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. 23, 1997
Filed:
Mar. 16, 1995
Applicant:
Inventors:
Roman Davis, Durham, NC (US);
Alan Millar, Holly Springs, NC (US);
Assignee:
Glaxo Wellcome Inc., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 77 ; 546 61 ;
Abstract
The present invention relates to a process for the preparation of finasteride, the compound of formula (I), comprising the reaction of the compound of formula (II) with t-butylamine. ##STR1##