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. 13, 2005
Filed:
Jan. 21, 2002
Applicants:
Guido Koch, Riehen, CH;
Olivier Loiseleur, Saint-Louis, FR;
Gottfried Sedelmeier, Schallstadt, DE;
Inventors:
Assignee:
Novartis AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D319/06 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of a substituted alkene of formula (I) wherein R, Rand Rare independently of each other a protecting group for a hydroxy group or hydrogen and Ris phenyl which is unsubstituted or mono- or disubstituted by alkoxy, which alkene constitutes an intermediate for the preparation of discodermolide and discodermolide analogues.