JPS5392723A - Preparation of 4,4'-dihydroxydiphenylamine - Google Patents

Preparation of 4,4'-dihydroxydiphenylamine

Info

Publication number
JPS5392723A
JPS5392723A JP633477A JP633477A JPS5392723A JP S5392723 A JPS5392723 A JP S5392723A JP 633477 A JP633477 A JP 633477A JP 633477 A JP633477 A JP 633477A JP S5392723 A JPS5392723 A JP S5392723A
Authority
JP
Japan
Prior art keywords
dihydroxydiphenylamine
preparation
aminophenols
molecules
catalyst
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
JP633477A
Other languages
Japanese (ja)
Other versions
JPS6023666B2 (en
Inventor
Akihiro Tamaoki
Kosuke Yamamoto
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 JP52006334A priority Critical patent/JPS6023666B2/en
Publication of JPS5392723A publication Critical patent/JPS5392723A/en
Publication of JPS6023666B2 publication Critical patent/JPS6023666B2/en
Expired legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

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

Abstract

PURPOSE: To obtain the title compound in high yeild by deammonia condensation of two molecules of p-aminophenols, using an aromatic sulfonic acid as a catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP52006334A 1977-01-25 1977-01-25 Method for producing 4,4'-dihydroxydiphenylamines Expired JPS6023666B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52006334A JPS6023666B2 (en) 1977-01-25 1977-01-25 Method for producing 4,4'-dihydroxydiphenylamines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52006334A JPS6023666B2 (en) 1977-01-25 1977-01-25 Method for producing 4,4'-dihydroxydiphenylamines

Publications (2)

Publication Number Publication Date
JPS5392723A true JPS5392723A (en) 1978-08-15
JPS6023666B2 JPS6023666B2 (en) 1985-06-08

Family

ID=11635457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52006334A Expired JPS6023666B2 (en) 1977-01-25 1977-01-25 Method for producing 4,4'-dihydroxydiphenylamines

Country Status (1)

Country Link
JP (1) JPS6023666B2 (en)

Also Published As

Publication number Publication date
JPS6023666B2 (en) 1985-06-08

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