Patent · US Expired

Enzymatic resolution of substituted 2-methyl-propionic acid

US5476965A · kind A · utility

1Cited by
0References
14Claims
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Assignee

Inventors

Key dates

Filing dateFeb 18, 1994
Grant dateDec 19, 1995
Priority date
Expiry dateFeb 18, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12P41/005
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Provided are enzymatic methods for the selective hydrolytic resolution of certain enantiomers of a pharmaceutical compound, the pharmaceutical compound comprising a (.+-.) mixture of a .alpha.-substituted 2-methyl proprionic acid derivative. Specifically provided is the selective enzymatic resolution of either the R(+) or S(-) enantiomer of (.+-.)-ethyl ciprofibrate. Also provided are substantially pure enantiomers of R(+) and S(-) ciprofibrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.