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:
Jul. 14, 2009
Filed:
Jul. 23, 2003
Applicants:
Kenichi Koyakumaru, Bizen, JP;
Yoshimi Fukunaga, Tokyo, JP;
Inventors:
Kenichi Koyakumaru, Bizen, JP;
Yoshimi Fukunaga, Tokyo, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/04 (2006.01); C07D 405/04 (2006.01); C07D 413/04 (2006.01); C07D 417/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of producing a pyridine derivative having a substituent at the 2-position of a heterocyclic structure conveniently and with fine selectivity. The present invention relates to a production method of a pyridine derivative having a substituent at the 2-position of a heterocyclic structure, which is represented by the formula (III), which includes reacting a 2-sulfonylpyridine derivative of the formula (I) with an organometallic compound of the formula (II) and the like, and the like: wherein each symbol is as defined in the Description.