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:
Apr. 18, 2017
Filed:
Aug. 30, 2013
Applicant:
Api Corporation, Tokyo, JP;
Inventor:
Masahiko Seki, Tokyo, JP;
Assignee:
API Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 257/04 (2006.01); C07D 405/14 (2006.01); C07D 403/10 (2006.01); C07B 37/04 (2006.01);
U.S. Cl.
CPC ...
C07D 257/04 (2013.01); C07B 37/04 (2013.01); C07D 403/10 (2013.01); C07D 405/14 (2013.01);
Abstract
The invention provides a production method of a biaryl compound of the formula [3] or a salt thereof, including reacting a 2-phenylazole derivative of the formula [1] or a salt thereof, with a benzene derivative of the formula [2] or a salt thereof in the presence of a metal catalyst, a base, and one or more of (a) a monocarboxylic acid metal salt, (b) a dicarboxylic acid metal salt, (c) a sulfonic acid metal salt, and (d) a phosphate or phosphoric amide metal salt represented by RP(O)(OM) wherein each symbol is as defined herein.