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:
Sep. 10, 2013
Filed:
Oct. 09, 2009
Hirokazu Kuwabara, Tokyo, JP;
Takayuki Sonoda, Kanagawa, JP;
Hiromitsu Saitoh, Kanagawa, JP;
Hidehiro Arai, Kanagawa, JP;
Hirokazu Kuwabara, Tokyo, JP;
Takayuki Sonoda, Kanagawa, JP;
Hiromitsu Saitoh, Kanagawa, JP;
Hidehiro Arai, Kanagawa, JP;
Fujifilm Finechemicals Co., Ltd, Tokyo, JP;
Abstract
The present invention provides pyridine derivatives useful as intermediates of drugs and agricultural chemicals, electrophotographic receptors, dyes and so on. More specifically, the invention relates to novel pyridyltetrahydropyridines and novel pyridylpiperidines, and further to a method of manufacturing pyridine derivatives through reaction between bipyridine derivatives and benzyl halide or benzyloxycarbonyl halide and subsequent reduction of the resultant reaction products with the aid of palladium catalysts, platinum catalysts, ruthenium catalysts or rhodium catalysts.