JPS53141290A - Preparation of epsilon-caprolactam - Google Patents

Preparation of epsilon-caprolactam

Info

Publication number
JPS53141290A
JPS53141290A JP5439477A JP5439477A JPS53141290A JP S53141290 A JPS53141290 A JP S53141290A JP 5439477 A JP5439477 A JP 5439477A JP 5439477 A JP5439477 A JP 5439477A JP S53141290 A JPS53141290 A JP S53141290A
Authority
JP
Japan
Prior art keywords
caprolactam
epsilon
preparation
azepin
dihydro
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
JP5439477A
Other languages
Japanese (ja)
Other versions
JPS6021142B2 (en
Inventor
Mitsuo Mazaki
Kiyoshi Fukui
Junichiro Kita
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.)
Ube Corp
Original Assignee
Ube Industries 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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP52054394A priority Critical patent/JPS6021142B2/en
Publication of JPS53141290A publication Critical patent/JPS53141290A/en
Publication of JPS6021142B2 publication Critical patent/JPS6021142B2/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)

Abstract

PURPOSE: To prepare ε-caprolactam in high purity and high yield without formation of ammonium sulfate by hydrogenation of 1,3-dihydro-2H-azepin-2-ones in the presence of a cheap nickel catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP52054394A 1977-05-13 1977-05-13 Production method of ε-caprolactams Expired JPS6021142B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52054394A JPS6021142B2 (en) 1977-05-13 1977-05-13 Production method of ε-caprolactams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52054394A JPS6021142B2 (en) 1977-05-13 1977-05-13 Production method of ε-caprolactams

Publications (2)

Publication Number Publication Date
JPS53141290A true JPS53141290A (en) 1978-12-08
JPS6021142B2 JPS6021142B2 (en) 1985-05-25

Family

ID=12969455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52054394A Expired JPS6021142B2 (en) 1977-05-13 1977-05-13 Production method of ε-caprolactams

Country Status (1)

Country Link
JP (1) JPS6021142B2 (en)

Also Published As

Publication number Publication date
JPS6021142B2 (en) 1985-05-25

Similar Documents

Publication Publication Date Title
JPS5396388A (en) Preparation of l-phenylalanine
JPS53141290A (en) Preparation of epsilon-caprolactam
JPS5416452A (en) Preparation of dis(amnomethyl) cyclohexane
JPS5398961A (en) Preparation of indolines
JPS53119854A (en) Preparation of 4,4'-isopropylidenedicyclohexanol
JPS5424823A (en) Preparation of n,n-di-substituted glycolic amide
JPS52108908A (en) Preparation of n-substituted thiolcarbamates
JPS51112495A (en) Process for activating stabilized raney nickel catalysts
JPS52128388A (en) Preparation of hexamethyleneimine
JPS5328187A (en) Preparation of hexamethylene
JPS5232986A (en) Process for the preparation of polyolefin
JPS53135926A (en) Synthesis of 1,3,6-tricyanohexane
JPS5295615A (en) Preparation of phenylenediamine
JPS52148083A (en) Preparation of piperidine
JPS5328188A (en) Preparation of hexamethyleneimine
JPS539785A (en) Preparation of epsilon-caprolactam
JPS5273801A (en) Preparation of urea derivatives
JPS53132530A (en) Preparation of p-iodoaniline
JPS5395190A (en) Production of urokinase adsorbent and high purity urokinase
JPS53101317A (en) Preparation of nitoranilene
GB1545639A (en) Process for preparing 2,3-dichloro-4-hydroxybenzoic acid and its conversion to tierynafen
JPS5315384A (en) Preparation of methylpiperazinones
JPS53137985A (en) Preparation of epsilon-caprolactam
JPS51128992A (en) Process for preparing epsilon-caprolactam
JPS535158A (en) Preparation of optical active alpha-alkylvenzylalcohol and its intermediates