JPS55162740A - Preparation of cyclobranol organic acid ester - Google Patents

Preparation of cyclobranol organic acid ester

Info

Publication number
JPS55162740A
JPS55162740A JP6994479A JP6994479A JPS55162740A JP S55162740 A JPS55162740 A JP S55162740A JP 6994479 A JP6994479 A JP 6994479A JP 6994479 A JP6994479 A JP 6994479A JP S55162740 A JPS55162740 A JP S55162740A
Authority
JP
Japan
Prior art keywords
acid
ester
organic acid
methylenecycloaltanol
iodine
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.)
Granted
Application number
JP6994479A
Other languages
Japanese (ja)
Other versions
JPS5843400B2 (en
Inventor
Yutaka Kimura
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP54069944A priority Critical patent/JPS5843400B2/en
Publication of JPS55162740A publication Critical patent/JPS55162740A/en
Publication of JPS5843400B2 publication Critical patent/JPS5843400B2/en
Expired 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)
  • Medicines Containing Plant Substances (AREA)
  • Steroid Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

PURPOSE: To prepare the titled compound useful as a medicine for autonomic imbalance, etc., easily, in high yield, by the heat isomerization of a 24-methylenecycloaltanol organic acid ester or a composition containing the ester using iodine, etc. as a catalyst.
CONSTITUTION: 24-Methylenecycloaltanol organic acid ester containing 24-methylenecycloaltanol ferulic acid ester which is a distillation residue of rice bran oil, or a composition containing the ester, is dissolved or dispersed in an organic solvent, and isomerized at 46W110°C in the presence of 0.1W300%, based on the raw material, of iodine or a mixture of iodine and an iodide. The objective compound is obtained in 30W80% yield. The organic acid is, e.g. acetic acid, butyric acid, isobutyric acid, palmitic acid, benzoic acid, etc.
EFFECT: The scission of the cyclopropane ring and the decomposition of the ester at high temperature inherent to the conventional acid catalyst process can be avoided.
COPYRIGHT: (C)1980,JPO&Japio
JP54069944A 1979-06-06 1979-06-06 Method for producing cyclobranol organic acid ester Expired JPS5843400B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54069944A JPS5843400B2 (en) 1979-06-06 1979-06-06 Method for producing cyclobranol organic acid ester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54069944A JPS5843400B2 (en) 1979-06-06 1979-06-06 Method for producing cyclobranol organic acid ester

Publications (2)

Publication Number Publication Date
JPS55162740A true JPS55162740A (en) 1980-12-18
JPS5843400B2 JPS5843400B2 (en) 1983-09-27

Family

ID=13417262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54069944A Expired JPS5843400B2 (en) 1979-06-06 1979-06-06 Method for producing cyclobranol organic acid ester

Country Status (1)

Country Link
JP (1) JPS5843400B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983015U (en) * 1982-11-25 1984-06-05 株式会社タムラ製作所 small transformer
JPS59142219U (en) * 1982-11-25 1984-09-22 林　光夫 Truck loading platform for construction work
JPS60258198A (en) * 1984-06-04 1985-12-20 Amano Pharmaceut Co Ltd Triterpene alcohol organic acid ester and its preparation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983015U (en) * 1982-11-25 1984-06-05 株式会社タムラ製作所 small transformer
JPS59142219U (en) * 1982-11-25 1984-09-22 林　光夫 Truck loading platform for construction work
JPS6314414Y2 (en) * 1982-11-25 1988-04-22
JPS60258198A (en) * 1984-06-04 1985-12-20 Amano Pharmaceut Co Ltd Triterpene alcohol organic acid ester and its preparation
JPH0140040B2 (en) * 1984-06-04 1989-08-24 Amano Pharma Co Ltd

Also Published As

Publication number Publication date
JPS5843400B2 (en) 1983-09-27

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