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. 28, 1993
Filed:
Jul. 09, 1992
Applicant:
Inventor:
Robert A DeVries, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568322 ; 568626 ;
Abstract
This invention is a process for the production of acetylated aromatic products, including acetyl benzoeyclobutenes, in one step and in high yield. The process comprises contacting an aryl halide with an alkyl vinyl ether in the presence of a zerovalent palladium catalyst complex and a hydrogen halide acceptor in a aqueous solvent mixture containing at least about one molar equivalent of water based on moles of the aryl halide.