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:
Nov. 24, 1998
Filed:
Oct. 21, 1994
Applicant:
Inventors:
Assignee:
Chiroscience Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549311 ;
Abstract
An optically-purified enantiomer of the lactone 4-hydroxy-2-oxabicyclo-�3.3.0!oct-7-en-3-one or an acylate thereof can be obtained by biotransformation. It is a useful synthon in the preparation of an enantiomer of 3-hydroxymethyl-2-hydroxycyclopentene that can be used to prepare carbocyclic nucleosides as a desired enantiomer.
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Roberts, Stanley. (1998). Chiral cyclopentene derivatives and their preparation (U.S. Patent No. 5840923). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5840923
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