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:
Sep. 18, 1990
Filed:
Apr. 25, 1988
Applicant:
Inventor:
Middleton B Floyd, Jr, Suffern, NY (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549476 ; 549478 ; 549492 ; 549497 ; 549501 ; 549502 ;
Abstract
Novel precursors for the synthesis of methyl-9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formulae ##STR1## wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl, R.sub.3 is H, C.sub.1 -C.sub.4 trialkylsilyl or C.sub.1 -C.sub.6 alkyl; X.sub.1 is halogen, cyano, C.sub.1 -C.sub.4 alkoxycarbonyl, carboxy or tri (C.sub.1 -C.sub.4 alkoxy)methyl; n is 2-4 inclusive; and P.sub.1 is H or a blocking or protective group; congeners and racemic mixture of these compounds and processes of synthesizing them.