CN100519528C - 具有镇痛作用的化合物 - Google Patents
具有镇痛作用的化合物 Download PDFInfo
- Publication number
- CN100519528C CN100519528C CNB2004100082366A CN200410008236A CN100519528C CN 100519528 C CN100519528 C CN 100519528C CN B2004100082366 A CNB2004100082366 A CN B2004100082366A CN 200410008236 A CN200410008236 A CN 200410008236A CN 100519528 C CN100519528 C CN 100519528C
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- China
- Prior art keywords
- compound
- alkyl
- formula
- cycloalkyl
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 158
- 230000000202 analgesic effect Effects 0.000 title description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 208000002193 Pain Diseases 0.000 claims abstract description 8
- 230000036407 pain Effects 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 95
- 238000000034 method Methods 0.000 claims description 85
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 45
- -1 R 21 Chemical compound 0.000 claims description 43
- 229910052757 nitrogen Inorganic materials 0.000 claims description 43
- 239000002904 solvent Substances 0.000 claims description 42
- 229910052739 hydrogen Inorganic materials 0.000 claims description 41
- 239000001257 hydrogen Substances 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 125000001072 heteroaryl group Chemical group 0.000 claims description 32
- 125000001424 substituent group Chemical group 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 27
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 24
- 229910052717 sulfur Inorganic materials 0.000 claims description 23
- 229910052736 halogen Inorganic materials 0.000 claims description 20
- 150000002367 halogens Chemical class 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 125000004429 atom Chemical group 0.000 claims description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 19
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- 125000006727 (C1-C6) alkenyl group Chemical group 0.000 claims description 10
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical group C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 10
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical group C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 9
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 8
- 125000005119 alkyl cycloalkyl group Chemical group 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 150000002576 ketones Chemical class 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 6
- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- 125000002524 organometallic group Chemical group 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 201000010099 disease Diseases 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 claims description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- 125000004434 sulfur atom Chemical group 0.000 claims description 4
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical group [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 208000020339 Spinal injury Diseases 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 229940095064 tartrate Drugs 0.000 claims description 2
- 238000005984 hydrogenation reaction Methods 0.000 claims 2
- 125000005493 quinolyl group Chemical group 0.000 claims 2
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 210000001035 gastrointestinal tract Anatomy 0.000 claims 1
- 125000004415 heterocyclylalkyl group Chemical group 0.000 claims 1
- 150000003053 piperidines Chemical group 0.000 claims 1
- 208000016702 sympathetic nervous system disease Diseases 0.000 claims 1
- 239000008194 pharmaceutical composition Substances 0.000 abstract description 5
- 238000002560 therapeutic procedure Methods 0.000 abstract description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 99
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 96
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical group C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 85
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 63
- 238000005481 NMR spectroscopy Methods 0.000 description 55
- 239000000243 solution Substances 0.000 description 53
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 44
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 40
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 29
- 239000000047 product Substances 0.000 description 29
- 239000002585 base Substances 0.000 description 26
- 239000012043 crude product Substances 0.000 description 25
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 22
- 239000012267 brine Substances 0.000 description 22
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 22
- 230000008569 process Effects 0.000 description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 20
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 20
- 235000019341 magnesium sulphate Nutrition 0.000 description 20
- 239000011541 reaction mixture Substances 0.000 description 18
- 150000003840 hydrochlorides Chemical class 0.000 description 17
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 150000002431 hydrogen Chemical class 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
- 235000019270 ammonium chloride Nutrition 0.000 description 12
- SMUGAZNLKPFBSB-UHFFFAOYSA-N n,n-diethyl-4-[phenyl(piperidin-4-ylidene)methyl]benzamide Chemical compound C1=CC(C(=O)N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1CCNCC1 SMUGAZNLKPFBSB-UHFFFAOYSA-N 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 239000000843 powder Substances 0.000 description 11
- 230000004044 response Effects 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 10
- WGLUMOCWFMKWIL-UHFFFAOYSA-N dichloromethane;methanol Chemical compound OC.ClCCl WGLUMOCWFMKWIL-UHFFFAOYSA-N 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 10
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 8
- 229910052794 bromium Inorganic materials 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 239000012044 organic layer Substances 0.000 description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 7
- 241001465754 Metazoa Species 0.000 description 7
- 229960001413 acetanilide Drugs 0.000 description 7
- 239000000908 ammonium hydroxide Substances 0.000 description 7
- 239000003446 ligand Substances 0.000 description 7
- 229910000027 potassium carbonate Inorganic materials 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 241000700159 Rattus Species 0.000 description 6
- 239000007983 Tris buffer Substances 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 210000002683 foot Anatomy 0.000 description 6
- 210000004209 hair Anatomy 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 239000012074 organic phase Substances 0.000 description 6
- 125000006239 protecting group Chemical group 0.000 description 6
- 239000002287 radioligand Substances 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- 239000003826 tablet Substances 0.000 description 6
- DYHSDKLCOJIUFX-UHFFFAOYSA-N tert-butoxycarbonyl anhydride Chemical compound CC(C)(C)OC(=O)OC(=O)OC(C)(C)C DYHSDKLCOJIUFX-UHFFFAOYSA-N 0.000 description 6
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 6
- VRGXOXPEPQLCSM-UHFFFAOYSA-N 4-[(2,6-dimethylphenyl)-piperidin-4-ylidenemethyl]-n,n-diethylbenzamide Chemical compound C1=CC(C(=O)N(CC)CC)=CC=C1C(C=1C(=CC=CC=1C)C)=C1CCNCC1 VRGXOXPEPQLCSM-UHFFFAOYSA-N 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 238000003820 Medium-pressure liquid chromatography Methods 0.000 description 5
- 239000002775 capsule Substances 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- CPHAHFDIIAGWSH-UHFFFAOYSA-N n,n-diethyl-4-[naphthalen-1-yl(piperidin-4-ylidene)methyl]benzamide Chemical compound C1=CC(C(=O)N(CC)CC)=CC=C1C(C=1C2=CC=CC=C2C=CC=1)=C1CCNCC1 CPHAHFDIIAGWSH-UHFFFAOYSA-N 0.000 description 5
- YGBMCLDVRUGXOV-UHFFFAOYSA-N n-[6-[6-chloro-5-[(4-fluorophenyl)sulfonylamino]pyridin-3-yl]-1,3-benzothiazol-2-yl]acetamide Chemical compound C1=C2SC(NC(=O)C)=NC2=CC=C1C(C=1)=CN=C(Cl)C=1NS(=O)(=O)C1=CC=C(F)C=C1 YGBMCLDVRUGXOV-UHFFFAOYSA-N 0.000 description 5
- 239000011877 solvent mixture Substances 0.000 description 5
- 230000009870 specific binding Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- BRAQYUZYDPJYAJ-UHFFFAOYSA-N tert-butyl 4-[bromo-[4-(diethylcarbamoyl)phenyl]methylidene]piperidine-1-carboxylate Chemical compound C1=CC(C(=O)N(CC)CC)=CC=C1C(Br)=C1CCN(C(=O)OC(C)(C)C)CC1 BRAQYUZYDPJYAJ-UHFFFAOYSA-N 0.000 description 5
- VIJSPAIQWVPKQZ-BLECARSGSA-N (2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid Chemical compound NC(=N)NCCC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(C)=O VIJSPAIQWVPKQZ-BLECARSGSA-N 0.000 description 4
- FEJUGLKDZJDVFY-UHFFFAOYSA-N 9-borabicyclo(3.3.1)nonane Chemical compound C1CCC2CCCC1B2 FEJUGLKDZJDVFY-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- AVYVHIKSFXVDBG-UHFFFAOYSA-N N-benzyl-N-hydroxy-2,2-dimethylbutanamide Chemical compound C(C1=CC=CC=C1)N(C(C(CC)(C)C)=O)O AVYVHIKSFXVDBG-UHFFFAOYSA-N 0.000 description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- 101100244562 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) oprD gene Proteins 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000006069 Suzuki reaction reaction Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000027455 binding Effects 0.000 description 4
- 229910052792 caesium Inorganic materials 0.000 description 4
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 108700023159 delta Opioid Receptors Proteins 0.000 description 4
- 102000048124 delta Opioid Receptors Human genes 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- GHOMPHXKTJFWCV-UHFFFAOYSA-N n,n-diethyl-4-iodobenzamide Chemical compound CCN(CC)C(=O)C1=CC=C(I)C=C1 GHOMPHXKTJFWCV-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 4
- 230000037361 pathway Effects 0.000 description 4
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- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- KNXQDJCZSVHEIW-UHFFFAOYSA-N (3-fluorophenyl)boronic acid Chemical compound OB(O)C1=CC=CC(F)=C1 KNXQDJCZSVHEIW-UHFFFAOYSA-N 0.000 description 3
- MPDDTAJMJCESGV-CTUHWIOQSA-M (3r,5r)-7-[2-(4-fluorophenyl)-5-[methyl-[(1r)-1-phenylethyl]carbamoyl]-4-propan-2-ylpyrazol-3-yl]-3,5-dihydroxyheptanoate Chemical compound C1([C@@H](C)N(C)C(=O)C2=NN(C(CC[C@@H](O)C[C@@H](O)CC([O-])=O)=C2C(C)C)C=2C=CC(F)=CC=2)=CC=CC=C1 MPDDTAJMJCESGV-CTUHWIOQSA-M 0.000 description 3
- YQOLEILXOBUDMU-KRWDZBQOSA-N (4R)-5-[(6-bromo-3-methyl-2-pyrrolidin-1-ylquinoline-4-carbonyl)amino]-4-(2-chlorophenyl)pentanoic acid Chemical compound CC1=C(C2=C(C=CC(=C2)Br)N=C1N3CCCC3)C(=O)NC[C@H](CCC(=O)O)C4=CC=CC=C4Cl YQOLEILXOBUDMU-KRWDZBQOSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 3
- LFOIDLOIBZFWDO-UHFFFAOYSA-N 2-methoxy-6-[6-methoxy-4-[(3-phenylmethoxyphenyl)methoxy]-1-benzofuran-2-yl]imidazo[2,1-b][1,3,4]thiadiazole Chemical compound N1=C2SC(OC)=NN2C=C1C(OC1=CC(OC)=C2)=CC1=C2OCC(C=1)=CC=CC=1OCC1=CC=CC=C1 LFOIDLOIBZFWDO-UHFFFAOYSA-N 0.000 description 3
- XASOHFCUIQARJT-UHFFFAOYSA-N 8-methoxy-6-[7-(2-morpholin-4-ylethoxy)imidazo[1,2-a]pyridin-3-yl]-2-(2,2,2-trifluoroethyl)-3,4-dihydroisoquinolin-1-one Chemical compound C(N1C(=O)C2=C(OC)C=C(C=3N4C(=NC=3)C=C(C=C4)OCCN3CCOCC3)C=C2CC1)C(F)(F)F XASOHFCUIQARJT-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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Abstract
本申请公开并要求式(I)化合物、它们的药学上可接受的盐、含有这些新化合物的药用组合物以及它们在治疗中的用途,特别是在疼痛治疗中的用途。
Description
本申请是申请日为1997年12月9日,中请号为97181814.2(PCT/SE97/02050),发明名称为“具有镇痛作用的新化合物”的发明专利申请的分案申请。
本发明的领域
本发明涉及新的化合物、它们的制备方法、它们的用途以及含有这些新化合物的药用组合物。这些新化合物可以用于治疗中,特别可以用于治疗疼痛。
背景和现有技术
人们已经证明δ受体在多种体内功能如循环系统和痛感系统中具有作用。因此,δ受体的配体作为镇痛剂和/或作为抗高血压药物可能具有潜在用途。人们也已经证明δ受体的配体具有免疫调节活性。
目前人们已经确定至少存在三种不同的阿片样受体(μ、δ和K),在包括人类的多种种属的中枢和外周神经系统中均明显存在所有这三种受体。在各种动物模型中,当这些受体中的一种或多种被激活时,即可观察到镇痛作用。
除少数例外,目前可获得的选择性阿片δ配体在性质上均为肽类(peptidic),因此不适合系统途径给药。一段时间以来人们已经可以得到一些非肽类δ拮抗剂(见Takemori和Portoghese,1992,Ann.Rev.Pharmacol.Tox.,32:239-269,综述)。与μ受体结合相比,这些化合物如naltrindole对δ受体具有较差的选择性(即<10倍),并不显示镇痛活性,由于这样一个事实奠定了人们对开发高选择性非肽类δ配体的需要。
因此,本发明的基本问题是寻找不仅具有增强的镇痛作用、而且具有优于目前的μ拮抗剂的改善的副作用模式和潜在的口服效能的新化合物。
已经鉴定的、现有领域存在的镇痛剂具有许多缺点,如当通过系统途径给药时,它们的药代动力学特性较差,且不具有镇痛作用。而且,据文献记载现有领域描述的优选的化合物当系统给药时,它们显示显著的惊厥作用。
通过开发新的具有环外双键的哌啶环化合物(如下述)可以解决上述问题。
本发明概述
根据本发明的新化合物由通式(I)定义:
其中
R1选自
氢、支链或直链C1-C6烷基、C1-C6链烯基、C3-C8环烷基、C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;
C6-C10芳基;或具有5-10个选自C、S、N和O原子的杂芳基;其中所述芳基和杂芳基可任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)pCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)pNR5R4、-(CH2)pCH3(CH2)pSOR5R4、-(CH2)pSO2R5和-(CH2)pSO2NR5,其中R4和R5各自独立与上述R1定义相同,p为0、1或2;
(C1-C2烷基)-(C6-C10芳基);或(C1-C2烷基)杂芳基,所述杂芳基具有5-10个选自C、S、N和O的原子,且其中所述芳基或杂芳基可任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)qCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)qNR5R4、-(CH2)qCH3(CH2)qSOR5R4、-(CH2)qSO2R5、-(CH2)qSO2NR5和(-CH2)pOR5,其中R4和R5各自独立与上述R1定义相同,q为0、1或2;和
其中R18、R19、R20、R21、R22、R23、R24和R25各自独立为氢、C1-C6烷基或C1-C6链烯基;
R2和R3各自独立为氢或C1-C6烷基;
A选自
其中R8、R9、R10、R11、R12、R13、R14、R15、R16和R17各自独立与上述R1定义相同,且其中每个A取代基的苯环可任选并独立在苯环的任何位置由1个或2个独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中R6和R7各自独立与上述R1定义相同,r为0、1或2;
Q为C5-C6加氢芳基(hydroaryl)或具有5个或6个选自C、S、N和O的原子的加氢杂芳基(heterohydroaromatic);C5-C6环烷基或具有5个或6个选自C、S、N和O原子的杂环烷基;且其中每个Q可任选被上述定义的Z1和Z2取代基取代;
B为具有5-10个选自C、S、N和O原子的取代或未取代的芳基、杂芳基、加氢芳基或加氢杂芳基,任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)tCF3、卤素、-(CH2)tCONR5R4、-(CH2)tNR5R4、-(CH2)tCOR5、-(CH2)tCOOR5、(-CH2)tSOR5、-OR5、-(CH2)tSO2R5和-(CH2)tSO2NR5R4,其中R4和R5各自独立与上述R1定义相同,t为0、1、2或3;R4和R5各自独立与上述R1定义相同。
式(I)化合物的药学上可接受的盐及其异构体、水合物、异型(isoforms)和前体药物也包括在本发明范围内。
根据本发明优选的化合物为这样的式(I)化合物,其中A选自
其中R8、R9、R10、R11、R12、R13、R14、R15、R16和R17各自独立与上述R1定义相同,且其中每个A取代基的苯环可任选并独立在苯环的任何位置由1个或2个各自独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中R6和R7各自独立与上述R1定义相同,r为0、1或2;
Q选自吗啉、哌啶和吡咯烷;
R1、R4和R5各自独立选自氢、支链或直链C1-C4烷基、C3-C5环烷基、C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;C6-C10芳基;和具有5-6个选自C、S、N和O原子的杂芳基;其中所述芳基和杂芳基可任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)pCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)pNR5R4、-(CH2)pCH3(CH2)pSOR5R4、-(CH2)pSO2R5和-(CH2)pSO2NR5,其中R4和R5各自独立与上述R1定义相同,p为0、1或2;
B选自苯基、萘基、吲哚基、苯并呋喃基、二氢苯并呋喃基、苯并噻吩基、吡咯基、呋喃基、喹啉基、异喹啉基、环己基、环己烯基、环戊基、环戊烯基、2,3-二氢化茚基、茚基、四氢萘基、四氢喹啉基(tetrahydroquinyl)、四氢异喹啉基、四氢呋喃基、吡咯烷基和吲唑啉基,每个任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、CF3、卤素、-(CH2)qCONR5R4、-(CH2)qNR5R4、-(CH2)qCOR5、-(CH2)qCO2R5和-OR5,其中q为0或1,R4和R5与上述定义相同;
R2和R3各自独立为氢或甲基。
根据本发明特别优选的化合物为这样的式(I)化合物,其中
A为
其中R8和R9均为乙基,且其中所述苯环可任选并独立在苯环的任何位置由1个或2个各自独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中R6和R7各自独立与上述R1定义相同,r为0、1或2;
R1选自氢、甲基、乙基、-CH2CH=CH2-、-CH2-环丙基、-CH2-芳基或CH2-杂芳基,所述杂芳基具有5-6个选自C、S、N和O的原子;
B选自苯基、萘基、吲哚基、苯并呋喃基、二氢苯并呋喃基、苯并噻吩基、呋喃基、喹啉基、异喹啉基、环己基、环己烯基、环戊基、环戊烯基、2,3-二氢化茚基、茚基、四氢萘基、四氢喹啉基、四氢异喹啉基、四氢呋喃基和吲唑啉基,每个任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、CF3、卤素、-(CH2)qCONR5R4、-(CH2)qNR5R4、-(CH2)qCOR5、-(CH2)qCO2R5和-OR5,其中q为0或1,R4和R5与上述定义相同;
R2和R3各自独立为氢或甲基。
取代基A和B分别可任选在环的任何位置被取代。
“卤素”指氯、氟、溴和碘。
“芳基”指具有6-10个碳原子的芳环,如苯基和萘基。
“杂芳基”指所述环的5-10个原子中的一个或多个为不是碳的元素,如N、S和O的芳环。
“加氢芳基”指在环上具有5-10个碳原子的部分饱和或完全饱和的芳环结构。
“加氢杂芳基”指所述环的5-10个原子中的一个或多个为不是碳的元素,如N、S和O的部分饱和或完全饱和的芳环结构。
“异构体”指式(I)化合物的官能团位置和/或取向不同的化合物。
“取向”指立体异构体、非对映异构体、区域异构体和对映体。
“异型”指结晶晶格不同的式(I)化合物,如结晶化合物和无定形化合物。
“前体药物”指药理上可接受的衍生物,如酯和酰胺,该衍生物产生的生物转化产物为活性药物。参考Goodman和Gilmans的ThePharmacological basis of Therapeutics,第8版,McGraw-Hill,Int.编辑,1992,“Biotransformation of Drugs”第13-15页,对前体药物进行了一般的描述,在此引入作参考。
本发明的新化合物可以用于治疗中,特别是可以用于各种疼痛疾病的治疗,如慢性疼痛、急性疼痛、癌症疼痛、由类风湿性关节炎引起的疼痛、偏头痛、内脏疼痛等。然而不限于这些疼痛。
本发明的化合物可以用作免疫调节剂,特别是用于自身免疫疾病,如关节炎、皮肤移植、器官移植及类似的外科需要,如胶原病、各种过敏症、用作抗肿瘤药物和抗病毒药物。
本发明的化合物可以用于存在或涉及阿片受体变性或失调的疾病。这包括在诊断技术和造影应用中使用各种同位素标记的本发明的化合物,例如正电子放射X线断层照相术(PET)。
本发明的化合物可以用于治疗腹泻、抑郁症、尿失禁、各种精神疾病、咳嗽、肺水肿、各种胃肠疾病、脊柱损伤和药物滥用(包括治疗酒精、尼古丁、阿片和其它药物滥用)以及治疗交感神经系统疾病,如高血压。
本发明的化合物在一般麻醉和监测的麻醉护理应用中可以用作镇痛剂。常常将具有不同性质的药物联合使用以获得维持麻醉状态(如记忆缺失、镇痛、肌肉放松和镇静)所需作用的平衡。包括在该组合中的有吸入麻醉剂、催眠药(hypnotica)、抗焦虑药、神经肌肉阻滞剂和阿片类。
作为诊断剂可以使用本发明化合物的同位素标记形式。
本发明的范围也包括根据上述式(I)的任何化合物在治疗上述任何疾病的药物生产中的用途。
本发明的另一方面为治疗患有上述任何疾病的个体的方法,该方法包括给予需要此治疗的患者有效量的式(I)的化合物。
制备方法
可以根据下述制备本发明的化合物。
流程I
流程II
流程III
流程IV
如上述流程I和流程II所示,可以通过使羟基化合物(g)或(h)脱水获得式(I)化合物,在式(g)或(h)中,R1、R2、R3、A和B与上述式(I)定义相同。在布郎斯台德酸或路易斯酸如硫酸、盐酸、三氟乙酸、三氯化铝、二氯化锌等存在下,或者在金属氧化物如Al2O3、Cr2O3、TiO2、WO3、P2O5等存在下,或者在其它脱水剂如I2、二甲基亚砜、KHSO4、CuSO4、邻苯二甲酸酐等存在下,在无溶剂下或在溶剂如水、醇、酯、HMPA、二氯甲烷、甲苯、醚、酮、羧酸中或在溶剂混合物中,随后进行羟基化合物(g)或(h)的脱水,在式(g)或(h)中,R1、R2、R3、A和B与上述式(I)定义相同。
在由(g)和(h)制备(I)之后或制备过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern SyntheticReactions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的式(I)化合物的取代基R1、R2和R3以及A和B上的取代基进行修饰。
如流程I的途径a所示,通过使式(c)的酮(其中R1、R2和R3与式(I)中定义相同)和式(e)的化合物(其中A和B与式(I)定义相同,X为适当的基团如H、Cl、Br、I、OSO2R等)反应,可以得到上述所示的式(g)化合物。
在无溶剂下或在有机溶剂如THF、甲苯、醚、二甲基亚砜中,或者在溶剂混合物中,通过用适当的金属如镁、锂、锌、铜、铯等处理,或者用金属卤化物如SmI2、CrCl2等处理,或者用有机金属试剂如烷基卤化镁、烷基锂等处理,可以进行该反应。
在有机金属反应之后或反应过程中,可以本领域已知的方法(如March,J.,Advanced Organic Chemistry,第4版,John Wiley和Sons,1992中所述的方法)对上述定义的式(g)化合物的取代基R1、R2和R3以及A和B上的取代基进行修饰。
式(c)和(e)化合物可以由商业获得,或者根据本领域已知的方法(如March,J.,Advanced Organic Chemistry,第4版,John Wiley和Sons,1992中所述的方法)制备。
如流程II的途径b所示,通过使式(i)的酮(其中R1、R2和R3以及B与式(I)中定义相同)和式(j)的有机金属试剂(其中A与式(I)定义相同,M为适当的金属基团如镁、锂、锌、铜、铯等)反应,可以得到上述所示的式(h)化合物。该反应可以在无溶剂或在有机溶剂如THF、甲苯、醚、二甲基亚砜中或者在溶剂混合物中进行。
如流程II的途径c所示,通过使式(l)的羰基化合物(其中R1、R2和R3与式(I)中定义相同,X为适当的离去基团如Cl、Br、OH、OR、SR、NR2、N(OR’)R等)和式(j)和(k)的有机金属试剂(其中A和B与式(I)定义相同,M为适当的金属基团如镁、锂、锌、铜、铯等)反应,也可以获得上述所示的式(h)化合物。该反应可以在无溶剂或在有机溶剂如THF、甲苯、醚、二甲基甲酰胺、二氧六环、二甲基亚砜中或者在溶剂混合物中进行。
在有机金属反应之后或反应过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern SyntheticReactions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的式(h)化合物的R1、R2和R3以及A和B上的取代基进行修饰。
式(i)、(j)、(k)和(l)化合物可以由商业获得,或者根据本领域已知的方法(如March,J.,Advanced Organic Chemistry,第4版,John Wiley和Sons,1992中所述的方法)制备。
如上述流程III所示,在碱如碳酸钠、碳酸钾、磷酸钾、三乙胺、氟化铯、氢氧化钠或醇化物以及钯催化剂如(PPh3)4Pd、双(二亚苄基丙酮)钯(O)、钯炭和三苯膦存在下,由乙烯基卤化物(o)(X=Br、I)与硼酸、硼酸酯(p)进行Suzuki偶合,可以获得上述式(I)化合物,其中R1、R2、R3、A和B与上述式(I)定义相同,也可以用作催化剂的Pd(II)类化合物包括(PPh3)2PdCl2、1,4-双(二苯基膦基丁烷)氯化钯(II)、乙酸钯、双(乙腈)氯化钯(II)、二氯[1,1’-双(二苯基膦基)二茂铁]钯(II)以及乙酸钯-三(O-甲苯基)膦。该Suzuki偶合反应可以在甲苯、二甲苯、苯甲醚、二甲基甲酰胺、四氢呋喃、醇、醚、水中或者在溶剂混合物中进行。
式(p)的化合物(其中B与式(I)定义相同,Z为B(OH)2)可以由商业获得,或者通过硼酸酯的水解制备。式(p)的化合物(其中B与式(I)定义相同,Z为B(OR)2(R=Me,Et))可以由式B-M的化合物和B(OR)3(其中R=Me或Et,M为适当的金属基团如锂或镁等)反应制备。式(p)的化合物(其中B与式(I)定义相同,Z为9-硼杂双环[3.3.1]壬烷(9-BBN))可以由烷-1-炔与硼杂双环[3.3.1]壬烷反应制备。
在由(o)和(p)制备(I)之后或制备过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern SyntheticReactions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的式(I)化合物的取代基R1、R2和R3以及A和B上的取代基进行修饰。
如流程III所示,其中X为Br或I的式(o)化合物可以通过使式(n)的烯(其中R1、R2、R3和A与上述式(I)定义相同)进行卤化和消除反应制备。该卤化反应可以在溶剂如二氯甲烷、氯仿、四氯化碳、二氯乙烷或乙酸中进行,用溴或碘作为卤化剂。随后在溶剂如水、醇、二甲基甲酰胺或醚中,用碱如氢氧化钠、氢氧化钾、金属醇化物或三乙胺完成消除反应步骤。
如流程III所示,由式(c)酮(其中R1、R2和R3与式(I)中定义相同)和式(m)的试剂(其中A与式(I)定义相同,Y为适当的膦酸盐或鎓盐)进行Witting反应,可以制备上述所示的式(n)化合物。该Witting反应可以在各种本领域已知的条件下和文献(如March,J.,Advanced OrganicChemistry,第4版,John Wiley和Sons,1992中所述的方法)所示的条件下进行。
式(c)和(m)的试剂可以由商业获得,或者根据本领域已知的方法(如March,J.,Advanced Organic Chemistry,第4版,John Wiley和Sons,1992中所述的方法)制备。
如上述流程IV所示,可以通过使羟基化合物(t)脱水获得式(u)化合物,在式(t)中,R1、R2、R3、R12、R13和B与上述定义相同。在布郎斯台德酸或路易斯酸如硫酸、盐酸、三氟乙酸、三氯化铝、二氯化锌等存在下,或者在金属氧化物如Al2O3、Cr2O3、TiO2、WO3、P2O5等存在下,或者在其它脱水剂如I2、二甲基亚砜、KHSO4、CuSO4、邻苯二甲酸酐等存在下,在无溶剂下或在溶剂如水、醇、酯、HMPA、二氯甲烷、甲苯、醚、酮、羧酸中或在溶剂混合物中,进行该脱水步骤。
在由(t)制备(u)之后或制备过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern SyntheticReactions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的式(u)化合物的取代基R1、R2和R3和取代基B进行修饰。
如上述流程IV所示,通过在碱如氢氧化钠和相转移试剂如Bu4NHSO4存在下,用烷基卤化物如甲基碘进行烷基化反应,可以由化合物(s)(其中R1、R2、R3、R13和B与上述定义相同)可以获得式(t)的化合物。通过式(r)的酮(其中R1、R2、R3、R13与上述定义相同)和式(k)的有机金属试剂(其中B与上述定义相同,M为适当的金属基团如镁、锂、锌、铜、铯等)反应,可以制备式(s)化合物。该反应可以在无溶剂或在溶剂如THF、甲苯、醚、二甲基甲酰胺、二氧六环、二甲基亚砜中或在溶剂混合物中进行。
在由(r)和(k)制备(s)之后或制备过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern SyntheticReactions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的式(s)化合物的取代基R1、R2、R3、R13进行修饰。
如流程IV所示,通过使式(l)的羰基化合物(其中R1、R2和R3与式(I)中定义相同,X为适当的离去基团如Cl、Br、OH、OR、SR、NR2、N(OR1)R等)和通过首先用碱如氢化钠处理化合物(q)(其中R13与上述定义相同)、接着用烷基锂如丁基锂进行金属转移作用从而获得的有机金属试剂反应,可以获得式(r)化合物。该反应可以在溶剂如THF、甲苯、醚、二甲基亚砜、二氧六环中或者在溶剂混合物中进行。在由(q)和(l)制备(r)之后或制备过程中,可以根据本领域已知的方法和文献(如Green的Protecting groups中或House的Modern Synthetic Reacrions,这两个文献均是本领域技术人员熟知的)中所示的方法对上述定义的化合物(r)的取代基R1、R2、R3、R13进行修饰。
如流程IV所示,在有机溶剂如二氯甲烷中,用酰基酸酐或酰氯使4-碘代苯胺酰化,可以获得式(q)化合物。化合物(q)的取代基R13与上述定义相同。
下面以实施例的方式更详细描述本发明,这些实施例不以任何方式限制本发明。
A)实施例1-7的化合物制备的合成流程
根据下列流程1所示的方法,制备实施例1-7的化合物。
流程1
(i)N-叔丁氧基羰基N’-甲基-N’-甲氧基-异哌啶甲酰胺(isonipecotamide)(化合物2)的制备
将异哌啶甲酸乙酯(化合物1)(4.71g,30.0mmol)、二碳酸二叔丁酯(6.55g,30.0mmol)和碳酸钠(4.77g,45mmol)的水-四氢呋喃(90/10ml)混合液回流2小时。用乙酸乙酯(150ml)萃取该反应混合物。用盐水洗涤有机层,经硫酸镁干燥。去除溶剂得到N-叔丁氧基羰基异哌啶甲酸乙酯(7.67g):
δH(400MHz,CDCl3),1.25(t,J=7.2Hz,3H),1.45(s,9H),1.62(m,2H),1.87(m,2H),2.43(m,1H),2.84(m,2H),4.02(m,2H),4.13(q,J=7.2Hz,2H);δC-13(100MHz,CDCl3),δ:14.0,27.8,28.2,40.9,42.9,60.2,79.2,154.4,174.2。
将上述的N-叔丁氧基羰基异哌啶甲酸乙酯溶于无水四氢呋喃(60ml)中,与NHMe(OMe)HCl(4.39g,45.0mmol)混合。于-20℃用i-PrMgCl(2.0M的四氢呋喃溶液,45ml,90mmol)处理该混合物,于-5℃,将产生的溶液搅拌1小时,然后用氯化铵溶液骤冷,用乙酸乙酯(2×100ml)萃取。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到N-叔丁氧基羰基N’-甲基-N’-甲氧基-异哌啶甲酰胺(化合物2)(8.0g,98%):
δH(400MHz,CDCl3),1.30(s,9H),1.54(m,4H),2.65(m,3H),3.02(s,3H),3.56(s,3H),3.99(brs,2H);δC-13(100MHz,CDCl3),δ:27.7,28.1,32.0,37.8,43.1,61.3,79,1,154.4,176.0。
(ii)4-(4’-N’,N’-二乙氨基羰基苯甲酰基)-N-叔丁氧基羰基哌啶(化合物3)的制备
于-78℃,向4-碘代-N,N-二乙基苯甲酰胺(9.09g,30.0mmol)和TMEDA(6.96g,60.0mmol)的无水四氢呋喃(60ml)溶液中加入叔丁基锂(35.0ml,1.7M,60.0mmol)。30分钟后,滴加N-叔丁氧基羰基N’-甲基-N’-甲氧基-异哌啶甲酰胺(化合物2)(8.0g,29.4mmol)的四氢呋喃(10ml)溶液。将该反应混合物温热至室温,然后用氯化铵水溶液骤冷,于0℃用盐酸(浓盐酸,20ml)中和,用乙酸乙酯(2×100ml)萃取。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(2:98)洗脱,得到4-(4’-N’,N’-二乙氨基羰基苯甲酰基)-N-叔丁氧基羰基哌啶(化合物3)(3.15g,28%):
δH(400MHz,CDCl3),1.08(brs,3H),1.23(brs,3H),1.43(s,9H),1.61(m,2H),1.80(m,2H),2.89(m,2H),3.20(brs,2H),3.40(m,1H),3.53(brs,2H),4.11(brs,2H),7.44(d,J=8.0Hz,2H),7.94(d,J=8.0Hz,2H)。
(iii)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-α-(1-萘基)-甲基)-N,N-二乙基苯甲酰胺(化合物4)的制备
于-78℃,向1-溴代萘(0.52g,2.5mmol)的无水四氢呋喃(10ml)溶液中加入正丁基锂(1.1ml,2.5M,2.75mmol)。30分钟后,滴加4-(4’-N’,N’-二乙氨基羰基苯甲酰基)-N-叔丁氧基羰基哌啶(化合物3)(776mg,2.0mmol)的四氢呋喃(2ml)溶液。使该反应混合物温热至室温,然后用氯化铵溶液骤冷,用乙酸乙酯(2×50ml)萃取。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(0.5:99.5→5:95)洗脱,得到4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-α-(1-萘基)-甲基)-N,N-二乙基苯甲酰胺(化合物4)(760mg,74%):
m.p.121-124℃(二氯甲烷);
Vmax(KBr)cm-1 3402,2960,1685,1626,1425,1283,1160;
C32H40N2O4·0.50H2O分析计算值:C,73.11;H,7.86;N,5.33。实测值:C,72.86;H,7.64;N,5.26;δH(400MHz,CDCl3),1.03(brs,3H),1.16(brs,3H),1.18-1.35(m,3H),1.95(m,1H),2.60(m,2H),2.75(brs,2H),3.15(brs,2H),3.42(brs,2H),4.10(brs,2H),7.10-7.50(m,7H),7.75(m,3H),8.27(brs,1H);δC-13(100MHz,CDCl3),δ:12.8,14.1,27.1,27.2,28.4,39.2,43.3,45.4,79.3,80.4,124.1,124.9,125.2,125.3,126.0,127.3,128.8,129.2,131.4,135.0,135.2,139.4,146.5,154.6,171.0。
(iv)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-2,6-二甲基苄基)-N,N-二乙基苯甲酰胺(化合物5)的制备
根据化合物4所述的方法制备该产物(749mg,76%),但是用2-溴代-间-二甲苯:
m.p.92-96℃(二氯甲烷);
Vmax(KBr)cm-1 3451,2970,1690,1631,1425,1165;
C30H42N2O4·0.50H2O分析计算值:C,71.54;H,8.61;N,5.56。实测值:C,71.70;H,8.34;N,5.62;δH(400MHz,CDCl3),1.10(brs,3H),1.21(brs,3H),1.32(m,2H),1.43(s,9H),1.69(m,1H),1.77(m,1H),2.32(s,6H),2.47(s,1H),2.75(m,3H),3.25(brs,2H),3.51(brs,2H),4.13(brs,2H),6.91(m,2H),7.00(m,1H),7.26(d,J=8.4Hz,2H),7.39(d,J=8.4Hz,2H);δC-13(100MHz,CDCl3),δ:12.6,14.0,25.0,27.7,28.2,39.1,42.9,43.1,44.4,53.3,79.1,83.0,125.8,126.3,127.2,131.2,135.3,136.7,142.9,147.8,154.5,170.7。
实施例1
N,N-二乙基-4-(苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物6)的制备
于室温下,向4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-苄基)-N,N-二乙基苯甲酰胺(932mg,2.0mmol)的无水二氯甲烷(10ml)溶液中加入三氟乙酸(10.0ml)。于室温下将该反应混合物搅拌16小时,然后浓缩。将残留物溶于乙酸乙酯(100ml)中。用1N氢氧化钠溶液、氯化铵水溶液和盐水洗涤产生的溶液,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(20:80)洗脱,得到(α-苯基-α-(4-N’,N’-二乙氨基羰基苯基))-4-亚甲基-哌啶(化合物6)(632mg,91%):
δH(400MHz,CDCl3),1.08(brs,3H),1.17(brs,3H),2.29(m,4H),2.86(m,4H),2.94(brs,1H),3.24(brs,2H),3.47(brs,2H),7.09(m,4H),7.15(m,1H),7.24(m,4H);δC-13(100MHz,CDCl3),δ:12.6,14.1,32.7,32.8,39.1,43.2,47.9,126.0,126.4,127.9,129.6,134.9,135.4,135.9,141.7,143.2,171.1。
盐酸盐:m.p.110-120℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 3440,2970,1617,1438,1289;
C23H28N2O·1.0HCl·0.50CH2Cl2·0.25H2O分析计算值:C,65.35;H,7.12;N,6.49。实测值:C,65.14;H,7.08;N,6.55。
实施例2
N,N-二乙基-4-(1-萘基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物7)的制备
根据实施例1所述的方法,用化合物4制备,得到产物226mg,71%:
m.p.80-85℃(甲醇-二氯甲烷);
Vmax(KBr)cm-1 3052,2970,1628,1431,1286;
C27H30N2O·0.20CH2Cl2分析计算值:C,78.62;H,7.37;N,6.74。实测值:C,78.63;H,7.07;N,6.54;δH(400MHz,CDCl3),1.06(brs,3H),1.16(brs,3H),2.00(m,2H),2.53(m,2H),2.64(brs,NH),2.77(m,2H),2.97(m,2H),3.20(brs,2H),3.47(brs,2H),7.26(m,5H),7.43(m,3H),7.74(m,2H),8.0(m,1H);δC-13(100MHz,CDCl3),δ:12.8,14.1,32.6,33.5,43.2,47.9,48.2,125.5,125.7,125.8,126.1,127.1,127.2,129.1,131.9,132.5,133.8,135.1,138.3,139.8,142.6,171.1。
实施例3
N,N-二乙基-4-(2,6-二甲基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物8)的制备
根据实施例1所述的方法,用化合物5制备,得到产物242mg,80%:
其盐酸盐:分解≥115℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 2970,2725,1590,1464,1290,1101;
C25H32N2O·1.0HCl·0.50CH2Cl2·0.5H2O分析计算值:C,65.94;H,7.60;N,6.03。实测值:C,65.98;H,7.37;N,5.81。
实施例4
N,N-二乙基-4-(1-萘基-N-烯丙基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物9)的制备
于室温下,将(α-(1-萘基)-α-(4-N’,N’-二乙氨基羰基苯基))-4-亚甲基哌啶(化合物7)(125mg)、烯丙基溴(90mg)和碳酸钾(138mg)的乙腈(10ml)混合液搅拌14小时,然后用1N氢氧化铵溶液骤冷,用乙酸乙酯(100ml)萃取。用氯化铵水溶液和盐水洗涤有机相,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(2:98)洗脱得到(α-(1-萘基)-α-(4-N’,N’-二乙氨基羰基苯基))-4-亚甲基-N-烯丙基哌啶(50mg,36%):
δH(400MHz,CDCl3),1.08(brs,3H),1.19(brs,3H),2.08(m,2H),2.39(m,2H),2.61(m,4H),3.01(m,2H),3.24(brs,2H),3.52(brs,2H),5.13(m,2H),5.90(m,1H),7.27(m,5H),7.45(m,3H),7.80(m,2H),8.04(m,1H);δC-13(100MHz,CDCl3),δ:12.8,14.1,30.9,32.0,39.1,43.2,54.7,54.9,61.5,117.8,125.4,125.6,125.8,126.0,127.1,128.2,129.1,131.8,132.4,133.7,135.0,138.0,139.8,142.6,171.1。
其盐酸盐:m.p.110-120℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 3416,2961,1620,1430,1288;
C30H34N2O·1.0HCl·0.50CH2Cl2·0.25H2O分析计算值:C,70.17;H,7.05;N,5.37。实测值:C,70.15;H,6.92;N,5.24。
实施例5
N,N-二乙基-4-(苯基-N-苄基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物10)的制备
根据实施例4所述的方法,用化合物6和苄基溴制备,得到产物215mg,98%:
δH(400MHz,CDCl3),1.09(brs,3H),1.19(brs,3H),2.37(m,4H),2.47(m,4H),3.25(brs,2H),3.50(brs,4H),7.0-7.30(m,14H);δC-13(100MHz,CDCl3),δ:12.7,14.0,31.6,39.1,43.1,54.9,55.0,62.8,125.9,126.2,126.8,127.8,128.0,128.9,129.6,129.7,134.9,135.0,136.3,138.2,141.9,143.3,171.0。
其盐酸盐:m.p.230-245℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 3423,2976,1624,1434,1288;
C30H34N2O·1.0HCl·0.25CH2Cl2·0.25H2O分析计算值:C,72.55;H,7.25;N,5.59。实测值:C,72.38;H,7.16;N,5.50。
实施例6
N,N-二乙基-4-(N-2,3-环氧丙基-苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物11)的制备
根据实施例4所述的方法,用化合物6和表溴醇(epibromohydrin)
制备,得到产物102mg,84%:
δH(400MHz,CDCl3),1.10(brs,3H),1.20(brs,3H),2.28(m,1H),2.39(m,4H),2.45(m,1H),2,54(m,2H),2.61(m,2H),2.74(m,2H),3.09(m,1H),3.26(brs,2H),3.50(brs,4H),7.10(m,4H),7.15(m,1H),7.25(m,4H);δC-13(100MHz,CDCl3),δ:12.8,14.1,31.4,39.1,43.2,44.9,50.1,55.5,60.8,126.0,126.4,127.9,129.6,129.7,135.0,135.3,135.7,141.8,143.2,171.1。
实施例7
N,N-二乙基-4-(1-环丙基甲基-苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物12)的制备
根据实施例4所述的方法,用化合物6和环丙基甲基氯制备,得到产物104mg,86%:
δH(400MHz,CDCl3)0.20(m,2H),0.59(m,2H),1.04(m,1H),1.14(brs,3H),1.24(brs,3H),2.48(d,J=6.4Hz,2H),2.56(brs,4H),2.80(brs,4H),3.29(brs,2H),3.53(brs,2H),7.14(m,4H),7.22(m,1H),7.27(m,4H);δC-13(100MHz,CDCl3),δ:4.18,7.3,12.8,14.1,30.3,39.2,43.2,54.3,62.7,126.2,126.6,128.0,129.5,129.6,134.1,135.3,136.3,141.5,142.9,171.0。
其盐酸盐:分解≥100℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 3027,2359,1620,1439,958;
C27H34N2O·1.0HCl·0.50CH2Cl2·0.75H2O分析计算值:C,66.73;H,7.64;N,5.66。实测值:C,66.60;H,7.45;N,5.78。
实施例8化合物制备的合成流程
根据下列流程2所述的方法制备实施例8的化合物。
流程2
实施例8
(i)4-(2-苯并呋喃甲酰基)-N-叔丁氧基羰基哌啶(化合物13)的制备
于-78℃向2,3-苯并呋喃(295mg,2.5mmol)的无水四氢呋喃(10ml)溶液中加入叔-丁基锂(1.5ml,1.7M,2.5mmol)。30分钟后,滴加N-叔丁氧基羰基N-甲基-N-甲氧基-异哌啶甲酰胺(544mg,2.0mmol)的四氢呋喃(2ml)溶液。将该反应混合物温热至室温,然后用氯化铵水溶液骤冷,用乙酸乙酯(2×50ml)萃取。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(5:95)洗脱,得到4-(2-苯并呋喃甲酰基)-N-叔丁氧基羰基哌啶(13)(456mg,69%):
δH(400MHz,CDCl3)1.46(s,9H),1,75(m,2H),1.91(m,2H),2.91(m,2H),3.37(m,1H),4.20(brs,2H),7.29(m,1H),7.46(m,1H),7.53(s,1H),7.56(m,1H),7.69(m,1H);δC-13(100MHz,CDCl3),δ:27.8,28.3,43.1,44.4,79.5,112.3,112.9,123.1,123.8,126.9,128.2,151.8,154.5,155.5,192.8。
(ii)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-2-苯并呋喃基)-N,N-二乙基苯甲酰胺(化合物14)的制备
根据化合物4所述的方法,用4-碘代-N,N-二乙基苯甲酰胺制备,得到产物425mg,61%:
m.p.102-106℃(二氯甲烷);
Vmax(KBr)cm-1 3362,2970,1690,1617,1425,1288,1160;δH(400MHz,CDCl3),1.06(brs,3H),1.20(brs,3H),1.24(m,2H),1.46(m,11H),2.42(m,1H),2.58(brs,2H),3.20(brs,2H),3.50(brs,2H),4.05(brs,2H),4.37(s,1H),6.70(s,1H),7.16(m,2H),7.23(d,J=8.0Hz,2H),7.41(d,J=7.6Hz,1H),7.47(d,J=7.6Hz,1H),7.58(d,J=8.0Hz,2H);δC-13(100MHz,CDCl3),δ:12.6,13.9,25.5,26.3,28.2,39.0,43.1,44.9,77.3,79.0,103.3,110.9,120.6,122.5,123.5,125.6,125.8,127.9,135.3,144.0,154.4,154.5,160.5,170.9。
实施例8
N,N-二乙基-4-(2-苯并呋喃基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物15)的制备
根据实施例1所述的方法,用化合物14制备,得到产物135mg,88%:
δH(400MHz,CDCl3),1.20(brs,3H),1.24(brs,3H),2.36(brs,2H),3.00(brs,4H),3.15(brs,2H),3.33(brs,2H),3.56(brs,2H),4.459brs,1H),6.25(s,1H),7.24(m,4H),7.41(m,4H);δC-13(100MHz,CDCl3),δ:12.9,14.2,29.6,32.0,32.4,39.3,43.4,47.2,107.4,111.0,120.7,122.7,124.2,126.0,126.5,128.2,129.9,136.1,139.5,140.5,154.4,156.2,171.0。
其盐酸盐:分解≥120℃(乙酸乙酯-乙醚-二氯甲烷);
Vmax(KBr)cm-1 2977,2801,1586,1449,1257。
C)实施例9-10化合物制备的合成流程
根据下列流程3所示制备实施例9和10的化合物。
流程3
(i)4-(4-氟苯甲酰基)-N-叔丁氧基羰基哌啶(化合物18)的制备
将4-(4-氟苯甲酰基)哌啶盐酸盐(化合物16)(2.44g,10.0mmol)、二碳酸二叔丁酯(2.18g,10.0mmol)和碳酸钠(1.59g,15mmol)的水-四氢呋喃(50/5ml)混合液回流1小时。用乙酸乙酯(2×100ml)萃取该反应混合物。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到4-(4-氟苯甲酰基)-N-叔丁氧基羰基哌啶(OB 701-31,2.28g,74%);
m.p.80-83℃(二氯甲烷);
Vmax(KBr)cm-1 2980,2842,1680,1587,1416,1160;
δH(400MHz,CDCl3),1.44(s,9H),1.69(m,2H),1.79(m,2H),2.87(m,2H),3.34(m,1H),4.13(brs,2H),7.12(m,2H),7.95(m,2H);δC-13(100MHz,CDCl3),δ:27.4,28.4,43.2,43.4,79.6,115.8,130.8,130.9,132.2,154.6,164.4,166.9,200.4。
(ii)4-(4-氯苯甲酰基)-N-叔丁氧基羰基哌啶(化合物19)的制备
根据实施例18所述方法,用化合物17制备,得到产物1.23g,85%:
m.p.122-125℃(二氯甲烷);
Vmax(KBr)cm-1 2970,2842,1680,1582,1420,1200;
δH(400MHz,CDCl3),1.47(s,9H),1.69(m,2H),1.81(m,2H),2.90(m,2H),3.36(m,1H),4.18(brs,2H),7.44(m,2H),7.88(m,2H);δC-13(100MHz,CDCl3),δ:28.3,28.4,43.2,43.4,79.6,129.0,129.6,134.1,139.4,154.6,200.7。
(iii)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-4-氟苄基)-N,N-二乙基苯甲酰胺(化合物20)的制备
根据实施例4所述方法,用化合物18和4-碘代-N,N-二乙基苯甲酰胺制备,得到产物454mg,47%:
m.p.84-86℃(二氯甲烷);
Vmax(KBr)cm-1 3421,2970,1685,1612,1430,1288,1165;
δH(400MHz,CDCl3),1.13(brs,3H),1.23(brs,3H),1.32(m,4H),1.44(s,9H),2.48(m,1H),2.68(brs,2H),3.26(brs,2H),3.54(brs,2H),3.57(s,1H),4.11(brs,2H),6.96(m,2H),7.27(d,J=8.0Hz,2H),7.44(m,2H),7.47(d,J=8.0Hz,2H);δC-13(100MHz,CDCl3),δ:12.9,14.0,26.2,28.2,39.1,43.2,43.6,44.3,78.9,79.1,114.5,114.7,125.7,126.1,127.5,127.6,135.0,141.2,146.9,154.5,160.0,162.5,170.9。
(iv)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-4-氯苄基)-N,N-二乙基苯甲酰胺(化合物21)的制备
根据实施例4所述方法,用化合物19和4-碘代-N,N-二乙基苯甲酰胺制备,得到产物626mg,63%:
m.p.100-105℃(二氯甲烷);
Vmax(KBr)cm-1 3411,2970,1685,1617,1425,1288,1165,1092;
δH(400MHz,CDCl3),1.08(brs,3H),1.20(brs,3H),1.33(m,4H),1.41(s,9H),2.44(m,1H),2.63(brs,2H),3.22(brs,2H),3.49(brs,2H),3.99(s,1H),4.05(m,2H),7.20(m,4H),7.39(d,J=8.0Hz,2H),7.44(d,J=8.0Hz,2H);δC-13(100MHz,CDCl3),δ:12.5,13.9,25.9,28.1,39.0,43.0,44.1,78.7,79.0,125.6,126.0,127.2,127.8,131.9,134.8,144.1,146.6,154.3,170.7。
实施例9
N,N-二乙基-4-(4-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物22)的制备
根据实施例1(化合物6)所述的方法,用化合物20制备。
1H-NMR(400MHz,CDCl3)δ 1.12(3H,br m,CH 3CH2-),1.24(3H,br m,CH 3CH2-),2.32(4H,m,哌啶CH-),2.54(1H,br m,NH),2.91(4H,m.哌啶CH-),3.27(2H,br m,CH 2N-),3.52(2H,br m,CH 2N-),7.00(2H,m,ArH),7.09(2H,m,ArH),7.11(2H,d,J=8.0Hz,ArH),7.29(2H,d,J=8.0Hz,ArH)。
实施例10
N,N-二乙基-4-(4-氯苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物23)的制备
根据实施例1(化合物6)所述的方法,用化合物21制备。
1H-NMR(400MHz,CDCl3)δ 1.13(3H,br m,CH 3CH2-),1.22(3H,br m,CH 3CH2-),2.02(1H,br m,NH),2.30(4H,m,哌啶CH-),2.90(4H,m.哌啶CH-),3.28(2H,br m,CH 2N-),3.53(2H,br m,CH 2N-),7.04(2H,d,J=8.0Hz,ArH),7.11(2H,d,J=8.0Hz,ArH),7.25(2H,d,J=8.0Hz,ArH),7.30(2H,d,J=8.0Hz,ArH)。
其盐酸盐:m.p.115-120℃(水-二氯甲烷);
IR(KBr)3337,2973,1618,1431,1290,1092cm-1;
C23H27ClN2O·1.0HCl·1.20H2O分析计算值:C,62.64%;H,6.95%;N,6.35%。实测值:C,62.53%;H,6.91%;N,6.30%。
D)实施例11化合物制备的合成流程
流程4
实施例11
N,N-二乙基-4-(苯基-N-烯丙基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物25)的制备
将4-(α-羟基-α-(4-N-烯丙基哌啶基)-苄基)-N,N-二乙基苯甲酰胺(化合物24)(81mg)溶于二氯甲烷(10ml)中,于室温下用亚硫酰氯(2ml)处理。将该反应混合物回流2小时,然后浓缩。将残留物溶于乙酸乙酯(50ml)中,用氢氧化铵(1N)、氯化铵水溶液和盐水洗涤产生的溶液,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(1:99→5:95)洗脱,得到(α-苯基-α-(4-N’,N’-二乙氨基羰基苯基)-4-亚甲基-N-烯丙基哌啶(化合物25,实施例11)(32mg,40%):
δH(400MHz,CDCl3)1.12(brs,3H),1.21(brs,3H),2.43(m,4H),2.55(m,4H),3.08(d,J=6.8Hz,2H),3.25(brs,2H),3.53(brs,2H),5.18(m,2H),5.86(m,1H),7.12(m,4H),7.20(m,1H),7.27(m,4H)。
其盐酸盐:m.p.85-95℃(乙酸乙酯-二氯甲烷);
Vmax(KBr)cm-1 3491,2971,1624,1428,1289,1096;
C26H32N2O·HCl·0.25H2O·0.25CH2Cl2分析计算值:C,69.95;H,7.60;N,6.21。实测值:C,70.00;H,7.73;N,6.07。
实施例12
N,N-二乙基-4-(4-氯苯基-N-苄基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物26)的制备
根据实施例4所述的方法,用化合物23(96mg)和苄基溴(43mg)制备,得到N,N-二乙基-4-(4-氯苯基-N-苄基-亚哌啶-4-基-甲基)-苯甲酰胺(110mg,93%):
1H-NMR(400MHz,CDCl3)δ 1.13(3H,br m,CH 3CH2-),1.23(3H,brm,CH 3CH2-),2.37(4H,m,哌啶CH-),2.49(4H,m.哌啶CH-),3.28(2H,br m,CH3CH 2N-),3.53(4H,br m,PhCH 2N-和CH3CH 2N-),7.04(2H,d,J=8.0Hz,ArH),7.11(2H,d,J=8.0Hz,ArH),7.25(2H,d,J=8.0Hz,ArH),7.29(7H,m,ArH)。
其(CHOHCO2H)2盐:m.p.100-110℃(甲醇);
IR(KBr)3368,2977,1728,1603,1433,1290,1087cm-1;
C34H39ClN2O7·1.50H2O分析计算值:C,62.81%;H,6.51%;N,4.31%。实测值:C,62.85%;H,6.17%;N,4.21%。
实施例13
N,N-二乙基-4-[(N-3-甲基-2-丁烯基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(化合物27)的制备
根据实施例4所述的方法,用1-溴代-3-甲基-2-丁烯作为烷化剂制备。
IR(NaCl膜):HCl盐v=3432,2976,1623,1434cm-1;
1H NMR:(碱)(CDCl3,TMS)δ:1.10-1.13(6H,br,OCNCH2CH 3 ),1.64(3H,s,=CCH 3 ),1.73(3H,s,=CCH 3 ),2.40(4H,m,NCH 2 CH2),2.52(4H,m,=CCH 2 ),3.0(2H,d,J=7.6Hz,NCH 2 CH=C),3.20-3.60(4H,br,OCNCCH 2 CH3),5.28(1H,m,NCH2CH=C),7.16-7.45(9H,m,Ar)ppm。
C28H36N2O·1.8HCl分析计算值(%):C,69.74;H,7.90;N,5.81。实测值:C,69.71;H,7.48;N,5.58。
实施例14
N,N-二乙基-4-[(1-环己基-亚哌啶-4-基)-苯基-甲基]-苯甲酰胺(化合物28)的制备
将化合物6(100mg,0.29mmol)、环己酮(36μl,0.35mmol)和Ti(OPr-i)4(0.17ml,0.58mmol)超声1小时,然后于室温、氮气下搅拌过夜。用乙醇(5ml)稀释该混合物,随后加入硼氢化钠(33mg,.87mmol)。于室温下将产生的混合物搅拌12小时。加入2N氨水骤冷该反应物,通过硅藻土过滤。用乙酸乙酯萃取滤液数次,用水和盐水洗涤合并的有机相,经硫酸钠干燥。真空浓缩,经MPLC纯化(0:100至100:0的乙酸乙酯:庚烷洗脱,硅胶60),得到目标化合物(24mg,20%)。
m.p.(HCl盐):105-109℃
IR(HCl盐,膜):v:3394(NH),1620(CONEt2)cm-1;
1H NMR(游离胺,400MHz,CDCl3)δ:1.00-1.25(17H,m,NCHCH 2 CH 2 CH 2 CH 2 CH 2 ,2xCH 3 和CH(CH)C=C),1.60(1H,m,CH(CH)C=C),1.75(1H,m,CH(CH)C=C),1.80(1H,m,CH(CH)C=C),2.30(3H,m,NCH 2 和NCH),2.60(2H,m,NCH 2 ),3.20(2H,bs,NCH 2 CH3),3.50(2H,bs,NCH 2 CH3),7.00-7.30(9H,m,Ar)。
13C NMR(游离胺,100MHz,CDCl3)δ:12.7,14.1,25.9,28.7,32.0,39.1,43.2,50.7,50.8,63.6,126.0,126.3,127.9,129.7,129.8,134.7,134.9,136.9,142.0,143.4,171.2。
元素分析C29H40N2OCl2计算值:C,69.17;H,8.01;N,5.56。实测值:C,69.17;H,7.82;N,5.18。
实施例15
N,N-二乙基-4-[(N-丁基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(化合物29)的制备
根据实施例4所述的方法,用1-碘代丁烷作为烷化剂制备。
IR(NaCl膜):(HCl盐)v=3430,2967,2499,1622,1433cm-1;
1H NMR:(CDCl3,TMS)δ:0.92(3H,t,J=7.2Hz,CH2CH 3 ),1.10-1.26(6H,br,OCNCH2CH 3 ),1.32(2H,m,CH 2 CH3),1.53(2H,m,CH2CH 2 CH2),2.42(6H,m,NCH 2 ),2.55(4H,m,=CCH2),3.20-3.60(4H,br,OCNCH 2 CH3),7.10-7.31(9H,m,Ar)ppm。
C27H36N2O·HCl·0.4CH2Cl2·0.4H2O分析计算值(%):C,68.24;H,8.07;N,5.81。实测值:C,68.24;H,8.12;N,5.89。
实施例16
N,N-二乙基-4-[(N-甲氧基苄基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(化合物30)的制备
根据实施例4所述的方法,用化合物6(174mg)和4-甲氧基苄基氯(78mg)制备,得到N,N-二乙基-4-[(N-甲氧基苄基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(160mg,68%)。
1H NMR(CDCl3,TMS)δ:1.11(3H,br,CH 3 CH2N-),1.20(3H,br,CH 3 CH2N-),2.38(4H,m,CCH 2 C),2.46(4H,m,NCH 2 -),3.26(2H,m,NCH 2 -),3.47(2H,s,CH 2 N-),3.49(2H,br,CH3CH 2 N-),3.77(3H,,OCH 3 ),6.83(2H,d,J=8.0Hz,ArH),7.05-7.30(11H,m,ArH)。
其HCl盐:m.p.100-110℃(CH2Cl2);
IR(KBr)3425,2974,1618,1515,1434,1255cm-1;
C31H36N2O2·1.0HCl·0.35CH2Cl2分析计算值:C,70.41(%);H,7.11(%);N,5.24(%)。实测值:C,70.46(%);H,7.10(%);N,5.21(%)。
实施例17
N,N-二乙基-4-[(N-2,4-二氯苄基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(化合物31)的制备
根据实施例4所述的方法,用化合物6(174mg)和α,2,4-三氯甲苯(98mg)制备,得到N,N-二乙基-4-[(N-2,4-二氯苄基)-苯基-亚哌啶-4-基-甲基]-苯甲酰胺(206mg,81%)。
1H NMR(400MHz,CDCl3)δ:1.12(3H,br,CH 3CH2N-),1.21(3H,br,CH 3CH2N-),2.39(4H,m,CCH 2C),2.52(4H,m,NCH 2-),3.28(2H,m,NCH 2 -),3.53(2H,br,CH3CH 2 N-),3.57(2H,m,NCH 2 -),7.05-7.48(12H,m,ArH)。
其HCl盐:m.p.95-110℃(CH2Cl2);
IR(KBr)3408,2976,1620,1472,1436,1288,1101cm-1;
C30H32N2OCl2·1.0HCl·0.30CH2Cl2分析计算值:C,63.91(%);H,5.95(%);N,4.92(%)。实测值:C,63.81(%);H,6.03(%);N,4.84(%)。
实施例18
N,N-二乙基-4-[(1-甲基-亚哌啶-4-基)-苯基-甲基]-苯甲酰胺(化合物32)的制备
将N,N-二乙基-4-[(亚哌啶-4-基)-苯基-甲基]-苯甲酰胺(0.34g,1.0mmol)溶于乙腈(5ml)中。于25℃搅拌下加入碳酸钾(0.14g,1.0mmol)和甲基碘(63μl,1.0mmol)。30分钟后,蒸发该反应混合物,将其上于硅胶上,经层析纯化,用0-10%甲醇(10%氢氧化铵)的二氯甲烷液洗脱,得到48mg终产物(28%转化的原料),通过在乙醚中用HCl处理将其转化为盐酸盐。
Mp:110℃(分解)。
IR(KBr)(cm-1)2361,1695,1487,1289;
MS(游离胺):362,318,219,189,165,144。
1H NMR(胺,CDCl3):δ=1.1(m,6H,酰胺-Me),2.40(s,3H,MeN),2.49,2.60(2m,8H,哌嗪-H),3.40(m,4H,酰胺-CH2),7.08-7.34(m,9H,Ar-H)。C24H30N2O x 0.1H2O x 3.1HCl分析计算值:C,60.39;H,7.03;N,5.87。实测值:C,60.43;H,6.84;N,5.45。
实施例19
N,N-二乙基-4-[(N-叔丁氧基羰基-亚哌啶-4-基)-8-喹啉基-羟基-甲基]-苯甲酰胺(化合物33)的制备
于-78℃,向4-碘代-N,N-二乙基苯甲酰胺(1.52g,5.0mmol)和8-溴代喹啉(1.0g)的无水四氢呋喃(30ml)溶液中加入正丁基锂(7.0ml,2.5M,17.5mmol)。10分钟后,滴加N-叔丁氧基羰基异哌啶甲酸乙酯(2)(0.77g,3.0mmol)的四氢呋喃(5ml)溶液。将该反应混合物温热至0℃,然后用氯化铵水溶液骤冷,用乙酸乙酯(2×100ml)萃取。用盐水洗涤合并的有机层,经硫酸镁干燥。去除溶剂得到粗品产物,将其经硅胶柱纯化,用甲醇-二氯甲烷(2:98)洗脱,得到MTL0599(145mg,9%):
mp:100-105℃。
IR(NaCl)2971,1686,1625,1426,1167cm-1;
C31H39N3O4·0.20H2O分析计算值:C,71.43%;H,7.62%。实测值:C,71.50%;H,7.75%。
1H NMR(400MHz,CDCl3)δ 1.07(3H,br,CH 3 CH2N-),1.19(3H,br,CH 3 CH2N-),1.24(1H,m,哌啶CH-),1.43(9H,s,CH 3 C),1.65(1H,m,哌啶CH-),1.89(2H,m,哌啶CH-),2.52(1H,m,哌啶CH-),2.64(1H,br,哌啶CH-),2.78(1H,br,哌啶CH-),3.22(2H,br,CH3CH 2 N-),3.49(2H,br,CH3CH 2 N-),4.16(2H,br,哌啶CH-),7.24(2H,d,J=8.0Hz,ArH),7.35(1H,dd,J=8.0,4.4Hz,ArH),7.55(2H,d,J=8.0Hz,ArH),7.58(1H,d,J=8.0Hz,ArH),7.71(1H,d,J=8.0Hz,ArH),7.80(1H,d,J=8.0Hz,ArH),8.14(1H,d,J=8.0Hz,ArH),8.69(1H,m,ArH),9.80(1H,s,OH)。
实施例20
N,N-二乙基-4-(8-喹啉基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物34)的制备
将实施例19的化合物(45mg)、三氟乙酸(1.0ml)和三氟甲磺酸(1ml)的混合物回流8小时,然后浓缩。将残留物溶于乙酸乙酯(50ml)中。用1N氢氧化钠溶液、氯化铵水溶液和盐水洗涤产生的溶液,经硫酸钠干燥。去除溶剂得到粗品产物,经硅胶柱纯化,用氢氧化铵(1N)-甲醇-二氯甲烷(2.5:17.5:80)洗脱,得到N,N-二乙基-4-(8-喹啉基-亚哌啶-4-基-甲基)-苯甲酰胺(29mg,84%):
1H NMR(400MHz,CDCl3)δ 1.07(3H,br m,CH 3 CH2-),1.20(3H,br,m,CH 3 CH2-),2.00(2H,m,哌啶CH-),2.46(1H,s,NH),2.52(2H,m,哌啶CH-),2.75(1H,m,哌啶CH-),2.92(21H,m,哌啶CH-),3.05(1H,m,哌啶CH-),3.22(2H,m,CH 2 N-),3.49(2H,m,CH 2 N-),7.23(2H,m,ArH),7.32(2H,m,ArH),7.36(1H,m,ArH),7.49(2H,m,ArH),7.72(1H,dd,J=6.4,3.2Hz,ArH),8.11(1H,dd,J=8.4,1.6Hz,ArH),8.91(1H,dd,J=4.0,1.6Hz,ArH)。
其HCl盐:m.p.>170℃(分解);
IR(KBr)3410,2973,1614,1551,1436,1284cm-1;
C26H29N3O·2.0HCl·0.50CH2Cl2·0.75H2O分析计算值:C,60.23%;H,6.39%。实测值:C,60.27%;H,6.42%。
实施例21
N,N-二乙基-4-[(N-叔丁氧基羰基-哌啶-4-基)-3-甲氧基苯基-羟基-甲基]-苯甲酰胺(化合物35)的制备
根据实施例19的方法,用3-溴代苯甲醚制备,得到目标化合物(226mg,23%):
mp:95-103℃。
IR(NaCl)3422,2973,1684,1614,1429,1289cm-1;
C29H40N2O5·0.60H2O分析计算值:C,68.64%;H,8.18%;N,5.52%。实测值:C,68.66%;H,7.98%;N,5.64%。1H NMR(400MHz,CDCl3)δ 1.07(3H,br,CH 3 )CH2N-),1.19(3H,br,CH 3 CH2N-),1.31(4H,m,哌啶CH-),1.41(9H,s,CH 3 C),2.46(1H,m,哌啶CH-),2.64(2H,br,哌啶CH-),3.22(2H,br,CH3CH 2 N-),3.49(2H,br,CH3CH 2 N-),3.65(1H,s,OH),3.72(3H,s,OCH 3 ),4.06(2H,br,哌啶CH-),6.69(1H,m,ArH),7.01(1H,d,J=7.6Hz,ArH),7.08(1H,s,ArH),7.17(1H,d,J=8.0Hz,ArH),7.21(2H,d,J=8.0Hz,ArH),7.48(2H,d,J=8.0Hz,ArH)。
实施例22
N,N-二乙基-4-(3-甲氧基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物36)的制备
根据实施例1所述方法,用实施例21的化合物(100mg),得到N,N-二乙基-4-(3-甲氧基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(75mg,98%):
1H NMR(400MHz,CDCl3)δ 1.12(3H,br,CH 3 CH2N-),1.23(3H,br,CH 3 CH2N-),2.34(4H,m,哌啶CH-),2.91(4H,br,哌啶CH-),3.17(1H,s,NH),3.27(2H,br,CH3CH 2 N-),3.52(2H,br,CH3CH 2 N-),3.76(3H,s,OCH 3 ),6.64(1H,s,ArH),6.70(1H,d,J=8.0Hz,ArH),6.76(1H,d,J=7.6Hz,ArH),7.15(2H,d,J=8.0Hz,ArH),7.22(1H,m,ArH),7.29(2H,d,J=8.0Hz,ArH)。
其HCl盐:m.p.>90℃(分解);IR(NaCl)2970,1621,1430,1287cm-1;
C24H30N2O2·HCl·1.70H2O分析计算值:C,64.69%;H,7.78%;N,6.29%。实测值:C,64.82%;H,7.60%;N,6.08%。
实施例23
N,N-二乙基-4-[(N-苄基)-3-甲氧基苯基-亚哌啶-4-基-甲基]-苯甲酰胺(化合物37)的制备
根据实施例4所述方法,用实施例22的化合物(38mg),得到N,N-二乙基-4-[(N-苄基)-3-甲氧基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(46mg,98%):
1H NMR(400MHz,CDCl3)δ 1.12(3H,br,CH 3 CH2N-),1.25(3H,br,CH 3 CH2N-),2.38(4H,m,哌啶CH-),2.48(4H,br,哌啶CH-),3.27(2H,br,CH3CH 2 N-),3.52(2H,s,PhCH 2 N-),3.53(2H,br,CH3CH 2 N-),3.75(3H,s,OCH 3 ),6.65(1H,s,ArH),6.69(1H,d,J=8.0Hz,ArH),6.74(1H,d,J=7.6Hz,ArH),7.13(2H,d,J=8.0Hz,ArH),7.13-7.32(8H,m,ArH)。
其HCl盐:m.p.100-110℃(CH2Cl2);
IR(NaCl)3421,2972,1619,1430,1287cm-1;
C31H36N2O2·HCl·0.40CH2Cl2分析计算值:C,69.96%;H,7.07%;N,5.20%。实测值:C,69.94%;H,7.06%;N,5.15%。
实施例24
N,N-二乙基-4-[(N-叔丁氧基羰基-哌啶-4-基)-3-氟苯基-羟基-甲基]-苯甲酰胺(化合物38)的制备
根据实施例19所述方法,用3-溴代氟代苯,得到目标化合物(257mg,27%):
1H NMR(400MHz,CDCl3)δ 1.03(3H,br,CH 3 CH2N-),1.15(3H,br,CH 3 CH2N-),1.19-1.29(4H,m,哌啶CH-),1.35(9H,s,CH 3 C),2.39(1H,m,哌啶CH-),2.59(2H,br,哌啶CH-),3.17(2H,br,CH 3 CH2N-),3.28(1H,s,OH),3.45(2H,br,CH3CH 2 N-),4.02(2H,br,哌啶CH-),6.80(1H,m,ArH),7.15(3H,m,ArH),7.18(2H,d,J=8.0Hz,ArH),7.39(2H,d,J=8.0Hz,ArH)。
实施例25
N,N-二乙基-4-(3-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物39)的制备
根据实施例20所述方法,用实施例24的化合物(165mg),得到N,N-二乙基-4-(3-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(108mg,87%):
1H NMR(400MHz,CDCl3)δ 1.08(3H,br,CH 3 CH2N-),1.19(3H,br,CH 3 CH2N-),2.09(1H,s,NH),2.25(4H,m,哌啶CH-),2.84(4H,br,哌啶CH-),3.23(2H,br,CH 3 CH2N-),3.47(2H,br,CH3CH 2 N-),6.74(1H,m,ArH),6.86(2H,m,ArH),7.06(2H,d,J=8.0Hz,ArH),7.18(1H,m,ArH),7.24(2H,d,J=8.0Hz,ArH)。
其HCl盐:m.p.>70℃(分解);
IR(NaCl)2978,1605,1478,1432,1290cm-1;
C23H27N2OF·HCl·0.25CH2Cl2·1.50H2O分析计算值:C,61.89%;H,7.04%;N,6.21%。实测值:C,61.97%;H,6.95%;N,6.22%。
E)实施例26化合物制备的合成流程
根据下面流程5所述的方法制备实施例26的化合物。
流程5
实施例26
(i)4’-碘代-(N-乙酰苯胺)(化合物40)的制备
于室温下,向4-碘代-苯胺(15g,69mmol)的无水二氯甲烷(100ml)溶液中加入乙酸酐(14.09g,138mmol),然后将该反应混合物搅拌2小时。过滤在反应中形成的灰色沉淀,用乙醚洗涤并收集,将母液浓缩至干,加入乙酸乙酯,过滤产生的沉淀,用乙醚洗涤,并与前面获得的固体合并,为所需产物(15.95g,88.7%)。
1H NMR:(CDCl3)δ:2.19(3H,s,COCH 3 ),7.2(1H,s,br,-NH),7.23(2H,M,Ar),7.61(2H,m,Ar)。
(ii)4-(乙酰氨基苯甲酰基)-N-叔丁氧基羰基哌啶(化合物41)的制备
于0℃,向4’-碘代-(N-乙酰苯胺)(11.7g,45mmol)的无水四氢呋喃(200ml)溶液中加入氢化钠(1.62g,67.5mmol),将该反应混合物搅拌30分钟,同时使温度温热至室温,接着于-78℃缓慢加入正丁基锂(1.6M庚烷溶液,54mmol)。将该混合物搅拌15分钟,然后通过注射器滴加N-叔丁氧基羰基N’-甲基-N’-甲氧基-异哌啶甲酰胺(6.15g,30mmol)的四氢呋喃(10ml)溶液。将该反应混合物温热至室温,然后用氯化铵水溶液骤冷,用乙酸乙酯(2×100ml)萃取。用饱和的氯化铵水溶液和盐水洗涤有机层,经硫酸镁干燥并浓缩,得到粗品产物,将其经硅胶柱层析纯化,用甲醇-二氯甲烷(0:100-5:95)洗脱,得到所需产物(9.02g,87%)。
1H NMR(CDCl3)δ:1.47(9H,s(CH3)3),1.6-1.8(4H,m,哌啶),2.21(3H,s,COCH 3 ),2.9(2H,m,哌啶),3.37(1H,m,COCH-),4.15(2H,m,哌啶),7.64(2H,m,Ar),7.86(1H,s,br,-CONH),7.91(2H,m,Ar)。
(iii)4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-3-氟苄基)(N-乙酰苯胺)(化合物42)的制备
根据化合物4制备所述方法,但是用3-氟-1-碘代苯代替1-溴代萘,得到目标化合物(93%)
1H NMR(DMSO-D6)δ:1.2-1.3(4H,m,哌啶),1.37(9H,s,(CH3)3),2.0(3H,s,COCH3),2.65(3H,br,哌啶),3.95(2H,m,哌啶),6.98(1H,m,Ar),7.21-7.50(7H,m,Ar),9.85(1H,s,OC-NH)
(iv)N-甲基-4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-3-氟苄基)(N-乙酰苯胺)(化合物43)的制备
向2M氢氧化钠水溶液(10ml)中加入四丁基硫酸氢铵(1.35g,3.97mmol),接着加入4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-3-氟苄基)(N-乙酰苯胺)(825mg,1.86mmol)和甲基碘(769mg,5.4mmol)的10ml二氯甲烷溶液。然后将该反应混合物回流1小时,冷却至室温。收集二氯甲烷层,蒸发至约1ml。加入乙酸乙酯,滤出沉淀。用盐水洗涤有机相,经硫酸镁干燥,浓缩得到固体,将其经MPLC纯化,用甲醇-二氯甲烷(5:95)洗脱,得到纯品目标化合物(770mg,93%)。
1H NMR(CDCl3)δ:1.2-1.5(4H,m,哌啶),1.42(9H,s,(CH3)3),1.83(3H,s,COCH 3 ),2.52(1H,m,-CH-C-OH),2.70(2H,m,哌啶),2.86(1H,s,br,-OH),3.21(3H,s,NCH 3 ),4.15(2H,s,br,哌啶),6.90(1H,m,Ar),7.12-7.60(7H,m,Ar),7.12-7.60(7H,m,Ar)
实施例26
N-甲基-4-(3-氟苯基-亚哌啶-4-基甲基)(N-乙酰苯胺)(化合物44)的制备
于室温下,向N-甲基-4-(α-羟基-α-(4-N-叔丁氧基羰基哌啶基)-3-氟苄基)(N-乙酰苯胺)(300mg,0.657mmol)的无水二氯甲烷(5ml)溶液中加入三氟乙酸(5.0ml)。将该反应混合物回流4小时,然后浓缩。将残留物溶于乙酸乙酯(50ml)中。用2N氢氧化钠水溶液、氯化铵水溶液和盐水洗涤产生的溶液,经硫酸镁干燥。去除溶剂得到粗品产物,将其经MPLC纯化,用甲醇-二氯甲烷-氢氧化铵(5:95:1)洗脱,得到纯品产物(176mg,79%)。
mp.252-237℃分解。
IR(NaCl膜):(HCl盐)v(max.)=2961,2722,2480,1658,1608,1580,1507,1429,1381cm-1。
1H NMR(CDCl3)δ 1.89(3H,s,COCH 3 ),1.95(1H,s,-NH),2.32(4H,m,哌嗪),2.92(4H,m,哌嗪),3.26(3H,s,N-CH 3 ),6.81-7.28(8H,m,Ar)
13C NMR(CDCl3)δ:22.4,33.2,33.3,37.0,48.3,113.3(m,C-F),116.5(m,C-F),125.4,126.6,129.5,129.6,130.9,133.7,137.7,141.2,142.8,144.2,161.3,163.8,170.4。
C21H23N2FO·HCl分析计算值(%):C,67.28;H,6.45;N,7.47。实测值:C,66.88;H,6.44;N,7.16。
F)实施例27化合物制备的合成流程
根据下面流程6所述的方法制备实施例27的化合物。
流程6
(i)N-叔丁氧基羰基-4-哌啶酮(化合物46)的制备
于0℃,搅拌化合物45(50g,0.325mol)和二碳酸二叔丁酯(71g,0.325mol)的300ml二氯甲烷混合液,同时滴加三乙胺(133g,1.32mol)。将该混合物温热至室温,搅拌12小时。蒸发溶剂,使粗品产物分配于水(400ml)和乙醚(400ml)之间。再用另一份乙醚(400ml)洗涤水相。用水(400ml)和盐水(400ml)洗涤合并的醚层,经硫酸镁干燥。去除溶剂,得到为淡黄色固体的化合物46(55.3g,85%):
δH NMR(400MHz,CDCl3)1.50(s,9H),2.45(t,4H,J=6.1Hz),3.72(t,4H,J=6.1Hz)
(ii)4-(4-甲氧基羰基-亚苄基)-哌啶-1-甲酸叔丁酯(化合物49)的制备
将4-(溴代甲基)苯甲酸甲酯(化合物47)(11.2g,49mmol)溶于25ml亚磷酸三甲酯中,于氮气下回流5小时。通过与甲苯一起蒸馏去除过量的亚磷酸三甲酯,得到粗品4-(二甲氧基-磷酰基甲基)-苯甲酸甲酯(化合物48)。
δH(400MHz,CDCl3)3.20(d,2H,J=22Hz),3.68(d,3H 10.8Hz),3.78(d,3H,11.2Hz),3.91(s,3H),7.38(m,2H),8.00(d,2H,J=8Hz)。
于氮气下,将粗品产物(化合物48)溶于无水四氢呋喃(200ml)中并冷却至-78℃。滴加二异丙基氨化锂(32.7ml,1.5M己烷溶液,49mmol)。使该溶液温热至室温。向该反应物中滴加化合物46(9.76g,49mmol的100ml无水四氢呋喃溶液)的溶液,于氮气下搅拌12小时。向该反应混合物中加入水(300ml)和乙酸乙酯(300ml)并萃取。用乙酸乙酯(2×300ml)洗涤水相。经硫酸镁干燥合并的乙酸乙酯层,蒸发得到粗品产物,将其经硅胶层析纯化,用0-33%乙酸乙酯的已烷溶液洗脱,得到为白色固体的化合物49(5.64g,35%)。
δH(400MHz,CDCl3)1.44(s,1H),2.31(t,J=5.5Hz,2H),2.42(t,J=5.5Hz,2H),3.37(t,J=5.5Hz,2H),3.48(t,J=5.5Hz,2H),3.87(s,3H),6.33(s,1H),7.20(d,J=6.7Hz,2H),7.94(d,J=6.7Hz,2H)。δC- 13(CDCl3)28.3,29.2,36.19,51.9,123.7,127.8,128.7,129.4,140.5,142.1,154.6,166.8ppm。vmax(NaCl)cm-1 3424,2974,2855,1718,1688,1606,1427,1362,1276。
C19H25NO4分析计算值:C,68.86%;H,7.60%;N,4.23%;实测值:C,69.1%;H,7.69%;N,4.25%。
(iii)4-溴代-4-[溴代-(4-甲氧基羰基-苯基)-甲基]-哌啶-1-甲酸叔丁酯(化合物50)的制备
向化合物49(5.2g,16mmol)的无水二氯甲烷(200ml)溶液中加入碳酸钾(1.0g)。然后于0℃滴加溴溶液(2.9g,18mmol的30mlDCM溶液),于室温搅拌1.5小时。过滤去除碳酸钾,蒸发溶剂至干。将粗品产物溶于乙酸乙酯(200ml)中,用水(200ml)、0.5M HCl(200ml)和盐水(200ml)洗涤,经硫酸镁干燥。蒸发溶剂得到粗品产物,使其从甲醇中重结晶得到为白色固体的化合物50(6.07g,78%)。
δH(400MHz,CDCl3)1.28(s,9H),1.75(m,2H),1.90(m,2H),2.1(m,4H),3.08(br,4H),3.90(s,3H),4.08(br,4H),5.14(s,1H),7.57(d,J=8.4Hz,2H),7.98(d,J=8.4Hz,2H)。δC-13(400MHz,CDCl3)28.3,36.6,38.3,40.3,52.1,63.2,72.9,129.0,130.3,130.4,141.9,154.4,166.3ppm。vmax(NaCl)cm-1 3425,2969,1725,1669,1426,1365,1279,1243。
C19H25Br2NO4分析计算值:C,46.6%;H,5.13%;N,2.85%;实测值:C,46.64%;H,5.16%;N,2.89%。
(iv)4-[溴代-(4-羧基-苯基)-亚甲基]-哌啶-1-甲酸叔丁酯(化合物51)的制备
于40℃向化合物50(5.4g,11mmol)的甲醇(300ml)溶液中加入2.0M氢氧化钠(100rml)。于40℃将该反应物搅拌3小时。过滤分离粗品盐。真空干燥固体过夜。将干燥的盐溶于40%乙腈/水中,用浓盐酸将pH调至2。过滤分离为白色粉末的所需产物(7)(3.8g,87%)。
δH(400MHz,CDCl3)1.45(s,9H),2.22(dd,J=5.5Hz,6.1Hz,2H),2.64(dd,J=5.5Hz,6.1Hz,2H),3.34(dd,J=5.5Hz,6.1Hz,2H),3.54(dd,J=5.5Hz,6.1Hz,2H),7.35(d,J=6.7Hz,2H),8.08(d,J=6.7Hz,2H)。δC-13(400MHz,CDCl3)28.3,31.5,34.2,44.0,115.3,128.7,129.4,130.2,137.7,145.2,154.6,170.3。
C18H22BrNO4分析计算值:C,54.56%;H,5.60%;N,3.53%;实测值:C,54.66%;H,5.68%;N,3.59%。
(v)4-[溴代-(4-二乙基氨基甲酰基-苯基)-亚甲基]-哌啶-1-甲酸叔丁酯(化合物52)的制备
于-20℃向化合物51(1.0g,2.5mmol)的无水二氯甲烷(10ml)溶液中加入氯代甲酸异丁酯(450mg,3.3mmol)。于-20℃ 20分钟后,加入二乙胺(4ml),使该反应物温热至室温。1.5小时后,蒸发溶剂,使该反应混合物分配于乙酸乙酯和水之间。用水和盐水洗涤乙酸乙酯层,经硫酸镁干燥,蒸发去除溶剂。粗品产物经硅胶层析纯化,用0-60%乙酸乙酯的庚烷溶液洗脱,得到为白色针状的产物(化合物52)(800mg,73%)。
δH(400MHz,CDCl3)1.13(br,3H),1.22(br,3H),1.44(s,9H),2.22(t,J=5.5Hz,2H),2.62(t,J=5.5Hz,2H),3.31(t,J=5.5Hz,2H),3.52(t,J=5.5Hz,2H),7.27(d,J=7.9Hz,2H),7.33(d,J=7.9Hz,2H)。δC-13(400MHz,CDCl3)12.71,14.13,28.3,31.5,34.2,39.1,43.2,79.7,115.9,126.3,129.3,136.8,137.1,140.6,154.6,170.5。
C22H31BrN2O3分析计算值:C,58.3%;H,6.92%;N,6.21%;实测值:C,58.62%;H,6.89%;N,6.21%。
实施例27
N,N-二乙基-4-[亚哌啶-4-基(3-三氟甲基-苯基)-甲基]-苯甲酰胺(化合物54,Ar=3-三氟甲基苯基)的制备(通用方法)
以小规模平行的方式进行化合物52与各种硼酸类化合物的Suzuki偶合和随后的去保护。在25×150mm的培养管中进行反应和液液萃取。下面为一般反应的方法。
向化合物52(25mg,57μmol)和四(三苯膦)钯(O)(5mg,4.3μmol)的二甲苯(脱气,0.5ml)溶液中加入3-三氟苯基硼酸(28.5mg,150μmol)的乙醇(脱气,0.5ml)溶液,接着加入150μl 2M的碳酸钠水溶液(300μmol)。于氩气下,使该反应于80℃进行1.5小时。用水(1ml)和乙醚(1ml)稀释该反应物,并旋转。分离有机相并蒸发,得到粗品产物(化合物9,Ar=3-三氟甲基苯基)。
通过用1ml TFA处理粗品产物去除Boc基团。于室温30分钟后,蒸发TFA,得到粗品TFA盐。用1M氢氧化铵(1.0M)中和该盐,用乙醚(2×1ml)萃取。用4.0M HCl的二氧六环溶液(200μl)酸化醚相,用水(2×1ml)萃取HCl盐。用乙醚(2×1ml)洗涤上述盐水溶液,并冷冻干燥得到产物(化合物54,Ar=3-三氟甲基苯基)(10mg,39%),为白色粉末。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.26(t,J=5.6Hz,2H),2.31(t,J=5.6Hz,2H),2.88-2.91(m,4H),3.27(br,2H),3.52(br,2H),7.10-7.47(m,*H)。
C24H28N2OF3Cl x 1.80H2O分析计算值:C,59.39;H,6.56;N,5.77;实测值:C,59.39;H,5.90;N,5.77。
实施例28-52
根据与实施例27化合物54所述相同的方法,但是用各自的硼酸代替3-三氟甲基苯基硼酸,制备下列化合物。
实施例28
使用3-硝基苯基硼酸制备N,N-二乙基-4-(3-硝基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物55)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.21(br,3H),2.27-2.34(m,4H),2.92(t,J=6.0Hz,4H),3.26(br,2H),3.52(br,2H),7.10(d,J=8.4Hz,2H),7.31(d,J=8.4Hz,2H),7.40-7.50(m,2H),7.95-8.08(m,2H)。
实施例29
使用对-甲苯甲酰基硼酸制备N,N-二乙基-4-(4-甲苯甲酰基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物56)。
1H NMR(CDCl3)(碱)δ 1.10(br,3H),1.19(br,3H),2.29(s,3H),2.26-2.31(m,4H),2.86-2.88(m,4H),3.25(br,2H),3.49(br,2H),6.95-7.28(m,8H)。
实施例30
使用4-甲酰基苯基硼酸制备N,N-二乙基-4-(4-甲酰基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物57)。
1H NMR(CDCl3)(碱)δ 1.10(br,3H),1.20(br,3H),2.28-2.33(m,4H),2.89-2.92(m,4H),3.25(br,2H),3.50(br,2H),7.08-7.79(m,8H),9.95(9s,1H)。
实施例31
使用3-氯-4-氟苯基硼酸制备N,N-二乙基-4-(3-氯-4-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物58)。
1H NMR(CDCl3)(碱)δ 1.10(br,3H),1.20(br,3H),2.26-2.30(m,4H),2.86-2.91(m,4H),3.25(br,2H),3.50(br,2H),6.93-7.30(m,7H)
实施例32
使用4-氟苯基硼酸制备N,N-二乙基-4-(4-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物59)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.16(br,3H),2.25(s,4H),2.84(s,4H),3.20(br,2H),3.47(br,2H),6.92(m,2H),7.01(m,4H),7.23(d,J=8.8Hz,2H)。
实施例33
使用2-氟苯基硼酸制备N,N-二乙基-4-(2-氟苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物60)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.15(br,3H),2.10(t,J=5.2Hz,2H),2.27(t,J=5.2Hz,2H),2.83(m,4H),3.20(br,2H),3.45(br,2H),6.94-7.03(m,3H),7.10-7.23(m,5H)。
实施例34
使用2,4-二氯苯基硼酸制备N,N-二乙基-4-(2,4-二氯苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物61)。
1H NMR(DMSO)(HCl盐)δ 1.07(br,6H),2.24(t,2H),2.50(t,2H),3.10(t,2H),3.30(t,2H),3.31(br,2H),3.43(br,2H),7.25(d,J=8.4Hz,2H),7.32(d,J=8.4Hz,2H),7.43(d,J=8.0Hz,1H),7.47(d,J=8.0Hz,1H),7.68(s,1H),9.20(br,2H)。
实施例35
使用3,5-二氯苯基硼酸制备N,N-二乙基-4-(3,5-二氯苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物62)。
1H NMR(DMSO)(HCl盐)δ 1.03(br,6H),2.36-2.38(m,4H),3.0-3.2(m,4H),3.2(br,2H),3.38(br,2H),7.19(s,1H),7.21(d,J=8.0Hz,2H),7.29(d,J=8.0Hz,2H),7.49(s,2H),9.10(br,2H)。
实施例36
使用3-乙酰基苯基硼酸制备N,N-二乙基-4-(3-乙酰基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物63)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.26(t,J=5.6Hz,2H),2.32(t,J=5.6Hz,2H),2.55(s,3H),2.92-2.88(m,4H),3.26(br,2H),3.51(br,2H),7.11(d,J=8.0Hz,2H),7.29(d,J=8.0Hz,2H),7.29(d,J=7.2Hz,1H),7.37(t,J=8.0Hz,1H),7.70(s,1H),7.79(d,J=7.2Hz,1H)。
实施例37
使用3,5-三氟甲基苯基硼酸制备N,N-二乙基-4-(3,5-三氟甲基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物64)。
1H NMR(DMSO)(HCl盐)δ 1.06(br,3H),1.08(br,3H),2.33(br,2H),2.41(br,2H),3.12(br,6H),3.38(br,2H),7.24(d,J=7.6Hz,2H),7.30(d,J-=7.6Hz,2H),7.84(s,2H),8.00(s,2H),8.9(br,2H)。
实施例38
使用3-噻吩基硼酸制备N,N-二乙基-4-(3-噻吩基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物65)。
1H NMR(DMSO)(HCl盐)δ 1.10(br,6H),2.44(t,2H),2.58(t,2H),3.10-3.15(m,4H),3.21(br,2H),3.44(br,2H),6.86(d,J=4.8Hz,1H),7.20(d,J=8.0Hz,2H),7.32(d,J=8.0Hz,2H),7.33(s,1H),7.52(d,J=4.8Hz,1H)。
实施例39
使用2-噻吩基硼酸制备N,N-二乙基-4-(2-噻吩基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物66)。
1H NMR(CDCl3)(碱)δ 1.12(br,3H),1.20(br,3H),2.24(t,J=5.2Hz,2H),2.50(t,J=5.2Hz,2H),2.58(t,J=5.6Hz,2H),2.92(t,J=5.6Hz,2H),3.27(br,2H),3.51(br,2H),6.75(d,J=3.6Hz,1H),6.93(t,J=3.6Hz,1H),7.16(d,J=7.2Hz,2H),7.21(d,J=3.6Hz,1H),7.30(d,J=7.2Hz,2H)。
实施例40
使用4-甲硫基苯基硼酸制备N,N-二乙基-4-(4-甲硫基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物67)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.32-2.75(m,4H),2.45(s,3H),2.90-2.87(m,4H),3.26(br,2H),3.51(br,2H),7.01(d,J=6.0Hz,2H),7.10(d,J=6.0Hz,2H),7.15(d,J=6.8Hz,2H),7.27(d,J=6.8Hz,2H).
实施例41
使用3-氨基苯基硼酸制备N,N-二乙基-4-(3-氨基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物68)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.27-2.33(m,4H),2.86-2.90(m,4H),3.27(br,2H),3.51(br,2H),3.57(br,2H),3.68(s,1H),6.39(s,1H),6.52(dd,J=1.6Hz,J=7.6Hz,2H),7.06(t,J=8.0Hz,1H),7.12(d,J=6.4Hz,2H),7.26(d,J=6.4Hz,2H)。
实施例42
使用4-三氟甲基苯基硼酸制备N,N-二乙基-4-(4-三氟甲基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物69)。
1H NMR(DMSO)(HCl盐)δ 1.05(br,6H),2.35(t,2H),2.40(t,2H),3.09(m,6H),3.35(br,2H),7.17(d,J=8.0Hz,2H),7.28(d,J=8.0Hz,2H),7.35(d,J=8.0Hz,2H),7.67(d,J=8.0Hz,2H),8.71(br,2H)。
实施例43
使用4-甲氧基苯基硼酸制备N,N-二乙基-4-(4-甲氧基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物70)。
1H NMR(CDCl3)(碱)δ 1.12(br,3H),1.19(br,3H),2.29(m,4H),2.87(m,4H),3.27(br,2H),3.51(br,2H),3.77(s,3H),6.80(m,2H),7.00(m,2H),7.10(d,J=8.4Hz,2H),7.26(d,J=8.4Hz)。
实施例44
使用3,4-二氯苯基硼酸制备N,N-二乙基-4-(3,4-二氯苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物71)。
1H NMR(CDCl3)(碱)δ 1.12(br,3H),1.20(br,3H),2.28(t,J=5.6Hz,4H),2.89(m,4H),3.27(br,2H),3.52(br,2H),6.8-7.4(m,7H)。
实施例45
使用2-三氟甲基苯基硼酸制备N,N-二乙基-4-(2-三氟甲基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物72)。
1H NMR(CDCl3)(碱)δ 1.05(br,3H),1.16(br,3H),1.95(m,2H),2.35-2.41(m,2H),2.7-2.9(m,4H),3.20(br,2H),3.48(br,2H),7.2-7.6(m,8H)。
实施例46
使用间-甲苯基硼酸制备N,N-二乙基-4-(3-甲苯甲酰基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物73)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.19(br,3H),2.28(s,3H),2.29(m,4H),2.89(m,4H),3.27(br,2H),3.51(br,2H),6.8-7.3(m,8H)。
实施例47
使用2-甲氧基苯基硼酸制备N,N-二乙基-4-(2-甲氧基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物74)。
1H NMR(CDCl3)(碱)δ 1.09(br,3H),1.18(br,3H),2.10(q,J=4.8Hz,2H),2.31(q,J=4.8Hz,2H),2.8-2.9(m,4H),3.25(br,2H),3.50(br,2H),3.68(s,3H),6.83-6.90(m,2H),7.0(d,1H),7.15-7.25(m,5H)。
实施例48
使用3-甲酰基苯基硼酸制备N,N-二乙基-4-(3-甲酰基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物75)。
1H NMR(CDCl3)(碱)δ 1.15(br,3H),1.20(br,3H),2.26-2.34(m,4H),2.90-2.92(m,4H),3.28(br,2H),3.2(br,2H),7.11-7.31(m,8H),9.96(s,1H)。
实施例49
使用2-萘基硼酸制备N,N-二乙基-4-(2-萘基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物76)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.35-2.39(m,4H),2.91-2.96(m,4H),3.27(br,2H),3.51(br,2H),7.16-7.40(m,5H),7.42-7.44(m,2H),7.57(s,1H),7.72-7.79(m,2H)。
实施例50
使用2-甲酰基苯基硼酸制备N,N-二乙基-4-(2-甲酰基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物77)。
1H NMR(CDCl3)(碱)δ 1.09(br,3H),1.18(br,3H),1.70-2.10(m,2H),2.40-2.49(m,2H),2.76-2.84(m,2H),2.85-2.97(m,2H),3.23(br,2H),3.48(br,2H),7.13-7.40(m,6H),7.53-7.55(m,1H),7.90(d,J=7.6Hz,1H),10.27(s,1H)。
实施例51
使用4-乙酰基苯基硼酸制备N,N-二乙基-4-(4-乙酰基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物78)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.30-2.35(m,4H),2.56(s,3H),2.92(m,4H),3.27(br,2H),3.52(br,2H),7.10-7.30(m,6H),7.87(d,J=7.2Hz,2H)。
实施例52
使用3-三氟甲基苯基硼酸制备N,N-二乙基-4-(3-三氟甲基苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物79)。
1H NMR(CDCl3)(碱)δ 1.11(br,3H),1.20(br,3H),2.26(t,J=5.6Hz,2H),2.31(t,J=5.6Hz,2H),2.88-2.91(m,4H),3.27(br,2H),3.52(br,2H),7.10-7.47(m,8H)。
实施例53
N,N-二乙基-4-([1-(2,6-二氨基-己酰基)-亚哌啶-4-基]-苯基-甲基)-苯甲酰胺(化合物80)的制备。
于-15℃氮气下,将L-Boc-赖氨酸(Cbz)(0.38g,1.0mmol)溶于无水四氢呋喃(5ml)中。然后加入N-甲基吗啉(0.11ml,1.0mmol)和氯代甲酸异丁酯(0.13ml,1mmol)。搅拌10分钟后,加入在四氢呋喃(1m)中的N,N-二乙基-4-(苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物6)(0.35g,1.0mmol),使温度升至25℃ 2小时。将该反应混合物与硅胶一起蒸发。经硅胶MPLC层析,用0-100%乙酸乙酯的庚烷溶液洗脱得到0.4g产物。
将该产物(0.40g,0.56mmol)溶于二氯甲烷(10ml)中,用三氟乙酸(3ml)处理30分钟,然后蒸发挥发物。将残留物溶于乙酸(25ml)中,经钯炭(10%,0.10g)催化经氢气(latm)氢解1.5小时。蒸发溶剂,残留物经短的反相(RP-18)柱层析纯化,用0-30%乙腈的水溶液洗脱。用5%碳酸钾/二氯甲烷萃取游离胺,得到123mg产物,然后用两个当量的盐酸的甲醇/水溶液处理。冷冻干燥得到二盐酸盐。
1H NMR:(游离胺,CD3OD)δ=1.0-1.7(m,16H,酰胺-Me,哌啶-H,赖氨酸-H),2.3-2.7和3.0-4.5(m,11H,酰胺-H,哌啶-H,赖氨酸-H),4.8(s,4H,2NH2),7.10-7.50(m,9H,Ar-H)。C29H40N4O2 x 2.4H2O x 2HCl计算值:C,58.76;H,7.96;N,9.43。实测值:C,58.70;H,7.51;N,9.33。
实施例54
4-[(4-二乙基氨基甲酰基-苯基)-苯基-亚甲基]-哌啶-1-甲酸膦酰基-氧基甲酯(化合物81)的制备。
将N,N-二乙基-4-(苯基-亚哌啶-4-基-甲基)-苯甲酰胺(化合物6)(0.62g,1.8mmol)溶于二氯甲烷(10ml)中,加入1,8-双二氨基萘(0.42g,2.0mmol)。将该溶液冷却至0℃,滴加在二氯甲烷(1ml)中的氯代甲酸氯代甲酯(0.25g,2.0mmol)。于25℃2小时后,再先加入一份1,8-双二氨基萘(0.21g,1.0mmol),然后加入氯代甲酸氯代甲酯(0.12g,1.0mmol)。共4小时后,用1M盐酸和盐水洗涤该溶液,干燥(硫酸镁)并蒸发,得到0.62g。将残留物溶于甲苯(25rml)中,加入二苄基磷酸银(0.81g,2.1mmol),于80℃将该混合物加热3小时。过滤该溶液,然后用5%碳酸钾溶液和盐水洗涤,干燥(碳酸钾)并蒸发。经硅胶MPLC纯化,用0-100%乙酸乙酯的庚烷溶液洗脱,得到0.66g(0.96mmol,54%)残留物。将该残留物溶于乙酸乙酯(50ml)中,经钯炭(10%,0.3g)催化氢解(1atm氢气)2小时。过滤并蒸发溶剂后,用两个当量的氢氧化钠的甲醇/水溶液处理。冷冻干燥得到为白色固体的产物的二钠盐。
1H NMR:(D2O)δ=1.03,1.20(2m,6H,酰胺-Me),2.34(m,4H,哌啶-H),3.19-3.61(m,8H,酰胺-CH2,哌啶-H),5.44(d,J=13Hz,2H,OCH2O),7.18-7.36(m,9H,Ar-H)。
化合物80和化合物81分别为通式(I)化合物的适当的前体药物。
G)实施例55-57化合物制备的合成流程
根据下列流程7的方法制备实施例55、56和57的化合物。
流程7
(i)4-{溴代[4-(吗啉代羰基)苯基]亚甲基}-1-哌啶甲酸叔丁酯(化合物82)的制备
于室温下,向化合物51(根据流程6制备)(0.25g,0.625mmol)和新鲜蒸馏的三乙胺(0.5ml)的二氯甲烷(12ml)溶液中滴加草酰氯(0.38rml,2.0M,0.75mmol)。于室温下将该溶液搅拌10分钟,真空去除溶剂和过量的试剂,得到粗品产物酰氯,将其不经进一步纯化用于下一步骤。
将吗啉(56mg,0.65mmol)加至酰氯(0.65mmol)和三乙胺(0.5ml)的二氯甲烷(5ml)溶液中。使该反应于室温下进行1小时。然后真空去除溶剂。使粗品产物分配于乙酸乙酯(25ml)和水(25ml)之间。用乙酸乙酯洗涤水层,用2M氢氧化钠(2×25ml)、2M盐酸(2×25ml)和盐水(2×25ml)洗涤合并的乙酸乙酯层,经硫酸镁干燥。真空去除溶剂,得到产物(化合物82)(294mg,产率97%)。
1H nmr CDCl3(400MHz)1.44(s,9H),2.21(t,J=5.6Hz,2H),2.62(t,J=5.6Hz,2H),3.31(t,J=5.6Hz,2H),3.52(t,J=5.6Hz,2H),3.69(br,8H),7.31(d,J=6.4Hz,2H),7.37(d,J=6.4Hz,2H)。
(ii)4-{溴代[4-(哌啶子基羰基)苯基]亚甲基}-1-哌啶甲酸叔丁酯(化合物83)的制备
根据与化合物82制备相同的方法制备,但是用哌啶代替吗啉。
1H nmr CDCl3(400MHz)1.44(s,9H),1.51(br,2H),166(br,4H),2.21(t,J=5.6Hz,2H),2.62(t,J=5.6Hz,2H),3.31(t,J=5.6Hz,2H),3.33(br,2H),3.52(t,J=5.6Hz,2H),3.68(br,2H),7.26(d,J=8.4Hz,2H),7.35(d,J=8.4Hz,2H)。
(iii)4-{溴代[4-(四氢-1H-1-吡咯基羰基)苯基]亚甲基}-1-哌啶甲酸叔丁酯(化合物84)的制备
根据与化合物82制备相同的方法制备,但是用吡咯烷代替吗啉。
1H nmr CDCl3(400MHz)1.44(s,9H),1.87(q,J=6.8Hz,2H),1.95(q,J=6.8Hz,2H),2.20(t,J=5.6Hz,2H),2.62(t,J=5.6Hz,2H),3.31(t,J=5.6Hz,2H),3.43(t,J=6.8Hz,2H),3.52(t,J=5.6Hz,2H),3.63(t,J=6.8Hz,2H),7.27(d,J=8.0Hz,2H),7.47(d,J=8.0Hz,2H)。
实施例55
4-[(3-氟代苯基)-哌啶-4-基-甲基]-苯基-吗啉-4-基-甲酮(化合物85)的制备
向化合物82(37mg,0.082mmol)和四(三苯膦)钯(O)(5mg,0.0043mmol)的二甲苯(脱气,0.5ml)溶液中加入3-氟代苯基硼酸(25mg,0.18mmol)的乙醇(脱气,0.5mol)溶液,接着加入150μl 2M碳酸钠(300μmol)水溶液。使该反应于80℃氩气下进行2小时。用水(lml)和乙醚(1ml)稀释该反应物并旋转。分离有机相,蒸发得到粗品产物,将其不经进一步纯化使用。
通过用1ml三氟乙酸处理粗品产物去除Boc基团。于室温30分钟后,蒸发三氟乙酸得到粗品三氟乙酸盐。用1M氢氧化铵(1.0M)中和该盐,用乙醚(2×1ml)萃取。用4.0M HCl的二氧六环(200μl)溶液酸化醚相,用水(2×1ml)萃取盐酸盐。用乙醚(2×1ml)洗涤上述盐的水溶液,冷冻干燥得到为白色粉末的产物。
1H NMRCDCl3(400MHz)δ 2.67(m,4H),3.19(m,4H),3.45(br,2H),3.68(br,6H),6.75(d,J=9.6Hz,1H),6.85(d,J=8.0Hz,1H),6.95(m,1H),7.11(d,J=7.6Hz,2H),7.25(s,1H),7.35(d,J=7.6Hz,2H)。
实施例56
4-[(3-氟代苯基)-哌啶-4-基-甲基]-苯基-哌啶-1-基-甲酮(化合物86)的制备
根据与化合物85制备所述相同的方法,但是用化合物83作为原料。
1H NMR CDCl3(400MHz)δ 1.51(br,2H),1.65(br,4H),2.60(br,4H),3.14(br,4H),3.33(br,2H),3.68(br,2H),6.78(d,J=8.0Hz,1H),6.86(d,J=8.0Hz,1H),6.93(t,J=8.0Hz,1H),7.08(d,J=8.4Hz,2H),7.25(s,1H),7.32(d,J=8.4Hz,2H)。
实施例57
4-[(3-氟代苯基)-哌啶-4-基-甲基]-苯基-吡咯烷-1-基-甲酮(化合物87)的制备
根据与化合物85制备所述相同的方法,但是用化合物84作为原料。
1H NMRCDCl3(400MHz)δ 1.84-1.89(m,2H),1.90-1.98(m,2H),2.60-2.63(m,4H),3.13-3.17(m,4H),3.41(t,J=6.8Hz,2H),3.62(t,J=6.8Hz),6.73(d,J=8.8Hz,1H),6.86(d,J=7.2Hz,1H),6.93(m,1H),7.10(d,J=8.0Hz,2H),7.25(s,1H),7.45(d,J=8.0Hz,2H)。
H)实施例58-68化合物制备的合成流程
根据下列流程8(a)-(c)的方法制备实施例58-68的化合物。
流程8(a)
流程8(b)
流程8(c)
(i)4-[溴代-(4-乙氧基羰基氨基-苯基)-甲基]-哌啶-1-羧酸叔丁酯(化合物88)的制备
向化合物51(根据流程6制备)(0.25g,0.625mmol)的甲苯(5ml)混合液中加入二苯基磷酰基叠氮化物(0.192g,0.70Hmol)和三乙胺(0.1ml,0.7mmol)。于95℃氮气下将该混合物搅拌2小时后,加入过量的无水乙醇(2ml)和三乙胺(0.1ml),于95℃将该溶液再搅拌5小时。冷却至室温后,使该反应混合物分配于水和乙醚之间。用水洗涤乙醚层,经硫酸镁干燥,真空去除得到产物(化合物88)(300mg,产率99%),为褐色泡沫状物。
1H NMR(400MHz)CDCl3 1.30(t,J=7.2Hz,3H),1.44(s,9H),2.22(t,J=6.0Hz,2H),2.60(t,J=6.0Hz,2H),3.31(t,J=6.0Hz,2H),3.51(t,J=6.0Hz,2H),4.21(q,J=7.2Hz,2H),6.58(s,1H),7.19(d,J=8.4Hz,2H),7.33(d,J=8.4Hz,2H)。
(ii)4-[(4-乙氧基羰基氨基苯基)-(3-氟代苯基)-甲基]-哌啶-1-羧酸叔丁酯(化合物92)的制备
以平行的方式进行4个乙烯基溴化合物(化合物88-91)与3-氟代苯基硼酸的Suzuki偶合。在25×150mm的培养管中进行反应和液液萃取。下面为一般反应的方法。
向化合物88(0.30g,0.625mmol)和四(三苯膦)钯(O)(50mg)的甲苯(脱气,5ml)溶液中加入3-氟代苯基硼酸(0.182g,1.3mmol)的乙醇(脱气,5ml)溶液,接着加入0.75ml 2M的碳酸钠水溶液(1.5mmol)。于氩气下,使该反应于80℃进行3小时。用水和乙醚稀释该反应物,并旋转。分离有机相并蒸发,得到粗品产物。将该粗品产物经硅胶层析纯化,用0-50%乙酸乙酯的己烷溶液洗脱,得到为白色粉末的产物(化合物92)(0.166g,产率58%)。
1H NMR(400MHZ)(CDCl3)δ 1.25(t,J=7.2Hz,3H),1.44(s,9H),2.27-2.33(m,4H),3.41-3.44(m,4H),4.20(q,J=7.2Hz,2H),6.52(s,1H),6.76(d,J=10Hz,2H),6.85-6.89(m,2H),7.01(d,J=8.8Hz,2H),7.19-7.23(m,1H),7.28(d,J=8.8Hz,2H)。
实施例58
4-[(3-氟代苯基)-哌啶-4-基-甲基]-苯基-氨基甲酸乙酯(化合物96)的制备
以小规模平行的方式在试管(13mm×100mm)中进行BOC保护基团的去除。一般反应如下:
通过用HCl的二氧六环(4.0M,2ml)溶液处理化合物92(50mg,0.11mmol)去除BOC基团。于室温下将该混合物搅拌30分钟。真空去除溶剂和HCl,冷冻干燥后得到为白色粉末的化合物96(40mg,产率99%)。
1H NMR(400MHz)(CDCl3)δ 1.28(t,J=7.2Hz,3H),2.27-2.31(m,4H),2.85-2.91(m,4H),4.19(q,J=7.2Hz,2H),6.50(s,1H),6.76(d,J=10Hz,1H),6.85-6.89(m,2H),7.01(d,J=8.8Hz,2H),7.19-7.23(m,1H),7.28(d,J=8.8Hz,2H)。
实施例59
4-[(3-氟代苯基)-哌啶-4-基-甲基]-苯基-甲基氨基甲酸乙酯(化合物100)的制备
以小规模平行的方式在试管(13mm×100mm)中进行酰胺氮的烷基化。一般反应如下:
向化合物92(50mg,0.11mmol)的二氯甲烷(1.5ml)溶液中加入甲基碘(31mg,0.22mmol)、氢氧化钠水溶液(1.0ml,2M)和四丁基硫酸铵(44mg,0.13mmol)。将该溶液回流1小时。冷却至室温后,分离二氯甲烷层并蒸发。向残留物中加入乙醚,过滤去除白色的四丁基碘化铵。真空去除乙醚得到粗品产物,为澄清油状物的化合物100。根据前述通过用HCl的二氧六环溶液处理去除BOC基团,冷冻干燥后得到为白色粉末的产物(17mg,产率42%)。
1H NMR(400MHz)(CDCl3)δ 1.23(t,J=7.2Hz,3H),2.27-2.33(m,4H),2.85-2.91(m,4H),3.26(s,3H),4.15(q,J=7.2Hz,2H),6.78(d,J=10Hz,1H),6.85-6.89(m,2H),7.05(d,J=8.0Hz,2H),7.14(d,J=8.0Hz,2H),7.19-7.23(m,1H)。
实施例60
4-[(1-苄基哌啶-4-基)-(3-氟代苯基)-甲基]-苯基-氨基甲酸乙酯(化合物116)的制备
以小规模平行的方式在试管(13mm×100mm)中进行化合物100的苄基化。一般反应如下:
通过向化合物100(0.046mmol)的水溶液中加入氢氧化铵(1M,0.5ml)并用乙醚萃取,获得化合物100的游离碱形式。真空去除醚得到油状物,将其溶于二氯甲烷中,用苄基溴(0.14ml,0.5M二氯甲烷溶液)和三乙胺(0.05ml)处理。于室温下将该溶液搅拌5小时。真空去除溶剂。将产物溶于水/乙腈/盐酸(2:1:0.5M)中,冷冻干燥得到为白色粉末的产物化合物108。
1H NMR(400MHz)(CDCl3)δ 1.28(t,J=7.2Hz,3H),2.33-2.36(m,4H),2.38-2.46(m,4H),3.51(s,2H),4.19(q,J=7.2Hz,2H),6.50(s,1H),6.78(d,J=10Hz,1H),6.85-6.89(m,2H),7.05(d,J=8.0Hz,2H),7.19-7.30(m,7H)。
实施例61-68
根据流程8(a)-(c)所述的合成途径也可以制备下列化合物。
表1
表1(续)
表1(续)
表1(续)
目前已知的进行本发明的最佳模式为使用化合物6、7、9、10、12、26、27、34、39、44、58、59、62、69、71、104、106和109。
药用组合物
根据本发明的新化合物可以以下列方式给药:口服、肌内、皮下、局部、鼻内、腹膜内、胸内、静脉、硬膜外、鞘内、脑室内(intracerebroventricularly)以及注射入关节内。
优选的给药途径为口服、静脉或肌内。
给药的剂量取决于给药途径、疾病的严重程度、患者的年龄和体重以及主治医师在决定特定患者的单独给药方案和最佳剂量水平时通常考虑的其它因素。
制备本发明化合物的药用组合物形式时,惰性的药学上可接受的载体可以为固体或液体。固体形式的制剂包括粉剂、片剂、分散颗粒剂、胶囊剂、扁囊剂和栓剂。
固体载体可以为一种或多种物质,它们也可以作为稀释剂、矫味剂、增溶剂、润滑剂、悬浮剂、粘合剂或片剂崩解剂;也可以为形成胶囊的物质。
如为粉剂,所述载体为精细的固体,该固体与精细的活性组分形成混合物。为片剂时,将所述活性组分与具有必需的粘合性质的载体以适当的比例混合,然后压制成所需形状和大小。
制备栓剂组合物时,首先将低熔点的蜡如脂肪酸甘油酯和椰子油熔化,然后通过如搅拌将活性组分分散于其中。随后将熔化的均匀混合物倾至适当大小的模中,使其冷却并固化。
适当的载体为碳酸镁、硬脂酸镁、滑石粉、乳糖、糖、果胶、糊精、淀粉、西黄蓍胶、甲基纤维素、羧甲基纤维素钠、低熔点蜡、椰子油等。
药学上可接受的盐为乙酸盐、苯磺酸盐、苯甲酸盐、碳酸氢盐、酒石酸氢盐、氢溴酸盐、乙酸钙、camsylate、碳酸盐、盐酸盐、柠檬酸盐、二盐酸盐、乙二胺四乙酸盐、edisylate、estolate、esylate、富马酸盐、glucaptate、葡糖酸盐、谷氨酸盐、乙醇酰基对氨基苯基胂酸盐、己基间苯二酚盐、hydrabamine、氢溴化物、氢氯化物、羟基萘甲酸盐、碘化物、羟乙磺酸盐、乳酸盐、乳糖酸盐、苹果酸盐、马来酸盐、扁桃酸盐甲磺酸盐、甲基溴化物、甲基硝酸盐、甲基硫酸盐、粘酸盐、α-苯磺酸盐(napsylate)、硝酸盐、扑酸盐(embonate)、泛酸盐、磷酸盐/磷酸氢盐、聚半乳糖酸盐、水杨酸盐、硬脂酸盐、碱式乙酸盐、琥珀酸盐、硫酸盐、鞣酸盐、酒石酸盐、8-氯茶碱盐、三乙基碘、苄星青霉素、氯代普鲁卡因、胆碱、二乙醇胺、乙二胺、葡甲胺(meglumine)、普鲁卡因、铝盐、钙盐、锂盐、镁盐、钾盐、钠盐和锌盐。
优选的药学上可接受的盐为盐酸盐和柠檬酸盐。
术语组合物意欲包括活性组分与作为载体的胶囊形成物质形成的制剂,得到活性组分(含有或无其它载体)被与此相关的载体包围的胶囊剂。同样包括扁囊剂。
固体剂型的片剂、粉剂、扁囊剂和胶囊剂适合用于口服给药。
液体形式的组合物包括溶液、悬浮液和乳剂。活性化合物的无菌水或水-丙二醇溶液为可以提及的适合胃肠外给药的液体制剂的实例。也可以配制在聚乙二醇水溶液中的液体组合物。
通过将活性组分溶于水中,加入适当的着色剂、矫味剂、稳定剂和增稠剂(如果需要),可以制备口服给药的水溶液。通过将精细的活性组分与粘性物质以及制剂领域已知的其它悬浮剂一起分散于水中可以制备口服应用的水性悬浮剂,所述粘性物质如天然合成胶、树脂、甲基纤维素、羧甲基纤维素钠。
优选所述药用组合物为单位剂型。为此类形式时,可以将该组合物分为含有适当量的活性组分的单位剂量。该单位剂型可以为包装制剂,每个包装含有可区分量的制剂,如包装的片剂、胶囊剂和管制瓶或安瓿中的粉剂。所述单位剂型也可以为胶囊、扁囊或片剂本身,或者为这些包装形式的适当数目。
生物学评价
A)体外模型
细胞培养
使表达人μ、δ和K受体、新霉素抗性的人293S细胞生长于37℃、5%二氧化碳下的振摇烧瓶中的悬浮液中,该悬浮液含有无钙的DMEM10% FBS、5% BCS、0.1% Pluronic F-68和600μg/ml遗传霉素。
膜制备
使细胞沉淀,并再悬浮于裂解缓冲液(50mM Tris,pH 7.0,2.5mMEDTA,在用前加入PMSF至0.1mM,储备液为0.1M乙醇溶液),于冰中孵育15分钟,然后用polytron匀化30秒。于4℃将悬浮液以1000g(max)离心10分钟。如前将上清液在冰中孵育、再悬浮沉淀并离心。合并两次离心的上清液,于46000g(max)离心30分钟。将沉淀再悬浮于冷的Tris缓冲液(50mM Tris/Cl,pH 7.0)中,并再次离心。将终沉淀再悬浮于膜缓冲液(50mM Tris,0.32蔗糖,pH 7.0)中。将在聚丙烯管中的各份(1ml)冷冻于干冰/乙醇中并于-70℃储存待用。用SDS经改良Lowry测定法检测蛋白浓度。
结合测定
将上述膜于37℃融化,于冰上冷却,通过25-号(gauge)针3次,用结合缓冲液(50mM Tris,3mM氯化镁,1mg/mlBSA(Sigma A-7888),pH 7.4,将其通过0.22m滤膜过滤后于4℃储存,并向其中加入新鲜的5μg/ml抑蛋白酶肽、10μM苯丁抑制素、10μM diprotin A,不加DTT)。将100μl的各份(蛋白μg数见表1)加至冰冷的12×75mm聚丙烯管中,这些管中含有100μl适当的放射配体(见表1)和100μl各种浓度的受试肽。分别在无纳洛酮和10μM纳洛酮存在下测定总结合(TB)和非特异性结合(NS)。于25℃将各管旋转并孵育60-75分钟,然后快速真空过滤内容物,每管用约12ml冰冷的洗涤缓冲液(50mM Tris,pH7.0,3mM氯化镁)通过GF/B滤膜(Whatman)洗涤,该滤膜用0.1%聚乙烯亚胺预浸至少2小时。将上述滤膜在含有6-7ml闪烁液的小瓶(minivials)中浸泡至少12小时后,用β计数仪测定保留于滤膜上的放射活性(dpm)。若测定在96孔的深孔培养板上进行,则过滤物存留于96孔PEI-浸泡的单滤膜(unifilters)上,用3×1ml洗涤缓冲液洗涤该滤膜,于55℃在烘箱中干燥2小时。向每孔中加入50μl MS-20闪烁液后,用TopCount(Packard)对过滤培养板计数.
数据分析
特异性结合(SB)以TB-NS计算,在各种受试肽存在下的SB以对照SB的百分数表示.由对数绘制或曲线拟合程序如Ligand,GraphPadPrism,SigmaPlot或ReceptorFit计算出特异性结合的放射性配体置换的配体的IC50值和Hill相关系数(nH)。由Cheng-Prussoff方程计算Ki值。受试配体的IC50、Ki和nH的平均值±S.E.M值以至少三条置换曲线报道。
受体饱和试验
在估计Kδ的0.2-5倍的浓度范围内(如果所需放射配体的量可行的话,可高至10倍),用适当的放射配体在细胞膜上进行结合测定,以测定放射配体的Kδ值。特异性放射配体结合以每mg膜蛋白的pmol表示.根据一-位点模型,由特异性结合(B)与自由放射配体(F)的nM的非线性拟合获得每个试验的Kδ和Bmax值.
B)生物学模型(体内模型)
弗氏完全佐剂(FCA)和坐骨神经上套诱导的大鼠机械异常性疼痛
动物
手术时使用体重175-200g的雄性Sprague-Dawley大鼠(CharlesRiver,St-Constant,加拿大)。将这些动物以每组三只置于恒温于20℃的室内,12:12小时的明亮/黑暗循环,自由摄食和饮水.在手术前使这些动物适应环境至少两天。经适当的动物研究医学伦理委员会(Medical Ethical Committee)批准进行试验。
试验方法
弗氏完全佐剂
首先将上述大鼠在卤烷室中麻醉,然后在左足第二和第三外指间背区域皮下注射10μl FCA。然后在笼中观测下使这些动物从麻醉中恢复。
坐骨神经上套
根据Mosconi和Kruger(1996)所述的方法准备动物。用氯胺酮/甲苯噻嗪的混合物经腹腔注射(2ml/kg)麻醉大鼠,使大鼠卧于右侧,沿左股侧轴切开。拨开四头肌暴露坐骨神经,并将塑料套(PE-60管,2mm长)套于其周围。然后用3-0vicryl和丝线双层缝合伤口。
用VON FREY试验测定机械异常性疼痛
根据Chaplan等(1994)所述方法,在08:00至16:00进行试验。将大鼠置于金属网底的Plexiglas的笼中,使其爪能够接近,并使其适应10-15分钟。受试区域为左后爪的中足底部,以避免不太敏感的足垫部。用对数增长硬度(0.41,0.69,1.20,2.04,3.63,5.50,8.51和15.14克,Stoelting,III,USA)的8个Von Frey毛发系列触及上述爪。将VonFrey毛发从网下方垂直施于足底表面,力的大小足以引起其在与爪之间的稍微弯曲,并维持约6-8秒。如果该爪快速退缩,则观测为阳性反应。去除毛发后立即退缩也被认为是阳性反应。认为移动是不明确的阳性反应,在此情况下则重复所述刺激。.
试验方法
在手术后第1天对FCA-处理组的动物进行试验,在手术后第7天对坐骨神经上套组进行试验。用Dixon(1980)所述的上-下方法(up-down method)测定50%退缩的阈值。试验由用2.04g毛发开始,该值居于系列的中间。以连续的方式进行刺激,升高或者降低。如果对开始选择的毛发无爪退缩反应,那么给予更强的刺激;如果产生爪退缩,则选择下一个较弱的刺激。根据该方法计算最佳阈值需要6个50%阈值最接近的反应,当第一个反应变化发生时,即阂值第一次交叉时,开始对6个反应进行计数。当阈值落于刺激范围外时,分别指定15.14(正常敏感度)或0.41(最大异常性疼痛)的值。根据常规将产生的阳性反应和阴性反应的结果类型制成表,X=无退缩;O=退缩,用下式经插入法进行50%退缩阈值的计算:
50%g阈值=10(Xf+Kδ)/10000
其中Xf=使用的最后一个von Frey毛发值(对数单位);K=阳性/阴性反应类型的表值(根据Chaplan等(1994));δ=刺激的平均差(对数单位)。在此δ=0.224。
根据Chaplan等(1994)将Von Frey阈值转化为最大可能效应(%MPE)的百分率。用下列方程计算%MPE:
受试物质的给予
在von Frey试验前,注射(皮下、腹膜内或经口)给予大鼠受试物质,根据受试化合物的性质决定给予受试化合物和von Frey试验间的时间。
定义
下列缩写具有指定的意义
Ac=乙酰基
Ar=芳基
t-BOC=叔-丁氧基羰基
t-Bu=叔-丁基
Et=乙基
iPr=异丙基
Me=甲基
Ph=苯基
Pr=丙基
r.t.=室温
TFA=三氟乙酸
THF=四氢呋喃
TMEDA=N,N,N’,N’-四甲基乙二胺
Claims (17)
1.通式(I)的化合物或式(I)化合物的药学上可接受的盐或水合物:
R1选自
氢、支链或直链C1-C6烷基、C1-C6链烯基、C3-C8环烷基;C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;
C6-C10芳基;或具有5-10个选自C、S、N和O的原子的杂芳基;其中所述芳基和杂芳基任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)pCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)pNR5R4、-(CH2)pCH3(CH2)pSOR5R4、-(CH2)pSO2R5和-(CH2)pSO2NR5,其中p为0、1或2;
(C1-C2烷基)-(C6-C10芳基);或(C1-C2烷基)杂芳基,所述杂芳基具有5-10个选自C、S、N和O的原子,且其中所述芳基或杂芳基任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)qCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)qNR5R4、-(CH2)qCH3(CH2)qSOR5R4、-(CH2)qSO2R5、-(CH2)qSO2NR5和(-CH2)pOR5,其中q为0、1或2;和
其中R18、R19、R20、R21、R22、R23、R24和R25各自独立为氢、
C1-C6烷基或C1-C6链烯基;
R2和R3各自独立为氢或C1-C6烷基;
A选自
其中R8、R9、R10、R11、R12、R13、R14、R15、R16和R17各自独立选自氢;支链或直链C1-C6烷基;C1-C6链烯基;C3-C8环烷基;C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;C6-C10芳基;具有5-10个选自C、S、N和O的原子的杂芳基;-(C1-C2烷基)-(C6-C10芳基);或-(C1-C2烷基)杂芳基,其中杂芳基部分具有5-10个选自C、S、N和O的原子;和
R18、R19、R20、R21、R22、R23、R24和R25各自独立为氢、C1-C6烷基或C1-C6链烯基;
且其中每个A取代基的苯环任选并独立在苯环的任何位置由1个或2个各自独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中r为0、1或2;
Q为C5-C6加氢芳基或具有5个或6个选自C、S、N和O的原子的加氢杂芳基;C5-C6环烷基或具有5个或6个选自C、S、N和O原子的杂环烷基;且其中每个Q任选被各自独立选自下列的Z1和Z2取代基取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中r为0、1或2;
B选自取代或未取代的苯基和萘基,任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)tCF3、卤素、-(CH2)tCONR5R4、-(CH2)tNR5R4、-(CH2)tCOR5、-(CH2)tCOOR5、-OR5、-(CH2)tSOR5、-(CH2)tSO2R5和-(CH2)tSO2NR5R4,其中t为0、1、2或3;
2.通式(I)化合物
其中R8、R9、R10、R11、R12、R13、R14、R15、R16和R17各自独立选自氢;支链或直链C1-C6烷基;C1-C6链烯基;C3-C8环烷基;C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;C6-C10芳基;具有5-10个选自C、S、N和O的原子的杂芳基;-(C1-C2烷基)-(C6-C10芳基);或-(C1-C2烷基)杂芳基,其中杂芳基部分具有5-10个选自C、S、N和O的原子;和
且其中每个A取代基的苯环任选并独立在苯环的任何位置由1个或2个各自独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中r为0、1或2;
Q选自吗啉、哌啶和吡咯烷;
R1选自氢、支链或直链C1-C4烷基、C3-C5环烷基;C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;C6-C10芳基;和具有5-6个选自C、S、N和O原子的杂芳基;其中所述芳基或杂芳基任选并独立由1个或2个独立选自下列的取代基取代:氢、CH3、-(CH2)pCF3、卤素、-CONR5R4、-COOR5、-COR5、-(CH2)pNR5R4、-(CH2)pCH3(CH2)pSOR5R4、-(CH2)pSO2R5和-(CH2)pSO2NR5,其中p为0、1或2;
B选自苯基、萘基、苯并噻吩基和喹啉基,每个任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、CF3、卤素、-(CH2)qCONR5R4、-(CH2)qNR5R4、-(CH2)qCOR5、-(CH2)qCO2R5和-OR5,其中q为0或1;
R2和R3各自独立为氢或甲基;
其中R4、R5、R6和R7各自独立选自氢;支链或直链C1-C6烷基;C1-C6链烯基;C3-C8环烷基;C4-C8(烷基-环烷基),其中烷基为C1-C2烷基,环烷基为C3-C6环烷基;C6-C10芳基;具有5-10个选自C、S、N和O的原子的杂芳基;-(C1-C2烷基)-(C6-C10芳基);或-(C1-C2烷基)杂芳基,其中杂芳基部分具有5-10个选自C、S、N和O的原子;和
R18、R19、R20、R21、R22、R23、R24和R25各自独立为氢、C1-C6烷基或C1-C6链烯基。
3.权利要求2的式(I)化合物,其中
A为
其中R8和R9均为乙基,且其中所述苯环任选并独立在苯环的任何位置由1个或2个各自独立选自下列的取代基Z1和Z2取代:氢、CH3、-(CH2)qCF3、卤素、-CONR6R7、-COOR6、-COR6、-(CH2)rNR6R7、-(CH2)rCH3(CH2)rSOR6、-(CH2)rSO2R6和-(CH2)rSO2NR6R7,其中R6和R7如权利要求2中所定义,r为0、1或2;
R1选自氢、甲基、乙基、-CH2CH=CH2-、-CH2-环丙基、-CH2-C6-10芳基或CH2-杂芳基,其中所述杂芳基部分具有5-6个选自C、S、N和O的原子;
B选自苯基、萘基、苯并噻吩基和喹啉基,每个任选且独立由1个或2个独立选自下列的取代基取代:氢、CH3、CF3、卤素、-(CH2)qCONR5R4、-(CH2)qNR5R4、-(CH2)qCOR5、-(CH2)qCO2R5和-OR5,其中q为0或1,R4和R5如权利要求2中所定义;
R2和R3各自独立为氢或甲基。
4.一种化合物,其为N,N-二乙基-4-(3-噻吩基-亚哌啶-4-基-甲基)-苯甲酰胺或N,N-二乙基-4-(2-噻吩基-亚哌啶-4-基-甲基)-苯甲酰胺。
5.前述权利要求任何一项的化合物,它们为其盐酸盐、硫酸盐、酒石酸盐或柠檬酸盐形式。
6.权利要求1-5中任何一项的化合物在生产用于治疗涉及交感神经系统疾病的药物中的用途。
7.权利要求1的式(I)化合物在生产用于治疗疼痛的药物中的用途。
8.权利要求1的式(I)化合物在生产用于治疗胃肠道疾病的药物中的用途。
9.权利要求1的式(I)化合物在生产用于治疗脊柱损伤的药物中的用途。
10.权利要求1-5中任何一项的化合物,其特征还为它是用同位素标记的。
11.权利要求10的化合物在制备诊断试剂中的用途。
12.同位素标记的权利要求1的式(I)化合物。
13.含有权利要求1的式(I)化合物的诊断试剂。
14.药用组合物,它含有作为活性组分的权利要求1的式(I)化合物以及药理上和药学上可接受的载体。
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| Application Number | Priority Date | Filing Date | Title |
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| SE9604785A SE9604785D0 (sv) | 1996-12-20 | 1996-12-20 | New compounds |
| SE96047857 | 1996-12-20 | ||
| SE9702535A SE9702535D0 (sv) | 1997-07-01 | 1997-07-01 | New compounds |
| SE97025357 | 1997-07-01 |
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| CNB2004100082366A Expired - Fee Related CN100519528C (zh) | 1996-12-20 | 1997-12-09 | 具有镇痛作用的化合物 |
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| KR (1) | KR100549144B1 (zh) |
| CN (2) | CN1146540C (zh) |
| AR (1) | AR010376A1 (zh) |
| AT (1) | ATE296288T1 (zh) |
| AU (1) | AU737999B2 (zh) |
| BR (1) | BR9714055B1 (zh) |
| CA (1) | CA2274074C (zh) |
| CZ (1) | CZ295557B6 (zh) |
| DE (1) | DE69733362T2 (zh) |
| EE (1) | EE03824B1 (zh) |
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| ID (1) | ID22074A (zh) |
| IL (2) | IL130535A0 (zh) |
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| PT (1) | PT946511E (zh) |
| RU (1) | RU2193029C2 (zh) |
| SK (1) | SK283211B6 (zh) |
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| US6645980B1 (en) | 2000-05-25 | 2003-11-11 | Sepracor Inc. | Heterocyclic analgesic compounds and methods of use thereof |
| US6635661B2 (en) | 2000-05-25 | 2003-10-21 | Sepracor Inc. | Heterocyclic analgesic compounds and methods of use thereof |
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