【発明の名称】α,β―不飽和ケトンの製法

Title:

【発明の名称】α,β―不飽和ケトンの製法

Document Type and Number:

Japanese Patent JP2740270

Kind Code:

B2

Abstract:

Process for the preparation of alpha , beta -unsaturated ketones of the general formula I in which R denotes an organic radical, by reaction of an appropriate aldehyde R-CHO with acetoacetic acid or one of its salts in the presence of an amine in a two-phase reaction mixture, characterised in that the reaction is carried out at a pH of 6 to 8 in the presence of a catalytically active amount of a primary amine.

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Inventors:

Gelnaught Lysen Weber
Winfried Riharz

Application Number:

JP15982889A

Publication Date:

April 15, 1998

Filing Date:

June 23, 1989

Export Citation:

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Assignee:

BASF Akchen Gezel Shaft

International Classes:

C07B61/00; C07C45/00; C07C45/72; C07C45/74; C07C49/20; C07C49/203; C07C49/21; C07C49/217; C07C49/227; C07C49/235; C07C49/255; C07C67/00; C07C319/20; C07C323/24; C07C403/14; C07D261/08; C07D333/20; C07D333/22; C07D335/02; (IPC1-7): C07C49/203; C07C45/74; C07C49/217; C07C49/235; C07C49/255; C07D261/08; C07D333/22; C07D335/02

Attorney, Agent or Firm:

Toshio Yano (2 outside)

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