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:
Aug. 07, 1979
Filed:
Jul. 06, 1977
Applicant:
Inventors:
Otto Clauder, Budapest, HU;
Arpad Kiraly, Budapest, HU;
Jozsef Kokosi, Budapest, HU;
Egon Karpati, Budapest, HU;
Laszlo Szporny, Budapest, HU;
Assignee:
Richter Gedeon Vegyeszeti Gyar RT, Budapest, HU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 51 ; 424256 ;
Abstract
The new compound vincane of the formula ##STR1## is prepared by the reduction or reductive dehydratation, respectively, a compound of the formula ##STR2## wherein A.about.B represents the group --CH.dbd.CH-- or ##STR3## i.e. of vincamenine or of vincanol.