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:
Jan. 04, 1977
Filed:
Apr. 05, 1976
Applicant:
Inventors:
Hans Peter Albrecht, Luetzelsachsen ueber Weinheim, DT;
Guenter Neugebauer, Mannheim, DT;
Assignee:
Knoll A.G. Chemische Fabriken, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424182 ; 536-7 ;
Abstract
Cardioactive glycosides of the formula ##STR1## are disclosed, wherein R.sub.1 is saturated aliphatic hydrocarbon having 1 - 4 carbon atoms or unsaturated aliphatic hydrocarbon having 2 - 4 carbon atoms or phenyl and R.sub.2 is hydrogen or hydroxyl, as are methods for making the same by reacting the corresponding aglycone with an acylated 1-halo-hexopyranose of the formula ##STR2## wherein Hal is halogen, R.sub.3 is hydrogen or alkanoyloxy having 1 - 4 carbon atoms, and R.sub.4 is alkanoyl having 1 - 4 carbon atoms or benzoyl, and subsequently cleaving the acyl groups.