JPS55111443A - Preparation of farnesylacetic acid ester - Google Patents

Preparation of farnesylacetic acid ester

Info

Publication number
JPS55111443A
JPS55111443A JP1619879A JP1619879A JPS55111443A JP S55111443 A JPS55111443 A JP S55111443A JP 1619879 A JP1619879 A JP 1619879A JP 1619879 A JP1619879 A JP 1619879A JP S55111443 A JPS55111443 A JP S55111443A
Authority
JP
Japan
Prior art keywords
preparation
acid ester
farnesylmalonic
cyanate
dimethylsulfoxide
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
JP1619879A
Other languages
Japanese (ja)
Inventor
Shoichi Kinoshita
Yoshitomo Yonehara
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.)
Kawamura Institute of Chemical Research
DIC Corp
Original Assignee
Kawamura Institute of Chemical Research
Dainippon Ink and Chemicals Co Ltd
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 Kawamura Institute of Chemical Research, Dainippon Ink and Chemicals Co Ltd filed Critical Kawamura Institute of Chemical Research
Priority to JP1619879A priority Critical patent/JPS55111443A/en
Publication of JPS55111443A publication Critical patent/JPS55111443A/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

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To prepare the title compound useful as an intermediate of antiulcer agent, etc., by the thermal decomposition of a farnesylmalonic acid diester in the presence of a catalyst comprising hydrated dimethylsulfoxide and an alkali metal halide or cyanate.
CONSTITUTION: The compound of formula III is prepared, easily, economically, in high yield, in one step, by heating and decomposing a farnesylmalonic acid diester of formula I (R is II; R1,2 are alkyl, or alkenyl) in the presence of (A) an alkali metal halide or cyanate, (B) water, and (C) dimethylsulfoxide, at 100W190°C, pref. 150W180°C under atmospheric or reduced pressure for 5W20hr. The molar ratio of (A), (B) and (C) to the compound I is, e.g. 0.5W3.0, 1W5, and 1W20 to 1, respectively.
COPYRIGHT: (C)1980,JPO&Japio
JP1619879A 1979-02-16 1979-02-16 Preparation of farnesylacetic acid ester Pending JPS55111443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1619879A JPS55111443A (en) 1979-02-16 1979-02-16 Preparation of farnesylacetic acid ester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1619879A JPS55111443A (en) 1979-02-16 1979-02-16 Preparation of farnesylacetic acid ester

Publications (1)

Publication Number Publication Date
JPS55111443A true JPS55111443A (en) 1980-08-28

Family

ID=11909804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1619879A Pending JPS55111443A (en) 1979-02-16 1979-02-16 Preparation of farnesylacetic acid ester

Country Status (1)

Country Link
JP (1) JPS55111443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017002353A1 (en) * 2015-06-30 2017-01-05 備前化成株式会社 Synthesis of long chain unsaturated fatty acid by carbon chain extension chemical reaction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017002353A1 (en) * 2015-06-30 2017-01-05 備前化成株式会社 Synthesis of long chain unsaturated fatty acid by carbon chain extension chemical reaction
JPWO2017002353A1 (en) * 2015-06-30 2018-04-12 備前化成株式会社 Synthesis of long-chain unsaturated fatty acids by chemical carbon chain extension reaction.

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