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:
Dec. 26, 1995
Filed:
Feb. 07, 1994
Applicant:
Inventors:
Ramesh N Patel, Bridgewater, NJ (US);
Amit Banerjee, Yardley, PA (US);
Clyde McNamee, Lawrenceville, NJ (US);
David Brzozowski, South Plainfield, NJ (US);
Laszlo J Szarka, East Brunswick, NJ (US);
Assignee:
Bristol-Myers Squibb Company, Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ;
U.S. Cl.
CPC ...
435119 ; 435125 ; 435280 ;
Abstract
An enzymatic process for the preparation of chiral epoxides, monohydroxy or dihydroxy compounds of formula ##STR1## by the stereoselective epoxidation or hydroxylation of benzopyrans of formula ##STR2## or resolution of compounds of formula ##STR3## The compounds of formula I and II are intermediates useful in the preparation of pyranyl cyanoguanidine derivatives.