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:
Mar. 17, 1981
Filed:
Feb. 13, 1979
Applicant:
Inventors:
Walter von Bebenburg, Dreieich, DE;
Norbert Schulmeyer, Morfelden-Walldorf, DE;
Istvan Szelenyi, Buttelborn, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
424263 ; 424250 ; 424251 ; 424270 ; 424272 ; 4242 / ; 544224 ; 544335 ; 544410 ; 546291 ; 546306 ; 546300 ; 546330 ; 548204 ; 548205 ; 548214 ; 548236 ; 548248 ; 548301 ; 548337 ; 548342 ;
Abstract
There are prepared compounds corresponding to the formula ##STR1## in which X is a 5-membered or 6-membered aromatic heterocyclic radical which is attached through a carbon atom to the adjacent CH.sub.2 -group and which contains from 1 to 3 nitrogen atoms or one nitrogen atom and one oxygen or sulphur atom, and which may be substituted once or twice by substituents defined hereinbelow, each R.sup.1 represents hydrogen or a C.sub.1 -C.sub.4 -alkyl group, Alk represents a C.sub.2 -C.sub.6 -alkylene chain and Ac is defined hereinbelow and their salts.