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:
Oct. 05, 1999
Filed:
Nov. 17, 1998
Applicant:
Inventors:
Eric Didier, Paris, FR;
Gilles Oddon, Lyon, FR;
Denis Pauze, Solaize, FR;
Patrick Leon, Tassin La Demi Lune, FR;
Didier Riguet, Serezin Du Rhone, FR;
Assignee:
Rhone-Poulenc Rorer S.A., Antony Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549510 ; 549511 ; 548215 ;
Abstract
The present invention relates to a novel process for preparing dialkoxy derivatives of the taxoid family by direct alkylation of the two positions 7 and 10 of deacetylbaccatin or derivatives thereof which are esterified in position 13.