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:
May. 26, 1992
Filed:
May. 08, 1990
Applicant:
Inventors:
Apurba Bhattacharya, Rahway, NJ (US);
Alan W Douglas, Monmouth Junction, NJ (US);
Edward J Grabowski, Westfield, NJ (US);
Ulf H Dolling, Westfield, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
546 14 ; 546 77 ; 546 78 ;
Abstract
A process for dehydrogenating a compound of the formula ##STR1## which comprises reacting the compound with a silylating agent in the presence of a quinone to introduce a .DELTA..sup.1 double bond.