JPS532427A - Preparation of phenylenediamine - Google Patents

Preparation of phenylenediamine

Info

Publication number
JPS532427A
JPS532427A JP7441276A JP7441276A JPS532427A JP S532427 A JPS532427 A JP S532427A JP 7441276 A JP7441276 A JP 7441276A JP 7441276 A JP7441276 A JP 7441276A JP S532427 A JPS532427 A JP S532427A
Authority
JP
Japan
Prior art keywords
phenylenediamine
preparation
nitrohalogenobenzenes
catalysts
reduction
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
JP7441276A
Other languages
Japanese (ja)
Inventor
Tadamitsu Kiyoura
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 JP7441276A priority Critical patent/JPS532427A/en
Publication of JPS532427A publication Critical patent/JPS532427A/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

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

Abstract

PURPOSE: The title compound is industrially prepared in high yield with one-stage process by the direct reaction of nitrohalogenobenzenes with NH3 and H2 (the partial pressure is 0.5 - 10 kg/cm2) in the presence of catalysts for the reduction.
COPYRIGHT: (C)1978,JPO&Japio
JP7441276A 1976-06-25 1976-06-25 Preparation of phenylenediamine Pending JPS532427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7441276A JPS532427A (en) 1976-06-25 1976-06-25 Preparation of phenylenediamine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7441276A JPS532427A (en) 1976-06-25 1976-06-25 Preparation of phenylenediamine

Publications (1)

Publication Number Publication Date
JPS532427A true JPS532427A (en) 1978-01-11

Family

ID=13546443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7441276A Pending JPS532427A (en) 1976-06-25 1976-06-25 Preparation of phenylenediamine

Country Status (1)

Country Link
JP (1) JPS532427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526790A1 (en) * 1982-05-12 1983-11-18 Magyar Asvanyolaj Es Foeldgaz PROCESS FOR THE PREPARATION OF O-PHENYLENEDIAMINE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526790A1 (en) * 1982-05-12 1983-11-18 Magyar Asvanyolaj Es Foeldgaz PROCESS FOR THE PREPARATION OF O-PHENYLENEDIAMINE

Similar Documents

Publication Publication Date Title
JPS5353642A (en) Preparation of alpha,alpha-dimethylbenzyl-isocyanate or its nuclear-substituted derivatives
JPS5236609A (en) Process for preparation of alcohol and carbon monoxide
JPS532427A (en) Preparation of phenylenediamine
JPS52136122A (en) Preparation of acrylonitrile
JPS5373561A (en) Preparation of 1,3-dimethyl-2-imidazolidinone
JPS51125331A (en) Process for preparation of sec-amines
JPS5422306A (en) Preparation of glycols
JPS5223045A (en) Preparation of tropothiones
JPS53135926A (en) Synthesis of 1,3,6-tricyanohexane
JPS5212151A (en) Process for preparation of alkyladamantane
JPS5325504A (en) Isolation of glycols
JPS5337627A (en) Preparation of p-t-butylphenol of high purity
JPS5424824A (en) Preparation of aliphatic nitrile
JPS5253805A (en) Preparation of hexafluoropropylene epoxide
JPS532434A (en) Preparation of phenols
JPS53108916A (en) Preparation of methyl formate
JPS52153919A (en) Preparation of resorcin
JPS52153903A (en) Preparation of hexamethylenediamine
JPS532442A (en) Novel process for preparation of 1-phenyl-2-aminoethanol derivatives
JPS5219620A (en) Process for preparation of 2- hydroxyalkylacrylate
JPS5295615A (en) Preparation of phenylenediamine
JPS5377026A (en) Preparation of p-nitrosoaniline
JPS51127017A (en) Process for preparation of methacrylic acid
JPS5295616A (en) Separation of phenylenediamine
JPS5414920A (en) Synthesis of carbonate