JPS5217439A - Process for preparation of mephenum acid - Google Patents

Process for preparation of mephenum acid

Info

Publication number
JPS5217439A
JPS5217439A JP50093594A JP9359475A JPS5217439A JP S5217439 A JPS5217439 A JP S5217439A JP 50093594 A JP50093594 A JP 50093594A JP 9359475 A JP9359475 A JP 9359475A JP S5217439 A JPS5217439 A JP S5217439A
Authority
JP
Japan
Prior art keywords
mephenum
acid
preparation
desulfonation
antirheumatics
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50093594A
Other languages
Japanese (ja)
Inventor
Kazutake Torihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOA KAGAKU KOGYO
KOA KAGAKU KOGYO KK
KOUA KAGAKU KOUGIYOU KK
Original Assignee
KOA KAGAKU KOGYO
KOA KAGAKU KOGYO KK
KOUA KAGAKU KOUGIYOU KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KOA KAGAKU KOGYO, KOA KAGAKU KOGYO KK, KOUA KAGAKU KOUGIYOU KK filed Critical KOA KAGAKU KOGYO
Priority to JP50093594A priority Critical patent/JPS5217439A/en
Publication of JPS5217439A publication Critical patent/JPS5217439A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

PURPOSE: Mephenum acid, useful for antirheumatics, antiarthritics, etc, is easily prepared in high yield by desulfonation of particular benzoic acid derivatives.
COPYRIGHT: (C)1977,JPO&Japio
JP50093594A 1975-07-30 1975-07-30 Process for preparation of mephenum acid Pending JPS5217439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50093594A JPS5217439A (en) 1975-07-30 1975-07-30 Process for preparation of mephenum acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50093594A JPS5217439A (en) 1975-07-30 1975-07-30 Process for preparation of mephenum acid

Publications (1)

Publication Number Publication Date
JPS5217439A true JPS5217439A (en) 1977-02-09

Family

ID=14086618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50093594A Pending JPS5217439A (en) 1975-07-30 1975-07-30 Process for preparation of mephenum acid

Country Status (1)

Country Link
JP (1) JPS5217439A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185219A (en) * 1983-04-06 1984-10-20 Mitsui Mining & Smelting Co Ltd Sampling method of soil specimen and device therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185219A (en) * 1983-04-06 1984-10-20 Mitsui Mining & Smelting Co Ltd Sampling method of soil specimen and device therefor

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