CIS-3-ALKENOIC ACID, ITS PREPARATION AND USE

Title:

CIS-3-ALKENOIC ACID, ITS PREPARATION AND USE

Document Type and Number:

Japanese Patent JPS6028950

Kind Code:

A

Abstract:

NEW MATERIAL:A compound shown by the formula I (R is 1W6C alkyl; R1 is H, or 1W3C alkyl; when R is 1C alkyl, R1 is 2W4C alkyl, and when R is 2C alkyl or 4W6C alkyl, R1 is 1W3C alkyl).

EXAMPLE: 2-Ethyl-cis-3-pentenoic acid.

USE: An imparter for providing fragrance and flavor having durability or a modifier. Having a main tone of fragrance and flavor like fruit or grass, showing a tone of fruit, green flower, etc. which may have fatty fragrance and flavor.

PREPARATION: A trans-2-alkenoic acid shown by the formula II is isomerized in an organic solvent in the presence of both hexamethylphosphoric acid triamide and a basic organic alkali metal compound (e.g., methyllithium, etc.) at about -70Wabout -50°C, to give a compound shown by the formula I easily.

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Inventors:

FURUHATA AKEMICHI
OONISHI KEN
KOJIYOU KUNIO

Application Number:

JP13568683A

Publication Date:

February 14, 1985

Filing Date:

July 27, 1983

Export Citation:

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Assignee:

HASEGAWA T CO LTD

International Classes:

A23L27/20; A61K8/36; A61Q13/00; B01J31/00; B01J31/12; C07B61/00; C07C51/00; C07C51/353; C07C57/03; C07C67/00; C11B9/00; (IPC1-7): A23L1/226; A61K7/46; B01J31/12; C07C51/353; C07C57/03

Other References:

CHEMICAL ABSTRACTS=1978

Attorney, Agent or Firm:

Heiyoshi Odashima

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