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 4089858 B1

PDFFull Text
Date of Patent:
May. 16, 1978

Filed:

Sep. 17, 1975

Heterocyclic-amino-acrylic acid derivatives

Applicant:
Inventors:

Zoltan Meszaros, Budapest, HU;

Jozsef Knoll, Budapest, HU;

Istvan Hermecz, Budapest, HU;

Piroska Simon, Budapest, HU;

Peter Szentmiklosy, Budapest, HU;

Lelle Vasvari, Budapest, HU;

Agnes Horvath, Budapest, HU;

Gabor Horvath, Budapest, HU;

Peter Dvortsak, Ocsa, HU;

Assignee:

Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt., Budapest, HU;

Attorney:

Ross; Karl F.

Primary Examiner:

Alan L Rotman

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 544356 ; 544336 ; 544405 ; 544408 ; 544409 ; 544406 ; 544407 ; 544292 ; 544293 ; 544332 ; 544329 ; 544322 ;
Abstract

The present invention is concerned with the preparation of chemical intermediates, namely, beta-amino-acrylic acid ester derivatives of nitrogen heterocycles, i.e. pyridine, quinoline, quinoxaline, pyrazine, pyrimidine and the like. Said intermediates are cyclized to form pyrido-pyrimidine type final products possessing analgesic activity.

Find Patent Forward Citations

Meszaros, Zoltan. (1978). Heterocyclic-amino-acrylic acid derivatives (U.S. Patent No. 4089858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4089858

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

Loading…