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:
Feb. 21, 1978
Filed:
Mar. 31, 1977
Applicant:
Inventor:
Lawrence J McShane, Indianapolis, IN (US);
Assignee:
Eli Lilly and Company, Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2602 / ; 2603 / ; 2604 / ; 2605 / ; 560 35 ; 560 39 ; 560 22 ;
Abstract
A process for preparing the compound represented by the formula ##STR1## wherein the indicated carbon has the D-configuration which comprises dissolution of the compound in the L-configuration or as a mixture of the D and L-configurations in aqueous pyridine from which the compound having the D-configuration selectively crystallizes.