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:
Feb. 19, 1991
Filed:
Apr. 11, 1989
Applicant:
Inventors:
Roland Jaunin, Basle, CH;
Henri Ramuz, Birsfelden, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564 88 ; 546216 ; 546331 ; 548952 ; 548965 ; 548542 ; 548341 ; 548343 ; 540604 ; 540482 ; 544158 ;
Abstract
Dihydropyridine derivatives of the formula ##STR1## wherein the symbols R and R.sup.1 to R.sup.6 have the significance given in claim 1, have a pronounced calcium-antagonist activity and can accordingly be used as medicaments, especially in the control or prevention of angina pectoris, ischemia, high blood pressure and/or migraine. The compounds of formula I can be prepared by reacting an ylidene compound of the formula ##STR2## with an enamine of the formula ##STR3##
Jaunin, Roland. (1991). Ylidene sulfonamide derivatives (U.S. Patent No. 4994612). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4994612
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile