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:
Dec. 30, 2008
Filed:
Sep. 12, 2003
Applicants:
Guido Koch, Riehen, CH;
Olivier Loiseleur, Saint-Louis, FR;
Inventors:
Guido Koch, Riehen, CH;
Olivier Loiseleur, Saint-Louis, FR;
Assignee:
Novartis AG, Basel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 417/14 (2006.01); C07D 313/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a synthesis for the preparation of epothilone derivatives of formula 9 wherein R1 is methyl, and R2 is an unsubstituted or substituted aryl; an unsubstituted or substituted heteroaryl; or an unsubstituted or substituted heterocyclic radical fused to a benzene nucleus; and salts thereof, and intermediates for the synthesis of a compound of formula 9.