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:
Sep. 09, 2008
Filed:
Feb. 17, 2006
Applicant:
Rene Peters, Zurich, CH;
Inventor:
Rene Peters, Zurich, CH;
Assignee:
Hoffman-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/02 (2006.01); C07D 491/02 (2006.01); C07D 498/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for the manufacture of the compound of formula (1): which is a key intermediate in the manufacture of camptothecin (CPT). This compound continues to serve as an attractive and promising lead structure for the development of new anti-cancer drugs.