PROCESS FOR PREPARATION OF MEPHENUM ACID

Title:

PROCESS FOR PREPARATION OF MEPHENUM ACID

Document Type and Number:

Japanese Patent JPS5217439

Kind Code:

A

Abstract:

PURPOSE: Mephenum acid, useful for antirheumatics, antiarthritics, etc, is easily prepared in high yield by desulfonation of particular benzoic acid derivatives.

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Inventors:

TORIHARA KAZUTAKE

Application Number:

JP9359475A

Publication Date:

February 09, 1977

Filing Date:

July 30, 1975

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Assignee:

KOA KAGAKU KOGYO

International Classes:

C07B61/00; B01J23/00; B01J23/04; C07C67/00; C07C227/00; C07C227/04; C07C227/16; C07C229/58; (IPC1-7): B01J23/04; C07C99/00; C07C101/54

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