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. 06, 1993
Filed:
Jun. 17, 1988
Applicant:
Inventors:
Mohammad Aslam, Corpus Christi, TX (US);
Varadaraj Elango, Corpus Christi, TX (US);
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568315 ; 568318 ;
Abstract
An intermediate for the manufacture of nabumetone, 4-(6'-methoxy-2'-naphthyl)-3-buten-2-one, is prepared by contacting 2-bromo-6-methoxynaphphalene with methyl vinyl ketone in the presence of a palladium catalyst at from about 50.degree. C. to about 200.degree. C. for a time sufficient to cause substantially complete reaction to occur.