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:
Feb. 27, 2001
Filed:
Apr. 08, 1997
Applicant:
Inventors:
Joseph A. Miller, San Jose, CA (US);
Robert P. Farrell, San Francisco, CA (US);
Assignee:
Catalytica, Inc., Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C 2/84 ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07C / ; C07C 2/84 ; C07D / ; C07D / ; C07D / ;
Abstract
The present invention provides a process for preparing biaryl compounds comprising reacting an arylzinc reagent with an arylchloride in the presence of a nickel catalyst or a palladium catalyst. The present invention specifically provides a process for the preparation of 2-(4′-methylphenyl)benzonitrile comprising reacting a 4-methylphenylzinc reagent with 2-chlorobenzonitrile in the presence of a nickel catalyst or a palladium catalyst.