WO2002066499A1 - Peptide cyclique - Google Patents
Peptide cyclique Download PDFInfo
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- WO2002066499A1 WO2002066499A1 PCT/JP2002/001221 JP0201221W WO02066499A1 WO 2002066499 A1 WO2002066499 A1 WO 2002066499A1 JP 0201221 W JP0201221 W JP 0201221W WO 02066499 A1 WO02066499 A1 WO 02066499A1
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- amino acid
- side chain
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/50—Cyclic peptides containing at least one abnormal peptide link
- C07K7/54—Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Definitions
- the present invention relates to a novel cyclic peptide having antifungal activity, a pharmacologically acceptable salt thereof, and an antifungal pharmaceutical composition containing them.
- Fungi are known to infect humans, animals, plants and the like and cause various diseases.
- the main fungi that cause systemic mycosis in humans include fungi belonging to the genus Candida, the genus Cryptococcus, and the genus Aspergillus. Have been.
- antifungal agents that can be used for the purpose of treatment and protection against fungal infections are known, and the systemic nature of the above humans and other animals
- examples of drugs against the causative bacteria of mycosis include amphotericin B, flucytosine, miconazo monol, and fluconazol.
- these drugs have problems in efficacy, toxicity, antibacterial spectrum, etc., and have not been sufficient as therapeutic agents.
- An object of the present invention is to provide, among chemically synthesized cyclic lipopeptides having D-a11-threonine or various types of D-type a-amino acids having 3-hydroxy, Another object of the present invention is to provide a novel cyclic peptide having an antifungal activity.
- n are the same or different and are 0 or 1,
- X is O or NH
- R 1 is hydrogen, alkyl having 6 to 21 carbon atoms, substituted alkyl, alkenyl, substituted alkenyl, acylamino, aryl, substituted aryl, heterocyclic or substituted heterocyclic,
- the substituted alkyl, substituted alkenyl, substituted aryl, or substituted complex ring is a hydroxyl group, an alkyl having 1 to 8 carbons, an alkoxy having 1 to 8 carbons, an alkenyl having 2 to 8 carbons, It is substituted with at least one of 8 acyl, 2 to 8 carbon acyloxy, 6 to 14 carbon aryl, 6 to 14 carbon aryloxy, or 1 to 8 carbon heterocycle.
- AA 1 -AA 6 are or] 3—amino acids
- AA 7 is a D-type ⁇ -amino acid having HO— in the side chain
- ⁇ 8 is one or 8—an amino acid
- the present inventors have found that among the novel cyclic lipopeptides prepared by a chemical synthetic method, fungi that cause human systemic mycoses such as Candida albicans, Tallipococcus' neoformans, Aspergillus fumigatus, etc.
- a compound consisting of 8 residues of ⁇ - or j3-amino acids and one residue of ⁇ - or] 3-hydroxy acids or fatty acids having a hydroxyl or amino group at the 3-position In the lipopeptide, a D-type a-amino acid having at least one residue of] 3-hydroxy, preferably an erythro-form] D-type single amino acid or D-a11 threonine having 3-hydroxy Cyclic lipopeptide compounds containing The present inventors have found that they show strong activity against the fungi causing human systemic mycosis, including Aspergillus fumigatus, which has few effective drugs, and completed the present invention. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram showing a general solid-phase synthesis protocol performed in the present invention. Detailed description of the invention
- the compound represented by the above formula (1) is a cyclic lipopeptide consisting of hydroxy acid or one amino acid residue having R 1 as a lipid moiety, one of eight residues AA 1 to AA 8 or; 3-amino acid It is. m and n are the same or different and are 0 or 1, and X is O or NH.
- R 1 is hydrogen, alkyl having 6 to 21 carbon atoms, substituted alkyl, alkenyl, substituted alkenyl, acylamino, aryl, substituted aryl, heterocycle or substituted heterocycle.
- the substituted alkyl, substituted alkenyl, substituted aryl, or substituted complex ring includes a hydroxyl group, an alkyl having 1 to 8 carbons, an alkoxy having 1 to 8 carbons, an alkenyl having 2 to 8 carbons, and a carbon having 2 to 8 carbons. Is substituted with at least one of an acyl having 2 to 8 carbon atoms, an aryl having 6 to 14 carbon atoms, an aryloxy having 6 to 14 carbon atoms, or a heterocyclic ring having 1 to 8 carbon atoms.
- Suitable alkyl as R 1, 6 to 2 1 linear or branched alkyl Honoré carbon for example CH 3 (CH 2) 5 - s cyc 1 o C 6 H x! CH 2 , CH 3 (CH 2 ) 6 —, CH 3 (CH 2 ) 7 , CH 3 (CH 2 ) 8 , CH 3 (CH 2 ) 9 , CH 3 (CH 2 ) i 0 —, CH 3 (CH 2 ) 1 1- , CH 3 (CH 2 ) x
- they are CH 3 (CH 2 ) i 2 — and CH 3 (CH 2 ) 11 CH (CH 3 ) 1, and the hydroxy acids having these are respectively 3-hydroxy-1-hexadex Canoic acid, 3-hydroxy-4-methyl-hexadecanoic acid (where m is 0 and n is 1).
- the acyl moiety of the acylamino suitable as R 1 includes a linear or branched aliphatic or aromatic acyl having 6 to 21 carbon atoms, such as CH 3 (CH 2 ) 4 CO—, CH 3 ( CH 3 ) CH (CH 2 ) 2 CO—, CH 3 (CH 2 ) 5 CO_, eye 1 oC 6 K 1 t CH 2 CO- s CH 3 (CH 2 ) 6 CO—, CH 3 (CH 2 ) 7 CO_, CH 3 (CH 2 ) 8 CO—, CH 3 (CH 2 ) 9 CO—, CH 3
- Preferred reels for R 1 include, for example, ferul, mesityl, toryl, naphthyl, anthryl and the like.
- Heterocycles suitable as R 1 include, for example, groups such as furyl, phenyl, pyrazolyl, imidazolyl, tetrazolyl, thiazolyl, thiadiazolyl, and isooxazolyl.
- hydroxyl group as the substituent include, for example, CH 3 (CH 2 ),, C (OH) (CH 3 ) —, and the hydroxy acid having this is 3,4-dihydroxy 4-methyl-hexadecane It is an acid (where m is 0 and n is 1).
- alkyl moiety of the preferred alkyl and alkoxy substituents a straight-chain or branched alkyl of 1-8 carbon atoms, for example, CH 3 -, CH 3 CH 2 one, CH 3 (CH 2) 2 one, CH 3 (CH 2 ) 3 ⁇ , CH 3 (CH 3 ) CHCH 2 CH1, CH 3 (CH 2 ) 4 ⁇ , CH 3 (CH 3 ) CH (CH 2 ) 2 ⁇ , CH 3 (CH 2 ) 5 — , Cyc 1 o C 6 CH 2 , CH 3 (CH 2 ) 6 ⁇ , CH 3 (C H 2 ) 7 and the like.
- Alkenyl suitable as the above-mentioned substituent includes linear or branched alkenyl having 2 to 8 carbon atoms, for example, CH 2 CHCHCH 2 —, CH 2 CHCH (CH 2 ) 3 —, CH 2
- the aryl moiety of aryl and aryloxy suitable as the substituent includes arylene having 6 to 14 carbon atoms, such as phenyl, mesityl, tolyl, naphthyl, and anthryl. These have at least one group such as a linear or branched alkynole having 1 to 8 carbon atoms, a halogen (for example, a phenolic mouth, a black mouth, a promo, an amido), a hydroxy, or the above aryl. May be.
- acyl and the acylole moiety of the acyloxy suitable as the above-mentioned substituent include a linear or branched aliphatic or aromatic acyl having 2 to 8 carbon atoms, for example, CH 3 CO—, CH 3 CH 2 CO—, CH 3 (CH 2 ) 2 CO—, CH 3 (CH 2 ) 3 CO—, CH 3 (CH 3 ) CHCH 2 CO_, CH 3 (CH 2 ) 4 CO—, CH
- heterocycle suitable as the substituent examples include a heterocycle having 1 to 8 carbon atoms, such as furyl, phenyl, pyrazolyl, imidazolyl, tetrazolyl, thiazolyl, thiadiazolyl, and isoxazolyl.
- the AA 1 is an ⁇ - or jS- amino acids that have a linear or branched alkyl group having 1 to 7 carbon atoms as a side chain, preferably CH 3 - Ru Aranin der with.
- the AA 2 is an ⁇ - or —amino acid having a linear or branched alkyl group having 1 to 7 carbon atoms and substituted with an amino group, and is preferably 2 2 ⁇ — (CH 2 ) 3, Onolenitine and lysine having H 2 N— (CH 2 ) 4 —.
- the AA 3 is an amino acid having hydrogen or a linear or branched alkyl group having 1 to 7 carbon atoms, or HO-, HOOC-, H 2 NOC- linear 1-7 carbon atoms like or minutes with It is an amino acid having a branched alkyl group or H—, preferably H— or CH.
- AA 3 is] 3-alanine.
- the AA 4 is an amino acid with a linear or branched alkyl Le group having a carbon number of 1-7 substituted by a hydroxyl group, preferably HO- CH 2 -, CH 3 CH (OH) - serine with , Is threonine.
- the AA 5 is the amino acid having a linear or branched alkyl Le group having 1 to 7 carbon atoms substituted by a hydroxyl group, preferably HO- CH 2 -, CH 3 CH (OH) - serine with , Is threonine.
- AA 6 is an amino acid having a linear or branched alkyl group having 1 to 7 carbon atoms and having H 2 NOC—, preferably H 2 NOC— (CH 2 ) 2 —, H 2 NOC—.
- Glutamine with CH 2 — is asparagine.
- the AA 7 is the D form of the amino acid having a linear or branched alkyl Le group having a carbon number of 1-7 substituted by a hydroxyl group, preferably CH 3 CH (OH) one, CH 3 (CH 3 ) D—a 11 o—threoyun having one C (OH), D—] 3-hydroxyparin.
- the AA 8 is an ⁇ - or] 3-amino acid having hydrogen or a linear or branched alkyl group having 1 to 7 carbon atoms, or a linear or branched chain having 1 to 7 carbon atoms substituted with a hydroxyl group.
- Representative examples of the novel cyclic peptide of the present invention represented by the following formula (1 ′) include the compounds shown in Table 1. Equation (1,):
- Boc—G1y-OBz1 or Fmoc—G1y—OBz1 can be used as a raw material.
- Various aldehydes or ketones such as acetoaldehyde and acetone can be used as the electrophile to be reacted with these.
- Fmoc-Gly-OBz1 is converted to a strong base such as lithium diisopropylamide (LD) in the presence of a metal salt such as lithium chloride.
- LD lithium diisopropylamide
- dichloromethane ethyl ether and the like can be used in addition to THF.
- the metal salt magnesium chloride, cesium chloride, titanium chloride, aluminum chloride, a boron compound, and the like can be used in addition to lithium chloride.
- the stereochemistry of the asymmetric center can be controlled to obtain a diastereomer derived from the asymmetric carbon newly formed in the reaction product as a mixture in an appropriate ratio, or to obtain only the desired diastereomer. Good yield can be obtained.
- the strong base used to generate the metal enolate in addition to methyllithium L DA, Ru can be used (n- B u) 2 BOS 0 2 CF 3 and the like.
- the control of the reaction temperature is important for obtaining a stereoscopically pure target substance, and is usually carried out at a low temperature of 180 ° C to 120 ° C.
- the reaction mixture can be purified by reversed phase high performance liquid chromatography to obtain the desired compound as a single optically active substance or a mixture of diastereomers. Further, these compounds are prepared according to a known or applied method by removing the side chain functional groups of the constituent amino acids and the protecting groups used for the functional groups in the aldehyde or ketone used as the starting material to obtain the desired compound. Obtainable.
- the compound of the present invention can be produced by a total synthesis method using a liquid phase synthesis method or a solid phase synthesis method.
- a method of cyclizing a linear peptide represented by the following general formula (2) is preferably used.
- this linear peptide by a total synthesis method using a liquid phase synthesis method, after synthesizing a few peptide fragments, A method of condensing them is desirable.
- Various linear peptides can be easily prepared by a total synthesis method using a solid phase synthesis method.
- Equation (4)
- a method using a condensing agent such as BroP and HATU is mentioned, and a method using dicyclohexylcarpoimide (DCC) is preferably used together with a catalyst such as dimethylaminopyridine and 4-pyrrolidinopyridine.
- DCC dicyclohexylcarpoimide
- the reaction to be immobilized on 2-chlorotrityl mouth lid (C1-Trt (2-C1) -Resin) resin is triethylamine, N-methyl in an organic solvent such as dimethylformamide, tetrahydrofuran, and dichloromethane.
- the reaction is performed in the presence of a base such as morpholine and disopropylethylamine at a temperature of 0 ° C to 50 ° C.
- a base such as morpholine and disopropylethylamine at a temperature of 0 ° C to 50 ° C.
- it is carried out in dichloromethane using diisopropylethylamine as a base.
- the choice of solvent used in the reaction greatly affects the yield of immobilization, and dichloromethane, which is a solvent having a high resin swelling ratio, is suitably selected.
- Elongation of the peptide chain on the resin can be performed by the Fmoc method or the Boc method, and is performed by a manual method or an automatic synthesizer, respectively. You.
- the synthesis is performed by the Fmoc method using an automatic synthesizer.
- Fig. 1 shows an example of peptide synthesis protocol by the Fmoc method using an automatic peptide synthesizer.
- a method for condensing amino acids 7K-soluble carbodiimide (WSCD; EDC) -HOBt method, PyBOP-HOBt method, HATU method, etc. can be used in the presence of a base such as diisopropylethylamine or N-methylmorpholine. Is preferably carried out by the Py BOP-HOBT method using N-methylmorpholine as a base.
- the selective deprotection reaction of the N-Fmoc group widely proceeds with a base, but is carried out with a 10 to 100% piperidine, preferably a 30% piperidine / dimethylformamide solution.
- the reaction to release the synthesized peptide from the resin is usually performed using trisulfoacetic acid, hydrochloric acid, trofluoromethanesulphonic acid, etc. as scavengers such as lanole, thioanisole, and ethanol.
- scavengers such as lanole, thioanisole, and ethanol.
- This is carried out using a solution to which dithiol or the like is added.
- the protecting group for the amino acid side chain is also removed at the same time. It is carried out using a mixed solution of ethanol and methylene chloride.
- Both the N-terminal amino group and the C-terminal carboxyl group of the target amino acid side-chain protected peptide released from the resin are free groups, and the ring-Eich reaction using them is a lipoxyl activity as a C-terminal. It can be carried out by converting into a peptide having a group and then reacting in the presence of a base.
- the setting of the reaction temperature of the above cyclization reaction varies depending on the selected carboxyl active group, but is generally set in the range of 30 to 60 ° C, and preferably in the range of 110 to 30 ° C.
- the reaction time of the cyclization reaction is several minutes to several days, preferably 30 minutes to 4 hours.
- activation of the C-terminal lipoxyl group may be performed, for example, by a method using N-hydroxysuccinimide (ONSu), a method using PyBroP, HATU, or a method using DCC-HOAt for activation. Can be used.
- N-hydroxysuccinimide ONSu
- PyBroP PyBroP
- HATU HATU
- DCC-HOAt DCC-HOAt
- DI EA triethylamine
- pyridine and the like can be used as the base.
- cyclization solvents include tetrahydrofuran, methylene chloride, dimethyl Formamide, dimethyl sulfoxide and the like can be used.
- dimethyl sulfoxide is suitably used.
- the C-terminal carboxyl group is a peptide represented by the formula (4), that is, the N-terminal is a free or salt form of an amino group and the C-terminal is a free carboxyl group. It can be obtained by reacting it with HATU in the presence of a base, for example, in a solvent such as dimethyl sulfoxide at a temperature of 110 to 30 ° C. In this case, the above reaction proceeds simultaneously with cyclization. The cyclization yield can be further increased by precisely controlling the concentration of each reaction component and the reaction temperature in the reaction system, selecting a solvent, and the like.
- the compound of the present invention is prepared by removing the amino acid side chain protected peptide from the resin, performing a cyclization reaction, and then removing the amino acid side chain protecting group using the above-mentioned mixed solution of acid and scavenger. Is done.
- a novel non-toxic cyclic peptide having a low minimum growth inhibitory concentration (MIC, ⁇ g / m 1) against Candida albicans, Tarcipococcus neoformans, and Aspergillus fumigatus can be obtained.
- the cyclic peptide of the present invention can be used in medicine as it is or as a pharmacologically acceptable salt thereof.
- the salt is not particularly limited as long as it is pharmacologically acceptable.
- salts of mineral acids such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, hydrofluoric acid, hydrofluoric acid and the like
- Salts of organic acids such as acid, acetic acid, tartaric acid, lactic acid, citric acid, fumaric acid, maleic acid, succinic acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, toluenesulfonic acid, naphthalenesulfonic acid, camphorsulfonic acid, etc.
- An alkali metal such as sodium, potassium and calcium or a salt of an alkaline earth metal and the like.
- the cyclic peptide of the present invention or a pharmacologically acceptable salt thereof is administered as a medicament
- the cyclic peptide of the present invention or a pharmacologically acceptable salt thereof is used as such or as a pharmaceutically acceptable salt. It is administered to animals including humans as a pharmaceutical composition containing, for example, 0.1 to 99.5%, preferably 0.5 to 90% in a non-toxic and inert carrier.
- the carrier include solid, semi-solid or liquid diluents, fillers, and other auxiliaries for prescription. One or more of these can be used.
- the above pharmaceutical composition is preferably administered in the form of a dosage unit, and can be administered orally, intradermally, topically (such as transdermally), or rectally. It goes without saying that the pharmaceutical composition is administered in a dosage form suitable for these administration methods.
- the dose as an antifungal agent depends on the condition of the patient such as age and body weight, the administration route, the nature and extent of the disease, etc. It is desirable to adjust in consideration of the above, but usually, for humans, the amount of the active ingredient of the present invention for adults is in the range of 10 to 2000 mg per day. Dosages below the above range may be sufficient, while conversely, doses above the above range may be required. When administering large amounts, it is desirable to divide the dose into several times a day.
- the above-mentioned oral administration can be carried out in solid, powder or liquid dosage units, for example, powders, powders, tablets, dragees, capsules, drops, sublinguals, other dosage forms, etc. .
- a liquid dosage unit form for subcutaneous, intramuscular or intravenous injection such as a solution or a suspension.
- a liquid dosage unit form for subcutaneous, intramuscular or intravenous injection such as a solution or a suspension.
- a liquid dosage unit form for subcutaneous, intramuscular or intravenous injection such as a solution or a suspension.
- These can be prepared by suspending a fixed amount of the cyclic peptide of the present invention or a pharmacologically acceptable salt thereof in, for example, a non-toxic liquid carrier suitable for injection such as an aqueous or oily medium. It is produced by dissolving and then sterilizing the suspension or solution.
- the above-mentioned topical administration can be performed, for example, by using an external preparation such as a liquid, cream, powder, paste, gel, ointment or the like.
- an external preparation such as a liquid, cream, powder, paste, gel, ointment or the like.
- a certain amount of the cyclic peptide of the present invention or a pharmacologically acceptable salt thereof is used as a fragrance, coloring agent, filler, surfactant, humectant, It is produced by combining with one or more of a softener, a gelling agent, a carrier, a preservative, a stabilizer and the like.
- the above-mentioned rectal administration includes the step of determining a fixed amount of the cyclic peptide of the present invention or a pharmacologically acceptable salt thereof, for example, by using higher esters such as myristyl palmitate; It can be carried out using a suppository mixed with a low melting point solid such as polyethylene glycol, cocoa butter, or a mixture thereof.
- the cyclic peptide of the present invention exhibits high antifungal activity against typical fungi used for determination of antifungal activity, such as Candida anorrebicans, T. pallidum, and Nepaliformans and Asperginoles fumigatus.
- typical fungi used for determination of antifungal activity
- Compound 1 described above can inhibit the growth of Candida albicans and Taleptococcus neoformans at a concentration of 12.5 ⁇ g / ml or less.
- the compound was administered intraperitoneally to mice at 10 OmgZkg each, but showed no toxicity.
- Example 1 Cyc 1 o (—L-A1a—L-Orn—] 3—A1a—L-Ser—L—Ser—D—Asn—D—alio—Thr— Synthesis of G ly— (Sat) I Hh d-) (Compound 1)
- the resin obtained in the above 5) was mixed with acetic acid-trifluoroethanol monomethylene chloride. The mixture was suspended in 0.8 ml of a mixture of (1: 1: 8) and allowed to stand at room temperature for 1 hour. The resin was removed by filtration, the filtrate was concentrated under a stream of argon, and then getyl ether was added. The precipitated crystals were collected by centrifugation (10000 rpm, 5 minutes) to obtain 19.5 mg of the title compound. FAB—MS i inZz 14 2 9 [MH] +.
- the antifungal activity of each compound synthesized in Examples 1 and 3 to 7 was determined by a liquid culture medium dilution method.
- Candida albicans in medium containing serially diluted compounds Candida albicans in medium containing serially diluted compounds
- AA 7 L-Th r-substituted analogs
- AA 7 D- T hr substituted analogs force Njida albicans, Cryptococcus ⁇ neoformans, the antifungal activity against Asuperuginoresu fumigatus were determined by the method described in Example 8. As shown in Table 3, D-a 1 1 o-Th r body without AA 7 substitution Anorebikansu, Cryptococcus neoformans, the respectively Asuperugirusu-Fumigata scan MIC 6. 2 5 ⁇ g / m 1, 1 2. 5 ⁇ g / m 1 N 1.
- AA 7 L- T hr substituted Ana port grayed
- AA 7 D-Th r-substituted analogs ivy or a show activity against any of the bacteria (MI C> 200 ⁇ gZm 1 ).
- Example 10 AA 4- substituted analog mixture: Cyc 1 o (—L—A 1 a—L—Orn-jS-A 1 a-AA 4— L—Ser—D—A—Sn—D— Preparation of a 1 1 o— Th r— G 1 y- (Sat) Hh d_)
- Example 1 1 AA 5 of Amino acid substitutions
- Ana port grayed mixture Cy clo (-L- A 1 a -LO r n- j3 -A 1 a- L one S er -AA 5 one D-A sn-D — A 1 1 o Preparation of -T hr -G 1 y- (Sat) -Hh d—)
- Fmoc—L—Trp— A synthesis protocol was performed using a mixture of OH, Fmoc-L-Tyr (t-Bu) -OH, and Fmoc-L-Va1-OH.
- the FAB-MS spectrum of the finally obtained residue was measured, and it was confirmed that it contained 20 types of the cyclic peptides.
- Example 12 2 Amino acid-substituted analog mixture of AA 6 : Cyc 1 o (—L—A 1 a—L—O r ⁇ ⁇ ⁇ -A la—L—Ser—L—Ser-AA Preparation of 6 _D—a 1 1 o—Thr—Gly— (Sat) -Hhd—)
- Example 13 Measurement of antifungal activity of amino acid-substituted analog mixture of AA 4 , AA 5 and AA 6
- Example 10 Antifungal activity against mixtures of amino acid-substituted analogs at each position of AA 4 , AA 5 and AA 6 obtained in each of AA 4 , AA 5 and AA 6 , against T. pallidae, T. neophonoremans, and Aspergillus fumigatus Activity was determined by the method described in Example 8.
- Amino substituted analogs mixture of AA 4 is crypto Tokokkasu neoformans, Asuperugirusu ⁇ each MIC 1 00 ⁇ g / m 1 , 50 ⁇ g / 1 at a concentration of active against A.
- Amino acid substitution analog mixtures AA 5 is force Njida-Albi force Nsu, Kuriputoko'. Kas-Neoho Rumansu, each at a concentration of MIC 2 5 g / m 1, 50 ⁇ g / m 1 2 5 ⁇ gZm 1 against Asuperugirusu fumigatus, amino acid substitutions AA 6
- the analog mixtures also showed antifungal activity at concentrations of 50 ⁇ g / ml, 50 ⁇ g / ml and 25 g / ml of MIC.
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Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/470,918 US7442683B2 (en) | 2001-02-19 | 2002-02-14 | Cyclic peptide |
| AU2002232176A AU2002232176B2 (en) | 2001-02-19 | 2002-02-14 | Cyclic peptide |
| CA002438663A CA2438663C (en) | 2001-02-19 | 2002-02-14 | Cyclic peptide |
| EP02712337A EP1362865A4 (en) | 2001-02-19 | 2002-02-14 | CYCLIC PEPTIDE |
| JP2002566212A JP4028386B2 (ja) | 2001-02-19 | 2002-02-14 | 環状ペプチド |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001041615 | 2001-02-19 | ||
| JP2001-41615 | 2001-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002066499A1 true WO2002066499A1 (fr) | 2002-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/001221 Ceased WO2002066499A1 (fr) | 2001-02-19 | 2002-02-14 | Peptide cyclique |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7442683B2 (ja) |
| EP (1) | EP1362865A4 (ja) |
| JP (1) | JP4028386B2 (ja) |
| AU (1) | AU2002232176B2 (ja) |
| CA (1) | CA2438663C (ja) |
| WO (1) | WO2002066499A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11674136B2 (en) | 2018-02-09 | 2023-06-13 | President And Fellows Of Harvard College | DNA-templated macrocycle library |
Citations (4)
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| EP0084826A2 (en) * | 1982-01-15 | 1983-08-03 | Bristol-Myers Company | Antibiotic compound |
| JPH03127798A (ja) * | 1989-10-11 | 1991-05-30 | Kumiai Chem Ind Co Ltd | 生理活性物質シリンゴスタチン及びその製造法 |
| JPH05279384A (ja) * | 1992-02-28 | 1993-10-26 | Takara Shuzo Co Ltd | 新規抗真菌抗生物質 |
| WO1995030692A1 (en) * | 1994-05-04 | 1995-11-16 | Schering Corporation | Anti-fungal cyclic depsipeptides |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401656A (en) * | 1978-09-11 | 1983-08-30 | Ayerst, Mckenna & Harrison, Ltd. | N-Substituted dimeric cyclopeptide derivatives |
| US4533631A (en) | 1982-01-15 | 1985-08-06 | Bristol-Myers Company | Fermentation process for preparation of antibiotic Bu-2517 |
| JP2863934B2 (ja) * | 1989-07-24 | 1999-03-03 | 塩野義製薬株式会社 | 抗生物質プラスバシン |
| US5830855A (en) * | 1996-09-12 | 1998-11-03 | Utah State University | Lipodepsipeptides as antifungal and fungicidal agents |
| CN1361791A (zh) | 1999-07-15 | 2002-07-31 | 伊莱利利公司 | 脂缩肽脱酰方法 |
| DE19933173A1 (de) | 1999-07-15 | 2001-01-18 | Merck Patent Gmbh | Cyclische Peptidderivate als Inhibitoren des Integrins alpha¶v¶beta¶6¶ |
-
2002
- 2002-02-14 CA CA002438663A patent/CA2438663C/en not_active Expired - Fee Related
- 2002-02-14 WO PCT/JP2002/001221 patent/WO2002066499A1/ja not_active Ceased
- 2002-02-14 EP EP02712337A patent/EP1362865A4/en not_active Withdrawn
- 2002-02-14 AU AU2002232176A patent/AU2002232176B2/en not_active Ceased
- 2002-02-14 JP JP2002566212A patent/JP4028386B2/ja not_active Expired - Fee Related
- 2002-02-14 US US10/470,918 patent/US7442683B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084826A2 (en) * | 1982-01-15 | 1983-08-03 | Bristol-Myers Company | Antibiotic compound |
| JPH03127798A (ja) * | 1989-10-11 | 1991-05-30 | Kumiai Chem Ind Co Ltd | 生理活性物質シリンゴスタチン及びその製造法 |
| JPH05279384A (ja) * | 1992-02-28 | 1993-10-26 | Takara Shuzo Co Ltd | 新規抗真菌抗生物質 |
| WO1995030692A1 (en) * | 1994-05-04 | 1995-11-16 | Schering Corporation | Anti-fungal cyclic depsipeptides |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1362865A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2438663C (en) | 2009-09-15 |
| EP1362865A4 (en) | 2004-05-06 |
| US20040063625A1 (en) | 2004-04-01 |
| AU2002232176B2 (en) | 2006-06-15 |
| JPWO2002066499A1 (ja) | 2004-06-17 |
| EP1362865A1 (en) | 2003-11-19 |
| US7442683B2 (en) | 2008-10-28 |
| JP4028386B2 (ja) | 2007-12-26 |
| CA2438663A1 (en) | 2002-08-29 |
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