The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2007
Filed:
Aug. 13, 2002
Inhee Lee, Suwon-si, KR;
Seungjoo Lee, Suwon-si, KR;
Inhee Lee, Suwon-si, KR;
Seungjoo Lee, Suwon-si, KR;
Choongwae Pharma Corporation, Seoul, KR;
Abstract
The present invention relates to new process for preparing as a key chiral intermediate compound of formula (I) obtained from an epoxy-β-hydroxy carboxylic acid ester of formula (II) prepared from epoxide compound of formula (III), in which said compound of formula (I) is useful for preparing the therapeutic agent for hyperlipidemia, such as Astrovastatin and Fluvastatin. Wherein Rdenotes a hydrogen atom, alkyl, aryl or alkylaryl, Rand Rwhich can be identical or different, are a lower alkyl or phenyl and are capable of forming a six-membered ring, Rstands for hydroxy, amino, alkylamino, azido, cyano, halogeno, aryloxy, alkyloxy, arylalkyloxy, alkyl, alkenyl, aryl, or aminomethyl, etc.