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:
Mar. 21, 1995
Filed:
Jun. 01, 1994
Applicant:
Inventors:
Dongwei Cai, Edison, NJ (US);
Joseph F Payack, Somerset, NJ (US);
Thomas R Verhoeven, Cranford, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
568 17 ;
Abstract
A process of synthesizing a compound of the formula 1: ##STR1## is disclosed, which comprises reacting a compound of the formula 2: ##STR2## with diphenylphosphine in the presence of an amine base and a nickel catalyst to produce a compound of formula 1.