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:
Oct. 05, 1976
Filed:
May. 29, 1975
Yoshin Tamai, Kurashiki, JA;
Takashi Nishida, Kurashiki, JA;
Fumio Mori, Kurashiki, JA;
Yoshiaki Omura, Okayama, JA;
Masahisa Tanomura, Kurashiki, JA;
Takeo Hosogai, Kiyone, JA;
Yoichi Ninagawa, Kurashiki, JA;
Kazuo Itoi, Kurashiki, JA;
Kuraray Co., Ltd., Kurashiki, JA;
Abstract
Process for producing substituted ketones from the reaction between organic halides and ketones having replaceable active hydrogen atoms on the carbon atom(s) alpha to the carbonyl group, in the presence of an alkali metal hydroxide unitilizing phosphonium salts as the catalyst, which salts have the following formula: ##EQU1## wherein said R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are branched or straight chain alkyl of 1-30 carbon atoms, cycloalkyl of 6-10 carbon atoms, aryl of 6-10 carbon atoms aralkyl or alkaryl wherein the aryl and alkyl are as above defined and X.sup.- is an inorganic or organic anion.