PROCESS FOR THE PREPARATION OF CARBONYL COMPOUNDS

Title:

PROCESS FOR THE PREPARATION OF CARBONYL COMPOUNDS

Document Type and Number:

WIPO Patent Application WO/1997/024308

Kind Code:

A1

Abstract:

Carbonyl compounds such as ketones or esters can be prepared by reacting 'beta'-carbonyl esters selected from among diesters of 'alpha'-substituted malonic acids and 'alpha'-substituted-'beta'-keto esters with water in the presence of a phase transfer catalyst to conduct decarboxylation.

Inventors:

YAMADA TOSHIRO (JP)

Application Number:

PCT/JP1996/003788

Publication Date:

July 10, 1997

Filing Date:

December 25, 1996

Export Citation:

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Assignee:

NIPPON ZEON CO (JP)
YAMADA TOSHIRO (JP)

International Classes:

C07C45/67; C07C67/32; (IPC1-7): C07C45/65; B01J27/08; C07C49/00; C07C67/32; C07C69/00

Foreign References:

JPH0578282A	1993-03-30
JPS5673045A	1981-06-17
JPS5225709A	1977-02-25
JPS505321A	1975-01-21

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