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:
Mar. 13, 2007
Filed:
Sep. 09, 2005
Applicants:
Fabrice Gallou, Danbury, CT (US);
Nathan Yee, Danbury, CT (US);
Inventors:
Fabrice Gallou, Danbury, CT (US);
Nathan Yee, Danbury, CT (US);
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 245/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for preparing a compound of formula I comprising cyclizing a diene compound of formula III in the presence of a ruthenium catalyst in a suitable organic solvent, wherein the process is performed in a gaseous fluid at supercritical or near-supercritical conditions: The compounds of formula (I) are active agents for the treatment of hepatitis C viral (HCV) infections or are intermediates useful for the preparation of anti-HCV agents.