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. 18, 2011
Filed:
Apr. 20, 2006
Applicants:
Shigeyuki Nishimura, Kusatsu, JP;
Fumio Kanamori, Kusatsu, JP;
Masashi Hisamoto, Kusatsu, JP;
Inventors:
Assignee:
Ishihara Sangyo Kaisha, Ltd., Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 211/78 (2006.01); C07D 211/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a method for producing a specific nicotinic acid derivative or a salt thereof. A method for producing a nicotinic acid derivative represented by the formula (I): wherein each of Xand Xwhich are independent of each other, is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a haloalkyl group or a haloalkoxy group; R is an alkyl group; and Hal is a chlorine atom or a bromine atom; or a salt thereof, is provided which comprises reacting a compound represented by the formula (II): is wherein X, Xand R are as defined above, or a salt thereof, with a halogenating agent.