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:
Jun. 05, 1975
Applicant:
Inventors:
Henry Najer, Paris, FR;
Yves Robert Pascal, Paris, FR;
Assignee:
Synthelabo, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
26029353 ;
Abstract
Vincamine and/or its stereoisomers, a known drug, is made from vincaminol and/or its stereoisomers by successive conversion of the latter into apovincaldehyde, apovincamine, and 16-methoxycarbonyl-eburnane, followed by conversion of the last into vincamine either directly by introduction of a 16-hydroxyl group or by hydrolysis, introduction of a 16-hydroxyl group, and re-esterification.