基氧基、杂环基、杂环基烷基、杂环基氧基;B选自不存在、三氮唑基、-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基、HC(=O)-、烷基C(=O)-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、 #O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;其中,任一个所述的3-10元环结构可以是无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基;m和n相同或不同,彼此独立地选自0~10的整数;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-。
- 如权利要求1所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,式(G)中的基团独立地选自下列定义:A选自N或C-RA;当A为N时,R1选自氢、羟基、无取代或被一个、两个或更多个RB取代的下列基团:烷基、环烷基、环烷基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;当A为C-RA时,RA和R1相同或不同,彼此独立地选自氢、卤素、羟基、巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:烷基、环烷基、环烷基烷基、烷基氧基、环烷基氧基、烷基氧基烷基、杂环基、杂环基烷基、芳基、芳基烷基、杂芳基或杂芳基烷基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;或者,RA、R1与其所连接的原子一起形成无取代或被一个、两个或更多个RD取代的3-10元环结构;z选自0或1;R2选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;R3选自氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自烷基、烷基氧基、卤素、羟基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:环烷基、环烷基烷基、环烷基氧基、杂环基、杂环基烷基、杂环基氧基;B选自不存在、-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基、HC(=O)-、烷基C(=O)-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、#O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;其中,任一个所述的3-10元环结构可以是例如无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:烷基、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基、杂环基烷基;m和n相同或不同,彼此独立地选自0~10的整数;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、 羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、烷基、烷基氧基、环烷基、环烷基烷基、环烷基氧基、芳基、芳基烷基、芳基氧基、杂芳基、杂芳基烷基、杂芳基氧基、杂环基、杂环基烷基、杂环基氧基、NH2、HC(=O)NH-、烷基C(=O)NH-、环烷基C(=O)NH-、杂环基C(=O)NH-、芳基C(=O)NH-、杂芳基C(=O)NH-。
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如权利要求1所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,式(G)中的基团独立地选自下列定义:A选自N或C-RA;当A为N时,R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基或5-10元杂芳基C1-10烷基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,当A为N时,R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、苯基、苯基C1-6烷基、5-6元杂芳基或5-6元杂芳基C1-6烷基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、苯基C(=O)NH-、5-6元杂芳基C(=O)NH-;当A为C-RA时,RA和R1相同或不同,彼此独立地选自1H、2H、卤素、羟基、巯基、氘代羟基、氘代巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C1-10烷基氧基、C3-10环烷基氧基、C1-10烷基氧基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基或5-10元杂芳基C1-10烷基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,当A为C-RA时,RA和R1相同或不同,彼此独立地选自1H、2H、卤素、羟基、巯基、氘代羟基、氘代巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C1-6烷基氧基、C3-6环烷基氧基、C1-6烷基氧基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、苯基、苯基C1-6烷基、5-6元杂芳基或5-6元杂芳基C1-6烷基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、苯基C(=O)NH-、5-6元杂芳基C(=O)NH-;或者,RA、R1与其所连接的原子一起形成无取代或被一个、两个或更多个RD取代的3-8元环结构,例如3、4、5、6、7或8元环结构;z选自0或1;R2选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R2选自1H、2H、氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基;R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-10烷基、C3-6环烷基氧基;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自C1-10烷基、C1-10烷基氧基、卤素、羟基、巯基、氨基、氰基;优选地,R4选自C1-6烷基、C1-6烷基氧基、卤素、羟基、巯基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基;优选地,R6选自无取代或被一个、两个或更多个RG取代的下列基团:C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基B选自不存在、三氮唑基、-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自1H、2H、无取代或被一个、两个或更多个RH取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、HC(=O)-、C1-10烷基C(=O)-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、HC(=O)-、C1-6烷基C(=O)-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、#O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自1H、2H、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基;优选地,每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RI取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-10烷基、3-6元杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;其中,任一个所述的3-10元环结构可以是例如无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基;优选地,每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基;m和n相同或不同,彼此独立地选自0~10的整数,例如0、1、2、3、4、5、6、7、8、9或10;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-。
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如权利要求1所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,式(G)中的基团独立地选自下列定义:A选自N或C-RA;当A为N时,R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基或5-10元杂芳基C1-10烷基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,当A为N时,R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、苯基、苯基C1-6烷基、5-6元杂芳基或5-6元杂芳基C1-6烷基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、苯基C(=O)NH-、5-6元杂芳基C(=O)NH-;当A为C-RA时,RA和R1相同或不同,彼此独立地选自1H、2H、卤素、羟基、巯基、氘代羟基、氘代巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C1-10烷基氧基、C3-10环烷基氧基、C1-10烷基氧基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基或5-10元杂芳基C1-10烷基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,当A为C-RA时,RA和R1相同或不同,彼此独立地选自1H、2H、卤素、羟基、巯基、氘代羟基、氘代巯基、氰基、硝基,无取代或被一个、两个或更多个RC取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C1-6烷基氧基、C3-6环烷基氧基、C1-6烷基氧基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、苯基、苯基C1-6烷基、5-6元杂芳基或5-6元杂芳基C1-6烷基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、苯基C(=O)NH-、5-6元杂芳基C(=O)NH-;或者,RA、R1与其所连接的原子一起形成无取代或被一个、两个或更多个RD取代的3-8元环结构,例如3、4、5、6、7或8元环结构;z选自0或1;R2选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R2选自1H、2H、氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基;R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-10烷基、C3-6环烷基氧基;条件是,R1、R2与其所连接的原子或R2、R3与其所连接的原子中的至少一组基团一起形成无取代或被一个、两个或更多个RE取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自C1-10烷基、C1-10烷基氧基、卤素、羟基、巯基、氨基、氰基;优选地,R4选自C1-6烷基、C1-6烷基氧基、卤素、羟基、巯基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:C1-10烷基、C1-10烷基氧基、C6-10芳基、C6-10芳基烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基烷基、5-6元杂芳基氧基;B选自不存在、三氮唑基、-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自1H、2H、无取代或被一个、两个或更多个RH取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、HC(=O)-、C1-10 烷基C(=O)-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、HC(=O)-、C1-6烷基C(=O)-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、#O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自1H、2H、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基;优选地,每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-10烷基、3-6元杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;其中,任一个所述的3-10元环结构可以是例如无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基;优选地,每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基;m和n相同或不同,彼此独立地选自0~10的整数,例如0、1、2、3、4、5、6、7、8、9或10;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氨基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-。
- 如权利要求1所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,式(G)中的基团独立地选自下列定义:A选自N;R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基或5-10元杂芳基C1-10烷基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,当A为N时,R1选自1H、2H、羟基、氘代羟基、无取代或被一个、两个或更多个RB取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、苯基、苯基C1-6烷基、5-6元杂芳基或5-6元杂芳基C1-6烷基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、苯基C(=O)NH-、5-6元杂芳基C(=O)NH-;z选自0或1;R2选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R2选自1H、2H、氢、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基;R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;优选地,R3选自1H、2H、卤素,无取代或被一个、两个或更多个RE取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-10烷基、C3-6环烷基氧基;或者,R1、R2与其所连接的原子一起形成无取代或被一个、两个或更多个RE取代的5-10元环结构,所述5-10元环结构可以选自例如5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;或者,R2、R3与其所连接的原子一起形成无取代或被一个、两个或更多个RF取代的4-10元环结构,所述4-10元环结构可以选自例如4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;R4选自C1-10烷基、C1-10烷基氧基、卤素、羟基、巯基、氨基、氰基;优选地,R4选自C1-6烷基、C1-6烷基氧基、卤素、羟基、巯基、氨基、氰基;R5选自羟基;R6选自无取代或被一个、两个或更多个RG取代的下列基团:C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基;优选地,R6选自无取代或被一个、两个或更多个RG取代的下列基团:C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基;B选自-NR7-或-N(NR7R8)-;R7、R8相同或不同,彼此独立地选自1H、2H、无取代或被一个、两个或更多个RH取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基、HC(=O)-、C1-10烷基C(=O)-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,R7、R8相同或不同,彼此独立地选自氢、无取代或被一个、两个或更多个RH取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基、HC(=O)-、C1-6烷基C(=O)-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;TL选自化学键、#O-(CR9R10)m-(CR11R12)n-C(=O)*、#O-(CR9R10)m-(CR11R12)n*、#N(R13)-(CR9R10)m-(CR11R12)n-C(O)*、#S-(CR9R10)m-(CR11R12)n-C(O)*、#O-(CR9R10)m-(CR11R12)n-C(NR13)*、#O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)*、*O-(CR9R10)m-(CR11R12)n-C(=O)#、*O-(CR9R10)m-(CR11R12)n#、*N(R13)-(CR9R10)m-(CR11R12)n-C(O)#、*S-(CR9R10)m-(CR11R12)n-C(O)#、*O-(CR9R10)m-(CR11R12)n-C(NR13)#、*O-(CR9R10)m-(CR11R12)n-P(=O)(OR14)#,其中#代表与L连接的位点,*代表与B连接的位点;每一个R9、R10、R11、R12相同或不同,彼此独立地选自1H、2H、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基;优选地,每一个R9、R10、R11、R12相同或不同,彼此独立地选自氢、卤素、氰基,无取代或被一个、两个或更多个RI取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-10烷基、3-6元杂环基氧基;或者,R9、R10与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R11、R12与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;或者,R9、R11与其相连接的原子一起形成无取代或被一个、两个或更多个RI取代的3-10元环结构;任一个所述的3-10元环结构可以是例如无取代或被一个、两个或更多个RI取代的下列基团:3、4、5、6、7、8、9或10元的单环烃基、二环烃基、杂单环烃基、杂二环烃基;每一个R13相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-10烷基、C3-10环烷基、C3-10环烷基C1-10烷基、C6-10芳基、C6-10芳基C1-10烷基、5-10元杂芳基、5-10元杂芳基C1-10烷基、3-10元杂环基、3-10元杂环基C1-10烷基;优选地,每一个R13 相同或不同,彼此独立地选自无取代或被一个、两个或更多个RJ取代的下列基团:C1-6烷基、C3-6环烷基、C3-6环烷基C1-6烷基、C6-10芳基、C6-10芳基C1-6烷基、5-6元杂芳基、5-6元杂芳基C1-6烷基、3-6元杂环基、3-6元杂环基C1-6烷基;m和n相同或不同,彼此独立地选自0~10的整数,例如0、1、2、3、4、5、6、7、8、9或10;每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RB、RC、RD、RE、RF、RG、RH、RI、RJ相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RK取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-;优选地,每一个RK相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基,无取代或被一个、两个或更多个RL取代的下列基团:C1-6烷基、C1-6烷基氧基、C3-6环烷基、C3-6环烷基C1-6烷基、C3-6环烷基氧基、C6-10芳基、C6-10芳基C1-6烷基、C6-10芳基氧基、5-6元杂芳基、5-6元杂芳基C1-6烷基、5-6元杂芳基氧基、3-6元杂环基、3-6元杂环基C1-6烷基、3-6元杂环基氧基、NH2、HC(=O)NH-、C1-6烷基C(=O)NH-、C3-6环烷基C(=O)NH-、3-6元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-6元杂芳基C(=O)NH-;每一个RL相同或不同,彼此独立地选自氘代、卤素、羟基、氰基、硝基、C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、C6-10芳基、C6-10芳基C1-10烷基、C6-10芳基氧基、5-10元杂芳基、5-10元杂芳基C1-10烷基、5-10元杂芳基氧基、3-10元杂环基、3-10元杂环基C1-10烷基、3-10元杂环基氧基、NH2、HC(=O)NH-、C1-10烷基C(=O)NH-、C3-10环烷基C(=O)NH-、3-10元杂环基C(=O)NH-、C6-10芳基C(=O)NH-、5-10元杂芳基C(=O)NH-。
- 如权利要求1-6任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中:R1、R2与其所连接的喹啉基一起形成如下亚结构中的一种,其中所述亚结构可以是无取代的或被一个、两个或更多个RE取代:
或者,R2、R3与其所连接的喹啉基一起形成如下亚结构中的一种,其中所述亚结构可以是无取代的或被一个、两个或更多个RF取代:
或者优选地,B选自不存在、-NH-或-N(NR7R8)-,其中R7、R8彼此独立地具有权利要求1-6任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自如下式(G-1)所示的基团:
其中,A、B、TL、R1、R2、R3、R6独立地具有如权利要求1-7任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自式(G-2)或(G-3)所示的基团:
其中,RA、B、TL、R1、R2、R3、R6具有如权利要求1-7任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自下列基团或下列基团的波浪线处与-TL-连接后的基团:
其中,A、R1、R2、R3、R4、R6、R7、z具有如权利要求1-7任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自下列基团或下列基团的波浪线处与-TL-连接后的基团:
其中,A、R1、R2、R3、R4、R7具有如权利要求1-7任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自下列基团或下列基团的波浪线处与-TL-连接后的基团:
其中,A、R1、R4、R6、R7、z具有如权利要求1-7任一项所述的定义。 - 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中,G选自如下基团或下列基团的波浪线处与-TL-连接后的基团:
- 如权利要求1-7任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中L选自化学键或如下定义的式(L)所示的连接子:
#L1—L2—L3—L4—L5* (L)其中L1是与靶向部分Tp的连接部分,由反应基团L1’和靶向部分Tp形成,#代表与靶向部分Tp的连接位点;例如L1’为马来酰亚胺基团,则L1为如下结构:或其开环形式:L2不存在或为L1和L3的间隔部分;L3为肽部分;L4为不存在或为肽部分与L5的间隔部分;L5为L4与生物活性分子G的连接部分,由反应基团L5’与生物活性分子G或其中间体反应生成,*代表与生物活性分子G的连接位点;任选地:在L中的上述部分之间,优选在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的亲水部分或空间位阻部分:亲水部分:空间位阻部分:R16、R16’相同或不同,至少一个选自亲水基团,另一个选自下列取代基团:氢、卤素、氰基、氨基、硝基,无取代或被一个、两个或更多个Rzg取代的C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基、氨基羰基;所述亲水基团选自聚乙二醇基团、被1~10个羟基取代的C1-10烷基或含有糖环的基团或C1-6烷基NHCO-(如C1-4烷基NHCO-),优选为聚乙二醇基团,进一步优选为-C(=O)-NH-(CH2CH2O)p-C1-10烷基或-NH-(CH2CH2O)p-C1-10烷基,或优选为被1~10个羟基取代的C1-10烷基,进一步优选为每一个p相同或不同,彼此独立地选自0~10的整数,优选1、2、3、4、5、6、7或8;Y选自O、S、C1-10亚烷基,其中所述亚烷基的1、2或3个亚甲基可以任选地被O或S替换;R14、R15相同或不同,彼此独立地选自氢、卤素、氰基、氨基、硝基,无取代或被一个、两个或更多个Rzh取代的C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;或者,R14、R15与其连接的原子一起形成无取代或被一个、两个或更多个Rzh取代的C3-10环烷基;每一个Rzg、Rzh相同或不同,彼此独立地选自下列基团:卤素、羟基、氨基、氰基、硝基、C1-10烷基、C1-10烷基氧基、C3-10环烷基、C3-10环烷基C1-10烷基、C3-10环烷基氧基;上述定义的亲水部分或空间位阻部分为存在或不存在。 - 如权利要求14所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L1由任意与靶向部分Tp反应的基团L1’形成,L1’优选巯基反应基团、氨基反应基团、羧基反应基团、脯氨酸残基反应基团、酪氨酸残基反应基团、二硫键桥接基团等;针对引入非天然氨基酸的抗体,也可选自点击化学反应基团如酮、叠氮、炔、环丙烯或二烯;L1’优选为巯基反应基团;L1’进一步优选马来酰亚胺基团或取代的马来酰亚胺基团,并且L1-L2优选如下结构:由(N-马来酰亚胺甲基)-羧酸-N-羟基琥珀酰亚胺酯制得的片段,结构为:
(q为自0~10的整数,优选1、2、3、4、5、6、7或8);或由间(meta)-马来酰亚胺苯甲酰基-N-羟基琥珀酰亚胺酯(MBS)制得的片段,结构为:
由4-(N-马来酰亚胺甲基)-环己烷-1-羧酸琥珀酰亚胺酯(SMCC)制得的片段,结构为:
或L1’优选如下结构的巯基反应基团:Hal-Het-Hal选自卤素、OMs、OTs、OTf、硝基、以及任选被一个或多个Rz6取代的下列基团:烷基硫醚基、芳基硫醚基、杂芳基硫醚基,烷基亚砜基、芳基亚砜基、杂芳基亚砜基,烷基磺酰基、芳基磺酰基、杂芳基磺酰基;其中,Rz6独立地选自H(氢)、D(氘)、卤素、CN、硝基、C1-6烷基、卤代C1-6烷基、C1-6烷氧基、6-10元芳基和5-12元杂芳基;Het选自任选被一个或多个Rz7取代的5-10元杂芳基;其中,Rz7独立地选自H(氢)、D(氘)、卤素、CN、硝基、C1-4烷基和卤代C1-4烷基;在优选的方案中Hal优选甲磺酰基,Het优选嘧啶;在优选的方案中Hal-Het-为:
对应的L1结构为:
并且L1’-L2优选如下结构:
q为选自0~10的整数,优选1、2、3、4、5、6、7或8;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基;进一步优选:
- 如权利要求14所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L2选自不存在、C1-10亚烷基、C2-10亚烯基、C2-10亚炔基、C3-10环烷基、C6-12芳基或6-12元杂芳基或上述片段的组合,并任选被羰基、O、S、N原子间隔,任选被C1-6烷基、C3-6环烷基、卤素原子、卤代C1-6烷基取代,并且任选的所述烷基或卤代烷基与其连接的C原子形成C3-6环烷基,L2通过任意的官能团或共价键与L1或L3片段连接;优选地,L2通过-C(Rz4Rz5)-CO-与肽片段的N端连接;优选地,Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基;优选地,L2进一步优选-(CH2)q-、-(CH2)q-C(=O)-、、-(C≡C)-(CH2)q-C(Rz4Rz5)-C(=O)-,其中q为选自0~10的整数,优选1、2、3、4、5、6、7或8;优选地,Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基。
- 如权利要求14所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中L3选自包含2至8个任选取代的天然氨基酸残基或非天然氨基酸残基的二价肽基团,每一个所述氨基酸残基相同或不同,彼此独立地选自以下的氨基酸的残基:丙氨酸(Ala)、半胱氨酸(Cys)、天门冬氨酸(Asp)、谷氨酸(Glu)、苯丙氨酸(Phe)、甘氨酸(Gly)、组氨酸(His)、异亮氨酸(Ile)、赖氨酸(Lys)、亮氨酸(Leu)、甲硫氨酸(Met)、天冬酰胺(Asn)、脯氨酸(Pro)、 谷氨酰胺(Gln)、精氨酸(Arg)、丝氨酸(Ser)、苏氨酸(Thr)、缬氨酸(Val)、色氨酸(Trp)、酪氨酸(Tyr)、瓜氨酸(Cit)、戊氨酸(Nva)、正亮氨酸(Nle)、硒代半胱氨酸(Sec)、吡咯赖氨酸(Pyl)、高丝氨酸、高半胱氨酸、去甲基吡咯赖氨酸。进一步的优选,L3选自包含2、3、4、5或6个任选取代的天然氨基酸残基或非天然氨基酸残基的组合的二价肽基团,每一个所述氨基酸残基相同或不同,彼此独立地选自以下的氨基酸的残基:丙氨酸(Ala)、半胱氨酸(Cys)、天门冬氨酸(Asp)、谷氨酸(Glu)、苯丙氨酸(Phe)、甘氨酸(Gly)、组氨酸(His)、异亮氨酸(Ile)、赖氨酸(Lys)、亮氨酸(Leu)、甲硫氨酸(Met)、天冬酰胺(Asn)、脯氨酸(Pro)、谷氨酰胺(Gln)、精氨酸(Arg)、丝氨酸(Ser)、苏氨酸(Thr)、缬氨酸(Val)、色氨酸(Trp)、酪氨酸(Tyr)、瓜氨酸(Cit)、戊氨酸(Nva)、正亮氨酸(Nle)、硒代半胱氨酸(Sec)、吡咯赖氨酸(Pyl)、高丝氨酸、高半胱氨酸、去甲基吡咯赖氨酸;例如-ValCit-;-CitVal-;-AlaAla-;-AlaCit-;-CitAla-;-AsnCit-;-CitAsn-;-CitCit-;-ValGlu-;-GluVal-;-SerCit-;-CitSer-;-LysCit-;-CitLys-;-AspCit-;-CitAsp-;-AlaVal-;-ValAla-;-PheAla-;-AlaPhe-;-PheLys-;-LysPhe-;-ValLys-;-LysVal-;-AlaLys-;-LysAla-;-PheCit-;-CitPhe-;-LeuCit-;-CitLeu-;-IleCit-;-CitIle-;-PheArg-;-ArgPhe-;-CitTrp-;-TrpCit-;-PhePheLys-;-LysPhePhe-;-DPhePheLys-;-DLysPhePhe-;-GlyPheLys-;-LysPheGly-;-GlyPheLeuGly-;-GlyLeuPheGly-;-AlaLeuAlaLeu-,-GlyGlyGly-;-GlyGlyGlyGly-;-GlyPheValGly-;-GlyValPheGly-;-GlyGlyPheGly-;-AlaAlaAla-;最优选地,L3为-GlyGlyPheGly-。
- 如权利要求14所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L4优选为具有自切除性能的基团,自切除基团或自牺牲基团(self-immolative group)是在不依赖酶的作用下,通过分子内的反应如1,4-消除、1,6-消除或环化消除启动药物释放的基团;L5由任意的反应基团L5’与生物活性分子或其中间体反应生成,L5’优选为羧酸基团或活性酯基团,其与生物活性分子中的OH、SH或NH或NH2反应,形成的L5结构为:-C(O)O-、-C(O)S-、-C(O)N-或-C(O)NH-(包含了生物活性分子中的O、S、N原子);L4-L5优选为:PABC间隔臂,结构为:
GABA间隔臂,结构为:
α,α-二甲基GABA间隔臂,结构为:
或β,β-二甲基GABA间隔臂,结构为:
最优选地,L4-L5为:-NRz1-C(Rz2Rz3)-TL-;其中:Rz1为H或C1-4烷基;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;TL为如权利要求1-7所定义,并且L4-L5或G中的TL之一为化学键。 - 如权利要求14-18任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L1由选自马来酰亚胺基团、取代马来酰亚胺基团或Hal-Het-的巯基反应基团偶联Tp生成;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的亲水部分:亲水部分:
- 如权利要求14-18任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L1由选自马来酰亚胺基团或取代马来酰亚胺基团的巯基反应基团偶联Tp生成;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的空间位阻部分:空间位阻部分:
- 如权利要求14-18任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L1由选自选自Hal-Het-的巯基反应基团偶联Tp生成;L4-L5为:-NRz1-C(Rz2Rz3)-TL-;其中:Rz1为H或C1-4烷基;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;TL如权利要求1-13所定义,并且L4-L5或G中的TL之一为化学键;进一步优选地:当G中的TL为化学键时,L4-L5为:-NRz1-C(Rz2Rz3)-O-(CH2)m-C(Rz4Rz5)-CO-;其中:Rz1为H或C1-4烷基;m为0-4的整数;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基。
- 如权利要求14-18任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,L1-L2由如下结构的L1’-L2偶联Tp生成:
q为选自0~10的整数,优选1、2、3、4、5、6、7或8;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基,其中Rz4或Rz5至少一个不为H;进一步优选Rz4或Rz5一起形成C3-6环烷基;L1-L2最优选由偶联Tp生成。 - 如权利要求1-22任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,Tp为选自小分子配体、蛋白质、多肽、非蛋白质试剂(例如糖、RNA或DNA))的靶向部分;优选地,Tp的靶标选自表皮生长因子、Trop-2、CD37、HER2、CD70、EGFRvIII、Mesothelin、Folate receptor1、Mucin 1、CD138、CD20、CD19、CD30、SLTRK6、Nectin 4、Tissue factor、Mucin16、Endothelin receptor、STEAP1、SLC39A6、Guanylylcyclase C、PSMA、CCD79b、CD22、Sodiumphosphate cotransporter 2B、GPNMB、Trophoblast glycoprotein、AGS-16、EGFR、CD33、CD66e、CD74、CD56、PD-L1、TACSTD2、DR5、E16、0772P、MPF、Napi3b、Sema5b、PSCA hlg、ETBR、MSG783、STEAP2、TrpM4、CRIPTO、CD21、CD79b、FcRH2、NCA、MDP、IL20Rα、Brevican、EphB2R、ASLG659、PSCA、GEDA、BAFF-R、CD79a、CXCR5、HLA-DOB、P2X5、CD72、LY64、FcRH1、IRTA2、TENB2、整合素α5β6,α4β7、FGF2、FGFR2、Her3、CA6、DLL3、DLL4、P-cadherin、EpCAM、pCAD、CD223、LYPD3、LY6E、EFNA4、ROR1、SLITRK6、5T4、ENPP3、Claudin18.2、BMPR1B、Tyro7、c-Met、ApoE、CD1 lc、CD40、CD45(PTPRC)、CD49D(ITGA4)、CD80、CSF1R、CTSD、GZMB、Ly86、MS4A7、PIK3AP1、PIK3CD、CCR5、IFNG、IL10RA1、IL-6、ACTA2、COL7A1、LOX、LRRC15、MCPT8、MMP10、NOG、SERPINEl、STAT1、TGFBR1、CTSS、PGF、VEGFA、C1QA、C1QB、ANGPTL4、EGLN、EGLN3、BNIP3、AIF1、CCL5、CXCL10、CXCL11、IFI6、PLOD2、KISS1R、STC2、DDIT4、PFKFB3、PGK1、PDK1、AKR1C1、AKR1C2、CADM1、CDH11、COL6A3、CTGF、HMOX1、KRT33A、LUM、WNT5A、IGFBP3、MMP14、CDCP1、PDGFRA、TCF4、TGF、TGFB1、TGFB2、CDl lb、ADGRE1、EMR2、TNFRSF21、UPK1B、TNFSF9、MMP16、MFI2、IGF-1R、RNF43、NaPi2b和BCMA;优选地,Tp为小分子配体,例如叶酸衍生物、谷氨酸脲衍生物、生长抑素衍生物、芳基磺酰胺类衍生物(例如碳酸酐酶IX抑制剂)、ICG染料,花青染料或其衍生物;优选地,Tp选自抗体或其抗原结合片段,所述抗体选自嵌合抗体、人源化抗体或全人源抗体;优选为单克隆抗体;优选地,所述抗体或其抗原结合片段选自下列中的至少一种抗体或其抗原结合片段:抗CD20抗体、抗CD22抗体、抗CD30抗体、抗CD33抗体、抗CD44抗体、抗CD56抗体、抗CD70抗体、抗CD73抗体、抗CD105抗体、抗CEA抗体、抗A33抗体、抗Cripto抗体、抗EphA2抗体、抗G250抗体、抗HER2(ErbB2)抗体、抗EGFR抗体、抗B7-H3抗体、抗c-Met抗体、抗HER3(ErbB3)抗体、抗HER4(ErbB4)抗体、抗MUCl抗体、抗Lewis Y抗体、抗VEGFR抗体、抗GPNMB抗体、抗Integrin抗体、抗PSMA抗体、抗Tenascin-C抗体、抗SLC44A4抗体或抗Mesothelin抗体,所述抗体可以为双特异性抗体或多特异性抗体;进一步优选地,所述抗体或其抗原结合片段选自下列中的至少一种抗体或其抗原结合片段:Trastuzumab、Pertuzumab、Nimotuzumab、Enoblituzumab、Emibetuzumab、Inotuzumab、Pinatuzumab、Brentuximab、Gemtuzumab、Bivatuzumab、Lorvotuzumab、cBR96,以及Glematumamab或Glembatumumab;例如,Trastuzumab具有选自下列的序列:轻链DIQMTQSPSSLSASVGDRVTITCRASQDVNTAVAWYQQKPGKAPKLLIYSASFLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQHYTTPPTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGECSEQ ID NO:1重链EVQLVESGGGLVQPGGSLRLSCAASGFNIKDTYIHWVRQAPGKGLEWVARIYPTNGYTRYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCSRWGGDGFYAMDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKSEQ ID NO:2Pertuzumab具有选自下列的序列:轻链DIQMTQSPSSLSASVGDRVTITCKASQDVSIGVAWYQQKPGKAPKLLIYSASYRYTGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCQQYYIYPYTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGECSEQ ID NO.3重链EVQLVESGGGLVQPGGSLRLSCAASGFTFTDYTMDWVRQAPGKGLEWVADVNPNSGGSIYNQRFKGRFTLSVDRSKNTLYLQMNSLRAEDTAVYYCARNLGPSFYFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKSEQ ID NO.4Nimotuzumab具有选自下列的序列:轻链DIQMTQSPSSLSASVGDRVTITCRSSQNIVHSNGNTYLDWYQQTPGKAPKLLIYKVSNRFSGVPSRFSGSGSGTDFTFTISSLQPEDIATYYCFQYSHVPWTFGQGTKLQITREVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGECSEQ ID NO:5重链QVQLQQSGAEVKKPGSSVKVSCKASGYTFTNYYIYWVRQAPGQGLEWIGGINPTSGGSNFNEKFKTRVTITVDESTNTAYMELSSLRSEDTAFYFCARQGLWFDSDGRGFDFWGQGSTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKSEQ ID NO:6以下为Patritumab的序列轻链DIEMTQSPDSLAVSLGERATINCRSSQSVLYSSSNRNYLAWYQQNPGQPPKLLIYWASTRESGVPDRFSGSGSGTDFTLTISSLQAEDVAVYYCQQYYSTPRTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGECSEQ ID NO:7重链QVQLQQWGAGLLKPSETLSLTCAVYGGSFSGYYWSWIRQPPGKGLEWIGEINHSGSTNYNPSLKSRVTISVETSKNQFSLKLSSVTAADTAVYYCARDKWTWYFDLWGRGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKSEQ ID NO:8。
- 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物、其连接子或连接子-药物选自下列中的一种:其中,u、v、w彼此独立地选自0~10的整数(如0、1、2、3、4、5、6、7、8、9或10),G具有权利要求1-23任一项所述的定义,LG具有权利要求1-23任一项所述的Tp的定义;R20、R20’相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基,或R20、R20’与其连接的碳原子一起形成C3-6环烷基;例如,所述C1-4烷基可以独立地选自甲基、乙基、丙基、异丙基、丁基、异丁基或叔丁基;所述C3-6环烷基可以独立地选自环丙基、环丁基、环戊基或环己基;例如,R20和R20’中的两个均为H,或一个不为H,或两个均不为H:
- 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物具有如下式所示的结构:
其中,A、R1、R2、R3、R4、R6、R7、R11、R12、L1、L2、Tp具有如权利要求1-23任一项所述的定义。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物具有如下式所示的结构:
其中,A、R1、R2、R3、R4、R7、R11、R12、L1、L2、Tp具有如权利要求1-13任一项所述的定义。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物具有如下式所示的结构:
其中,R11、R12、L1、L2、Tp具有如权利要求1-13任一项所述的定义。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物选自如下中的一种:
其中,R11、R12相同或不同,彼此独立地具有如权利要求1-23任一项所述的定义;例如,R11、R12相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基,或R11、R12与其连接的碳原子一起形成C3-6环烷基;例如,所述C1-4烷基可以独立地选自甲基、乙基、丙基、异丙基、丁基、异丁基或叔丁基;所述C3-6环烷基可以独立地选自环丙基、环丁基、环戊基或环己基;例如,R11和R12中的两个均为H,或一个不为H,或两个均不为H;R16、R16’彼此独立地具有权利要求14所述的定义;mAb代表单克隆抗体;y代表每个单抗上连接小分子药物的平均数量(DAR),其可以选自整数或小数,如选自1~50的整数或小数、1~20的整数或小数或1~10的整数或小数。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物具有如下式所示的结构:
其中,R11、R12、L1、L2、Tp具有如权利要求1-23任一项所述的定义。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物选自如下中的一种:
其中,R11、R12彼此独立地具有如权利要求1-23任一项所述的定义;例如,R11、R12相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基,或R11、R12与其连接的碳原子一起形成C3-6环烷基;例如,所述C1-4烷基可以独立地选自甲基、乙基、丙基、异丙基、丁基、异丁基或叔丁基;所述C3-6环烷基可以独立地选自环丙基、环丁基、环戊基或环己基;例如,R11和R12中的两个均为H,或一个不为H,或两个均不为H;R16、R16’彼此独立地具有权利要求14所述的定义;mAb代表单克隆抗体;y代表每个单抗上连接小分子药物的平均数量(DAR),其可以选自整数或小数,如选自1~50的整数或小数、1~20的整数或小数或1~10的整数或小数。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物具有如下式所示的结构:
其中,R11、R12彼此独立地具有如权利要求1-23任一项所述的定义;例如,R11、R12相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基,或R11、R12与其连接的碳原子一起形成C3-6环烷基;例如,所述C1-4烷基可以独立地选自甲基、乙基、丙基、异丙基、丁基、异丁基或叔丁基;所述C3-6环烷基可以独立地选自环丙基、环丁基、环戊基或环己基;例如,R11和R12中的两个均为H,或一个不为H,或两个均不为H;L1、L2、Tp彼此独立地具有如权利要求1-23任一项所述的定义。 - 如权利要求1-23任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物选自如下中的一种:
其中,R11、R12彼此独立地具有如权利要求1-23任一项所述的定义;例如,R11、R12相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基,或R11、R12与其连接的碳原子一起形成C3-6环烷基;例如,所述C1-4烷基可以独立地选自甲基、乙基、丙基、异丙基、丁基、异丁基或叔丁基;所述C3-6环烷基可以独立地选自环丙基、环丁基、环戊基或环己基;例如,R11和R12中的两个均为H,或一个不为H,或两个均不为H;R16、R16’彼此独立地具有权利要求14所述的定义;mAb代表单克隆抗体;y代表每个单抗上连接小分子药物的平均数量(DAR),其可以选自整数或小数,如选自1~50的整数或小数、1~20的整数或小数或1~10的整数或小数。 - 如权利要求1-32任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述偶联物选自如下中的一种:y代表每个单抗上连接小分子药物的平均数量(DAR),其可以选自整数或小数,如选自1~50的整数或小数、1~20的整数或小数或1~10的整数或小数;
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;或R选自R’选自-H;
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;或R选自R’选自-H;
其中,R选自-H,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-H,R’选自-H;R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R选自-CH3,R’选自-H;R选自-H,R’选自-CH3;R选自R’选自-H;或R选自-H,R’选自
其中,R=-H,R’=-H;R=-CH3,R’=-H;R=-H,R’=-CH3;R’=-H;或R=-H,
其中,R=-H,R’=-H;R=-CH3,R’=-H;或R=-H,R’=-CH3;
其中,R=-H,R’=-CH3;或R=-CH3,R’=-H;
其中,R=-H,R’=-H;R=-CH3,R’=-H;R’=-H;或R=-H,
其中,R=-H,R’=-H;R=-CH3,R’=-H;R=-H,R’=-CH3;R’=-H;或R=-H,
- 如权利要求1-33任一项所述的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐的制备方法,第一步:提供如L1’—L2—L3—L4—L5’(L’)所示的连接子;优选地,上述连接子中,L4-L5’为:-NRz1-C(Rz2Rz3)-TL-的羧酸形式或活性酯形式;其中:Rz1为H或C1-4烷基;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;进一步优选地:L4-L5’为:-NRz1-C(Rz2Rz3)-O-(CH2)m-C(Rz4Rz5)-CO-的羧酸形式或活性酯形式;其中:Rz1为H或C1-4烷基;m为0-4的整数;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基;第二步:连接子与式(G’)的中间体化合物进行偶联反应,获得L1’—L2—L3—L4—L5-G(C’)的偶联中间体;其中式(G’)的中间体结构为:
其中,A、B、TL、R1、R2、R3、R4、R5、R6、L1’、L1、L2、L3、L4、L5、L5’独立地具有如权利要求1-33任一项所述的定义;优选地,所述制备方法还包括将式(C’)的偶联中间体与靶向部分Tp偶联的第三步;任选地,如果需要,还可以将反应底物的官能团使用本领域已知的保护基团保护,以使反应顺利进行并在反应结束后脱去保护基团。 - 如下式(GH)所示的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐:
其中,T选自H-TL;TL、A、B、R1、R2、R3、R4、R5、R6、z彼此独立地具有如权利要求1-32任一项所述的定义。 - 如权利要求35所述的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中式(GH)所示的化合物可以选自如下式(GH-1)所示的化合物:
其中,RA、B、T、R1、R2、R3、R6独立地具有如权利要求35所述的定义。 - 如权利要求35所述的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中式(GH)所示的化合物可以选自如下式(GH-2)或(GH-3)所示的化合物:
其中,RA、B、T、R1、R2、R3、R6独立地具有如权利要求1-32任一项所述的定义。 - 如权利要求35所述的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,其中所述化合物选自下列化合物:
- 如权利要求35-38任一项所述的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐的制备方法,所述方法包括将式(i)化合物与式(ii)化合物反应的步骤:
其中,A、B、T、R1、R2、R3、R4、R5、R6、z独立地具有如权利要求35-38任一项所述的定义;LE代表反应后脱去或离去的基团。 - 权利要求35中的式(ii)化合物的制备方法,所述方法包括将式(iii)化合物与式(iv)化合物反应得到式(v)化合物步骤:
其中,A、B、R1、R2、R3、R4、R5、R6、z独立地具有如权利要求35-38任一项所述的定义;R21选自H或保护基团,优选氨基保护基团。 - 式(iii)所示的化合物:
其中,R5、R6、z独立地具有如权利要求35-38任一项所述的定义。 - 式(v)所示的化合物:
其中,A、B、R1、R2、R3、R4、R5、R6、R21、z独立地具有如权利要求35-38任一项所述的定义。 - 如下结构的偶联物:
Tp—L—D (D)其中Tp为靶向部分;D为生物活性分子片段,优选具有抗肿瘤生物活性的分子片段;其中L选自式(L)所示的连接子:
#L1—L2—L3—L4—L5* (L)其中L1是与靶向部分Tp的连接部分,由反应基团L1’和靶向部分Tp形成,#代表与Tp部分的连接位点;L2不存在或为L1和L3的间隔部分;L3为肽部分;L4为不存在或为肽部分与L5的间隔部分;L5为L4与生物活性分子D的连接部分,由反应基团L5’与生物活性分子反应生成,*代表与生物活性分子D的连接位点;优选地,L1’、L1、L2、L3、L4、L5、L5’为权利要求14-22任一项所定义;条件如下:条件I:L如上定义的各片段之间插入如下的亲水部分:亲水部分:或条件II:L1由选自马来酰亚胺基团或取代马来酰亚胺基团的巯基反应基团偶联Tp生成;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的空间位阻部分:空间位阻部分:或条件III:L1由选自Hal-Het-的巯基反应基团偶联Tp生成;L4-L5为:-NRz1-C(Rz2Rz3)-TL-;其中:Rz1为H或C1-4烷基;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;TL如权利要求1-13任一项所定义;在进一步的实施方案中,L1由选自马来酰亚胺基团或Hal-Het-的巯基反应基团偶联Tp生成;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的亲水部分:亲水部分:在进一步的实施方案中:L1由选自Hal-Het-的巯基反应基团偶联Tp生成;L4-L5为:-NRz1-C(Rz2Rz3)-O-(CH2)m-C(Rz4Rz5)-CO-;其中:Rz1为H或C1-4烷基;m为0-4的整数;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基。或条件IV:L1-L2由如下结构的L1’-L2偶联Tp生成:
q为选自0~10的整数,优选1、2、3、4、5、6、7或8;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基,其中Rz4或Rz5至少一个不为H;进一步优选Rz4或Rz5一起形成C3-6环烷基;L1-L2最优选由偶联Tp生成。 - 如权利要求43所述的偶联物,其中生物活性分子D是中国、美国或欧洲药典记载的或其他出版物公开的具有生物活性或潜在生物活性的化合物;所述药物可以选自细胞毒性药物、细胞生长抑制药物或免疫抑制药物,优选抗微管蛋白剂、微管蛋白抑制剂、DNA小沟结合剂、DNA复制抑制剂、烷化剂、抗生素、抗叶酸剂、抗代谢剂、化疗增敏剂、拓扑异构酶抑制剂、长春花生物碱等;进一步优选奥瑞他汀、喜树碱、多卡米星、依托泊苷、美登素和美登木素生物碱、紫杉烷、苯二氮类或含苯二氮类药物和长春花生物碱。
- 一种药物组合物,所述药物组合物包含选自下列中的至少一种:权利要求1-33任一项所述的式(C)所示的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐;和/或权利要求35-38任一项所述的式(GH)所示的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐;和/或权利要求43-44任一项所述的式(D)所示的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐优选地,所述药物组合物中的所述式(GH)所示的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,所述式(C)或(D)所示的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐以治疗有效量存在。
- 权利要求35-38任一项所述的式(GH)所示的化合物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐,或权利要求1-33任一项所述的式(C)所示的偶联物或权利要求43-44任一项所述的式(D)所示的偶联物、其立体异构体、消旋体、互变异构体、同位素体、同位素标记物、氮氧化物或药学上可接受的盐的用途,其用于预防和/或治疗疾病或病症和/或制备药物;优选地,所述疾病或病症可以选自肿瘤,例如实体瘤或血液学癌症。
- 如权利要求46所述的用途,其中所述药物用于预防和/或治疗疾病或病症;优选地,所述疾病或病症可以选自肿瘤,例如实体瘤或血液学癌症;所述实体瘤选自各种器官系统的恶性肿瘤,例如,肉瘤、腺癌、胚细胞瘤、和癌,如影响肝、肺、乳腺、淋巴、胆肠(例如,结肠)、泌尿生殖道(例如,肾、尿路上皮细胞)、前列腺和咽的那些。腺癌包括如大多数结肠癌、直肠癌、肾细胞癌、肝癌、小细胞肺癌、非小细胞肺癌、小肠癌和食道癌的恶性肿瘤;所述血液学癌症选自白血病、淋巴瘤、以及影响血液、骨髓和淋巴系统的恶性淋巴组织增生性病症。
- 连接子与药物的结合物,具有如下的结构:
L1’—L2—L3—L4—L5-G(C’)其中:G为权利要求1-13任一项所定义;L1’、L2、L3、L4、L5为权利要求14-22任一项所定义。 - 如权利要求4所述的连接子与药物的结合物,其中所述结合物选自如下中的一种:
- 连接子与药物的结合物,具有如下的结构:
L1’—L2—L3—L4—L5-D其中,L1’、L2、L3、L4、L5如权利要求14-22所定义,D如权利要求43-44所定义,条件是:条件I:如上定义的各片段之间,优选在L1’与L2之间、或L2与L3之间或以替代L2的形式插入如下的亲水部分:亲水部分:或条件II:L1’为选自马来酰亚胺基团或取代的马来酰亚胺基团的巯基反应基团;在L1’与L2之间、或L2与L3之间或以替代L2的形式含有如下的空间位阻部分:空间位阻部分:或条件III:L1’为选自Hal-Het-的巯基反应基团;L4-L5为:-NRz1-C(Rz2Rz3)-TL-;其中:Rz1为H或C1-4烷基;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;TL为如上定义;或条件IV:L1’-L2为如下结构:
q为选自0~10的整数,优选1、2、3、4、5、6、7或8;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基,其中Rz4或Rz5至少一个不为H;进一步优选Rz4或Rz5一起形成C3-6环烷基;L1’-L2最优选为: - 如权利要求50所述的连接子与药物的结合物,其中:L1’为选自马来酰亚胺基团、取代马来酰亚胺基团的或Hal-Het-的巯基反应基团;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的亲水部分:亲水部分:
- 如权利要求50所述的连接子与药物的结合物,其中:L1’为选自马来酰亚胺基团或取代的马来酰亚胺基团的巯基反应基团;在L1与L2之间、或L2与L3之间或以替代L2的形式含有如下的空间位阻部分:空间位阻部分:
- 如权利要求50所述的连接子与药物的结合物,其中:L1’为选自Hal-Het-的巯基反应基团;L4-L5为:-NRz1-C(Rz2Rz3)-O-(CH2)m-C(Rz4Rz5)-CO-;其中:Rz1为H或C1-4烷基;m为0-4的整数;Rz2和Rz3相同或不同,彼此独立地选自H或C1-4烷基;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基。
- 如权利要求50所述的连接子与药物的结合物,其中:L1’-L2为如下结构:
q为选自0~10的整数,优选1、2、3、4、5、6、7或8;Rz4和Rz5相同或不同,彼此独立地选自H、C1-4烷基、C3-6环烷基、C3-6环烷基-C1-4烷基或Rz4或Rz5一起形成C3-6环烷基,其中Rz4或Rz5至少一个不为H;进一步优选Rz4或Rz5一起形成C3-6环烷基;L1’-L2最优选为:
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025242090A1 (zh) * | 2024-05-21 | 2025-11-27 | 康诺亚生物医药科技(成都)有限公司 | 喜树碱衍生物及其中间体的制备方法 |
| WO2026078163A1 (en) * | 2024-10-10 | 2026-04-16 | Astrazeneca Ab | Conjugates comprising linkers |
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