Author:
Sigmund Amy E,McNulty Kenneth C,Nguyen Dzuy,Silverman Charlotte E,Ma Philip,Pesti Jaan A,DiCosimo Robert
Abstract
Pseudomonas cepacia lipase or Candida antartica lipase B catalyzes the enantioselective aminolysis of a racemic 2-isoxazolylacetate alkyl ester, isobutyl 2-[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]acetate, by 3-amino-N-(butoxycarbonyl)-L-alanine methyl ester, mono(4-methylbenzenesulfonate) to produce the corresponding amide, (R)-methyl-3-[[[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]acetyl]amino]-N-(butoxycarbonyl)-L-alanine, which is an intermediate in the preparation of an isoxazoline-based platelet glycoprotein IIb/IIIa antagonist. Key words: enantioselective aminolysis, Pseudomonas cepacia lipase, Candida antartica lipase B.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
6 articles.
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