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:
Oct. 17, 2006
Filed:
Nov. 15, 2002
Takashi Kamikawa, Nara, JP;
Junji Morimoto, San Marino, CA (US);
Takashi Kamikawa, Nara, JP;
Junji Morimoto, San Marino, CA (US);
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
There is disclosed a method for producing a biaryl compound of formula (I): wherein Ris the same or different and independently denotes a substituted or unsubstituted hydrocarbon group or the like, A and B denote an aromatic hydrocarbon ring having from 6 to 14 carbon atoms or the like, k and m independently denote an integer of from 0 to 5, and l denotes an integer of 1 or 2, which method is characterized by reacting an aromatic compound of formula (II): wherein R, k and l denote the same as defined above, and Xdenotes a leaving group, with a Grignard reagent of formula (III): wherein R, B, and m denote the same as defined above and Xdenotes chlorine or the like, in the presence of a cyclic ether, or an acyclic ether having two or more ether oxygens in the molecule and a nickel catalyst.