JPS51127090A - Process for preparation of epsilon-caprolactam - Google Patents

Process for preparation of epsilon-caprolactam

Info

Publication number
JPS51127090A
JPS51127090A JP4976975A JP4976975A JPS51127090A JP S51127090 A JPS51127090 A JP S51127090A JP 4976975 A JP4976975 A JP 4976975A JP 4976975 A JP4976975 A JP 4976975A JP S51127090 A JPS51127090 A JP S51127090A
Authority
JP
Japan
Prior art keywords
caprolactam
complex
epsilon
preparation
solvent
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
JP4976975A
Other languages
Japanese (ja)
Other versions
JPS6020382B2 (en
Inventor
Junji Takeuchi
Takuji Enomiya
Takahito Nakamura
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 JP4976975A priority Critical patent/JPS6020382B2/en
Publication of JPS51127090A publication Critical patent/JPS51127090A/en
Publication of JPS6020382B2 publication Critical patent/JPS6020382B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

PURPOSE: Cyclohexanoneoxime is converted to lactame complex in the presence of BF3 series catalyst, and solvent decomposing the complex such as DMSO and the extraction solvent are added to the complex and followed by separating to two phases to give ϒ-caprolactam from the upper phase.
COPYRIGHT: (C)1976,JPO&Japio
JP4976975A 1975-04-25 1975-04-25 Production method of ε-caprolactam Expired JPS6020382B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4976975A JPS6020382B2 (en) 1975-04-25 1975-04-25 Production method of ε-caprolactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4976975A JPS6020382B2 (en) 1975-04-25 1975-04-25 Production method of ε-caprolactam

Publications (2)

Publication Number Publication Date
JPS51127090A true JPS51127090A (en) 1976-11-05
JPS6020382B2 JPS6020382B2 (en) 1985-05-21

Family

ID=12840365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4976975A Expired JPS6020382B2 (en) 1975-04-25 1975-04-25 Production method of ε-caprolactam

Country Status (1)

Country Link
JP (1) JPS6020382B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225547A (en) * 1990-06-15 1993-07-06 Sumitomo Chemical Company Limited Reaction accelerator for rearrangement of oxime to amide and process for producing amides by rearrangement of oximes
US5254684A (en) * 1991-05-21 1993-10-19 Sumitomo Chemical Company, Limited Process for producing amide by liquid phase rearrangement of oxime
US6017611A (en) * 1998-02-20 2000-01-25 Felix Schoeller Technical Papers, Inc. Ink jet printable support material for thermal transfer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225547A (en) * 1990-06-15 1993-07-06 Sumitomo Chemical Company Limited Reaction accelerator for rearrangement of oxime to amide and process for producing amides by rearrangement of oximes
US5254684A (en) * 1991-05-21 1993-10-19 Sumitomo Chemical Company, Limited Process for producing amide by liquid phase rearrangement of oxime
US6017611A (en) * 1998-02-20 2000-01-25 Felix Schoeller Technical Papers, Inc. Ink jet printable support material for thermal transfer

Also Published As

Publication number Publication date
JPS6020382B2 (en) 1985-05-21

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