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. 21, 1976
Filed:
Jul. 30, 1974
Applicant:
Inventors:
Warren K Russ, Jr, Piscataway, NJ (US);
George G Hazen, Westfield, NJ (US);
Earl M Chamberlin, Westfield, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2603 / ; 2605 / ; 424275 ; 424331 ;
Abstract
Process for preparing (1-oxo-2-phenyl, halophenyl or thienyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid, pharmaceutically acceptable salt, ester and amide derivatives thereof and intermediate 5-ether derivatives thereof comprising reacting under Friedel-Crafts conditions a 2-phenyl, halophenyl or thienyl-2-propionyl halide or an anhydride thereof with an ether derivative of 2,3-dichlorophenyl; and reacting the resulting propiophenone with formaldehyde in the presence of acid to yield the desired indanone.