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:
Apr. 19, 1994
Filed:
Jul. 02, 1992
Applicant:
Inventors:
Assignee:
Rhone Poulenc Sante, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540455 ; 540460 ;
Abstract
This invention relates to a process for preparing synergistic derivatives of formula (I), in which Y is hydrogen or dimethylamino, from pristinamycin I.sub.A or from virginiamycin, via a Mannich base, followed by elimination of the amine introduced. ##STR1##