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:
Jun. 20, 1995
Filed:
Dec. 22, 1993
Applicant:
Inventor:
Francis G Fang, Durham, NC (US);
Assignee:
Glaxo Inc., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
549307 ; 544283 ; 546152 ; 5482624 ; 5483044 ; 5483611 ; 549 58 ; 549471 ; 568 67 ; 568809 ;
Abstract
The present Invention includes synthetic steps and intermediates involved in the following reaction scheme a of converting compounds of Formula (II) to the diarylmethanes of Formula (I): ##STR1## wherein: Y is oxygen or sulfur;