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:
Feb. 25, 2003
Filed:
Jun. 22, 2001
Applicant:
Inventors:
Assignee:
Lonza AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 4/100 ;
U.S. Cl.
CPC ...
C12P 4/100 ;
Abstract
The invention discloses a new method for producing enantiomer-enriched 1-amino-4-(hydroxymethyl)-cyclopent-2-ene derivatives of the general formulae (I) and (II) in which R is hydrogen or a possibly substituted C alkyl radical, aryl radical or cycloalkyl radical and R is acyl. According to said method a racemic 1-amino-4-(hydroxymethyl)-cyclopent-2-ene derivative of general formula (III), in which R has the meaning given above, is converted using a hydrolase and in the presence of an acylation agent