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:
Jul. 26, 2005
Filed:
Nov. 14, 2001
Applicants:
Wayne Douglas Luke, West Lafayette, IN (US);
Heidi Ann Sanderson, Cody, WY (US);
Hua Zheng, Carmel, IN (US);
Inventors:
Wayne Douglas Luke, West Lafayette, IN (US);
Heidi Ann Sanderson, Cody, WY (US);
Hua Zheng, Carmel, IN (US);
Assignee:
Eli Lilly and Company, Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D409/00 ; C07D333/52 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing a compound of formula (I): which includes cyclodehydrating a compound of formula (II): in the presence of an acid activated clay or acid activated zeolite catalyst and in the presence of a suitable solvent