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. 07, 1992
Filed:
Feb. 22, 1989
Applicant:
Inventors:
Michel Bouisset, Sisteron, FR;
Andre Bousquet, Sisteron, FR;
Jean-Robert Dormoy, Sisteron, FR;
Alain Heymes, Sisteron, FR;
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546 64 ; 546 70 ;
Abstract
The subject of the present invention is a process for the preparation of isoquinoline derivatives in four steps wherein use is made as synthetic intermediates of organo-lithium compounds or related compounds.