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:
Jul. 26, 1988
Filed:
Dec. 12, 1986
Applicant:
Inventors:
Karl Schonafinger, Alzenau, DE;
Helmut Bohn, Schoneck, DE;
Piero Martorana, Bad Homburg, DE;
Rolf-Eberhard Nitz, Frankfurt, DE;
Assignee:
Cassella Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546277 ; 546278 ; 546279 ; 546270 ;
Abstract
Optically active substituted 1,4-dihydropyridines of the formula I having calcium antogonistic properties: ##STR1## wherein R denotes alkyl with 1 to 5 C atoms, alkoxy-alkyl with 1 to 4 C atoms, in the alkoxy part and 2 to 4 C atoms in the alkyl part, dialkylaminioalkyl with a total of 3 to 6 C atoms each of the alkyl groups as substituents on the amino group having 1 to 3 C atoms, or --CH(CH.sub.3)CO.sub.2 R.sup.5 in the optically active (R)-forms,