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. 24, 1995
Filed:
Dec. 15, 1994
Applicant:
Inventors:
Shinji Kamihara, Tokyo, JP;
Tohru Kaneuchi, Tokyo, JP;
Keiji Uchiyama, Tokyo, JP;
Tatsuya Terada, Tokyo, JP;
Assignee:
Daiichi Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548550 ;
Abstract
A process for preparing a 2-(1-pyrrolidinyl)acetamide derivative useful as a cerebral function improving agent is disclosed, comprising reacting a halogenoacetamide derivative with substituted or unsubstituted 2-pyrrolidinone, the halogenoacetamide derivative being prepared by reacting an amine and a halogenoacetyl chloride. High yields of the intermediate compound as well as the final product are attained at low cost.