JPS6425746A - Production of (4-hydroxyphenyl)-cyclohexanecarboxylic acids and 4'-hydroxybiphenylcarboxylic acids - Google Patents

Production of (4-hydroxyphenyl)-cyclohexanecarboxylic acids and 4'-hydroxybiphenylcarboxylic acids

Info

Publication number
JPS6425746A
JPS6425746A JP62232459A JP23245987A JPS6425746A JP S6425746 A JPS6425746 A JP S6425746A JP 62232459 A JP62232459 A JP 62232459A JP 23245987 A JP23245987 A JP 23245987A JP S6425746 A JPS6425746 A JP S6425746A
Authority
JP
Japan
Prior art keywords
formula
compound
hydroxyphenyl
acids
acid
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
JP62232459A
Other languages
Japanese (ja)
Other versions
JP2533565B2 (en
Inventor
Toru Miura
Hideki Mizuta
Tatsuya Nagayoshi
Teruyuki Nagata
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP62232459A priority Critical patent/JP2533565B2/en
Publication of JPS6425746A publication Critical patent/JPS6425746A/en
Application granted granted Critical
Publication of JP2533565B2 publication Critical patent/JP2533565B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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

Abstract

PURPOSE:To obtain the titled compound useful as a raw material for intermediate of liquid crystal compound readily and industrially, by decomposing a bis(4- hydroxyphenyl)-cyclohexanecarboxylic acid, a novel compound, as a raw material without using a hydrogen acceptor. CONSTITUTION:A bis(4-hydroxyphenyl)-cyclohexanecarboxylic acid shown by formula III, a novel compound, obtained by condensing a cyclohexanone- carboxylic acid shown by formula I (R is H or lower alkyl; R<2> is lower alkyl; m is 0-4) with a phenol shown by formula II (R<1>=R<2>; n=m) is decomposed in a solvent, preferably water in the presence of both a decomposing catalyst of a base such as NaOH or acid catalyst and a hydrogen transfer catalyst, preferably Pd/C under mild condition (higher ratio) at 100-400 deg.C to give a compound shown by formula IV and a compound shown by formula V simultaneously. These compounds are adjusted to proper pH and acid precipitation is carried out to separate and give the high-purity compound shown by formula IV.
JP62232459A 1987-04-14 1987-09-18 Process for producing 3- (4-hydroxyphenyl) -cyclohexanecarboxylic acid and 4'-hydroxybiphenyl-3-carboxylic acid Expired - Fee Related JP2533565B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62232459A JP2533565B2 (en) 1987-04-14 1987-09-18 Process for producing 3- (4-hydroxyphenyl) -cyclohexanecarboxylic acid and 4'-hydroxybiphenyl-3-carboxylic acid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8988987 1987-04-14
JP62-89889 1987-04-14
JP62232459A JP2533565B2 (en) 1987-04-14 1987-09-18 Process for producing 3- (4-hydroxyphenyl) -cyclohexanecarboxylic acid and 4'-hydroxybiphenyl-3-carboxylic acid

Publications (2)

Publication Number Publication Date
JPS6425746A true JPS6425746A (en) 1989-01-27
JP2533565B2 JP2533565B2 (en) 1996-09-11

Family

ID=26431288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62232459A Expired - Fee Related JP2533565B2 (en) 1987-04-14 1987-09-18 Process for producing 3- (4-hydroxyphenyl) -cyclohexanecarboxylic acid and 4'-hydroxybiphenyl-3-carboxylic acid

Country Status (1)

Country Link
JP (1) JP2533565B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696546A (en) * 1992-04-22 1994-04-08 Nec Corp Magnetic-disk positioning-signal write device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696546A (en) * 1992-04-22 1994-04-08 Nec Corp Magnetic-disk positioning-signal write device

Also Published As

Publication number Publication date
JP2533565B2 (en) 1996-09-11

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees