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:
May. 08, 1990
Filed:
Apr. 03, 1989
Applicant:
Inventors:
Jean-Noel Denis, Uriage, FR;
Andrew E Greene, Uriage, FR;
Daniel Guenard, Montrouge, FR;
Francoise Gueritte-Voegelein, Les Ulis, FR;
Assignee:
Centre National De La Recherche Scientifique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549510 ; 549511 ;
Abstract
Process for preparing taxol by the condensation of a (2R, 3S) acid of general formula (I) with a taxan derivative of general formula (II), followed by the removal of the groups R.sub.2 and R.sub.3 protecting the hydroxy groups. ##STR1##