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:
Sep. 02, 1980
Filed:
Oct. 26, 1978
Applicant:
Inventor:
Martin E Kuehne, Burlington, VT (US);
Assignee:
Omnium Chimique, Brussells, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 51 ; 546 85 ; 546 86 ; 2605 / ; 260 14 ; 260 15 ; 568458 ; 568495 ;
Abstract
The preparation of vincadifformine and some derivatives thereof for use as a starting material for synthesis of the corresponding vincamine derivatives or for synthesis of bisindole alkaloids having clinically important antitumor properties.