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:
Jun. 06, 1989
Filed:
Feb. 03, 1988
Applicant:
Inventors:
Yoshikazu Murao, Machida, JP;
Masao Miyake, Yokohama, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548551 ;
Abstract
Disclosed herein is a process for producing a pyrrolidone derivative represent by the general formula (I): ##STR1## wherein R is an organic residue obtained by removing hydroxy radical from a C.sub.1-10 primary alcohol, C.sub.1-10 secondary alcohol or derivative thereof, comprising (1) reacting 2-pyrrolidone with acetaldehyde in the presence of a catalyst, thereby obtaining N-(.alpha.-hydroxyethyl)pyrrolidone, and (2) reacting the thus obtained N-(.alpha.-hydroxyethyl)pyrrolidone with a primary alcohol, a secondary alcohol or a derivative thereof in the presence of an acidic catalyst to obtain the pyrrolidone derivative.