logo

For the Inventor, By the Inventor

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.:

US 4686296 B1

PDFFull Text
Date of Patent:
Aug. 11, 1987

Filed:

Jul. 22, 1986

Process for producing oxiracetam

Applicant:
Inventors:

Shinobu Iriuchijima, Tokyo, JP;

Hirohiko Kobayashi, Tokyo, JP;

Kyoji Aoki, Tokyo, JP;

Takeshi Oda, Tokyo, JP;

Masayuki Shinoyama, Niigata, JP;

Yoshifumi Nosaka, Niigata, JP;

Assignee:

Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;

Attorney:

Jeffers, Hoffman & Niewyk

Primary Examiner:

Joseph Paul Brust

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548544 ;
Abstract

A process for producing oxiracetam (4-hydroxy-2-oxo-1-pyrrolidineacetamide) useful as an agent for improving brain metabolism, under mild conditions and in a single process is provided, this process comprises reacting glycinamide with a butyric acid ester expressed by the formula ##STR1## wherein A represents a halogen atom or an epoxy group, B represents hydroxyl group, but when A is an epoxy group, A and B together form an epoxy group, and R represents an alkyl group.

Find Patent Forward Citations

Iriuchijima, Shinobu. (1987). Process for producing oxiracetam (U.S. Patent No. 4686296). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4686296

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…