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:
Dec. 08, 2015
Filed:
Jul. 27, 2012
Koichi Shinhama, Osaka, JP;
Naoto Utsumi, Osaka, JP;
Masahiro Sota, Osaka, JP;
Shigeo Fujieda, Osaka, JP;
Shin Ogasawara, Osaka, JP;
Koichi Shinhama, Osaka, JP;
Naoto Utsumi, Osaka, JP;
Masahiro Sota, Osaka, JP;
Shigeo Fujieda, Osaka, JP;
Shin Ogasawara, Osaka, JP;
OTSUKA PHARMACEUTICAL CO., LTD., Tokyo, JP;
Abstract
The present invention provides a method for producing a compound of Formula (4): wherein Ris a hydrogen atom etc. by reacting a compound of Formula (2): wherein Xis a leaving group, with a compound of Formula (3): wherein Ris as defined above, in the presence of (a) a palladium compound and a tertiary phosphine or (b) a palladium carbene complex, in an inert solvent or without a solvent. The present invention can produce the compound of Formula (4), with high purity and high yield, and by a simple operation.