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Batimastat, バチマスタット



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Mol weight
Butanediamide, N4-hydroxy-N1-(2-(methylamino)-2-oxo-1-(phenylmethyl)ethyl)-2-(2-methylpropyl)-3-((2-thienylthio)methyl)-, (2R-(1(S*),2R*,3S*))-
(2S,3R)-5-Methyl-3-(((aS)-a-(methylcarbamoyl)phenethyl)carbamoyl)-2-((2-thienylthio)methyl)hexanohydroxamic Acid
[2R-[1(S*),2R*,3S*]]-N4-Hydroxy-N1-[2-(methylamino)-2-oxo-1-(phenylmethyl)ethyl]-2-(2-methylpropyl)-3-[(2-thienylthio)methyl]butane Diamide
130370-60-4 [RN]
CAS Registry Number: 130370-60-4
CAS Name: (2R,3S)-N4-Hydroxy-N1-[(1S)-2-(methylamino)-2-oxo-1-(phenylmethyl)ethyl]-2-(2-methylpropyl)-3-[(2-thienylthio)methyl]butanediamide
Additional Names: (2S,3R)-5-methyl-3-[[(aS)-a-(methylcarbamoyl)phenethyl]carbamoyl]-2-[(2-thienylthio)methyl]hexanohydroxamic acid; [4-(N-hydroxyamino)-2R-isobutyl-3S-(2-thienylthiomethyl)succinyl]-L-phenylalanine-N-methylamide
Manufacturers’ Codes: BB-94
Molecular Formula: C23H31N3O4S2
Molecular Weight: 477.64
Percent Composition: C 57.84%, H 6.54%, N 8.80%, O 13.40%, S 13.43%
Literature References: Synthetic matrix metalloproteinase inhibitor. Prepn: C. Campion et al., WO 9005719eidem, US 5240958(1990, 1993 both to British Biotech.). Effect on transplanted human ovarian carcinoma: B. Davies et al., Cancer Res. 53, 2087 (1993). Inhibition of metastasis of transplanted human colorectal carcinoma: X. Wang et al., ibid. 54, 4726 (1994).
Properties: Fine white powder. mp 236-238°.
Melting point: mp 236-238°
Therap-Cat: Antineoplastic adjunct (antimetastatic agent).
Keywords: Antineoplastic Adjunct; Antimetastatic Agent; Matrix Metalloproteinase Inhibitor.

Batimastat (INN/USAN, codenamed BB-94) is an anticancer drug that belongs to the family of drugs called angiogenesis inhibitors. It acts as a matrix metalloproteinase inhibitor (MMPI) by mimicking natural MMPI peptides.

Batimastat was the first MMPI that went into clinical trials. First results of a Phase I trial appeared in 1994. The drug reached Phase III but was never marketed; mainly because it couldn’t be administered orally (as opposed to the newer and chemically similar MMPI marimastat), and injection into the peritoneum caused peritonitis.[1]


U.S. Patent 5,453,438

U.S. Patent 5,240,958

U.S. Patent 5,530,161

Image result for batimastat


US 5240958; US 5310763; WO 9005719

The treatment of D-leucine (I) with NaNO2, H2SO4 and NaBr gives 2(R)-bromo-5-methylpentanoic acid (II), which is esterified with isobutene and H2SO4 to the corresponding tert-butyl ester (III). The condensation of (III) with dibenzyl malonate (IV) by means of potassium tert-butoxide in DMF yields the malonyl derivative (V), which is treated with trifluoroacetic acid to hydrolyze the tert-butyl ester, and without isolation is condensed with L-phenylalanine methyl amide (VI) by means of hydroxybenzotriazole (HOBT) and dicyclohexylcarbodiimide (DCC), affording 4-benzyloxy-3-(benzyloxycarbonyl)-2(R)-isobutylsuccinyl-L-phenylalanine methylamide (VII). The elimination of the benzyl groups of (VII) by hydrogenolysis over Pd/C in ethanol gives the dicarboxylic acid (VIII), which by partial decarboxylation and reaction with aqueous formaldehyde and piperidine yields 4-hydroxy-2(R)-isobutyl-3-methylenesuccinyl-L-phenylalanine methylamide (IX). The addition of thiophene-2-thiol (X) to the double bond of (IX) affords 4-hydroxy-2(R)-isobutyl-3(S)-(2-thienylsulfanylmethyl)succinyl-L-phenylalanine methylamide (XI), which is finally treated with hydroxylamine and hydroxybenzotriazole in dichloromethane/DMF.




  1. ^ Rothenberg, M. L.; Nelson, A. R.; Hande, K. R. (1999). “New Drugs on the Horizon: Matrix Metalloproteinase Inhibitors”. Stem Cells17 (4): 237–240. doi:10.1002/stem.170237PMID 10437989.
Clinical data
  • N/A
Routes of
Injection into pleural space or abdomen
ATC code
  • none
Legal status
Legal status
  • Never marketed
CAS Number
PubChem CID
ECHA InfoCard 100.222.897 Edit this at Wikidata
Chemical and physical data
Formula C23H31N3O4S2
Molar mass 477.64 g/mol g·mol−1
3D model (JSmol)

//////////Batimastat, BB-94, バチマスタット  ,


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DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with AFRICURE PHARMA as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 32 PLUS year tenure till date Feb 2023, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries...... , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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