GB1268869A - PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM - Google Patents

PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM

Info

Publication number
GB1268869A
GB1268869A GB42902/69A GB4290269A GB1268869A GB 1268869 A GB1268869 A GB 1268869A GB 42902/69 A GB42902/69 A GB 42902/69A GB 4290269 A GB4290269 A GB 4290269A GB 1268869 A GB1268869 A GB 1268869A
Authority
GB
United Kingdom
Prior art keywords
caprolactam
salts
acidic
sept
steam
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.)
Expired
Application number
GB42902/69A
Other languages
English (en)
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.)
Teijin Ltd
Original Assignee
Teijin 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
Priority claimed from JP6361168A external-priority patent/JPS4631539B1/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of GB1268869A publication Critical patent/GB1268869A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02Preparation of lactams
    • C07D201/08Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB42902/69A 1968-09-04 1969-08-28 PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM Expired GB1268869A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6361168A JPS4631539B1 (https=) 1968-09-04 1968-09-04
JP7104868 1968-09-30

Publications (1)

Publication Number Publication Date
GB1268869A true GB1268869A (en) 1972-03-29

Family

ID=26404752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42902/69A Expired GB1268869A (en) 1968-09-04 1969-08-28 PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM

Country Status (5)

Country Link
US (1) US3658810A (https=)
CH (1) CH517749A (https=)
DE (1) DE1944910A1 (https=)
FR (1) FR2017388A1 (https=)
GB (1) GB1268869A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133590A1 (en) * 1983-07-04 1985-02-27 Unilever N.V. Catalytic preparation of carbonamides
EP0271817A1 (de) * 1986-12-17 1988-06-22 BASF Aktiengesellschaft Verfahren zur Herstellung von Caprolactam aus 6-Aminocapronsäure, deren Estern und Amiden
WO2002050026A1 (en) * 2000-12-21 2002-06-27 National Institute Of Advanced Industrial Science And Technology Process for synthesizing lactam
WO2002050025A1 (fr) * 2000-12-21 2002-06-27 National Institute Of Advanced Industrial Science And Technology Procede de synthese de beta-lactamine

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403574A1 (de) * 1984-02-02 1985-08-08 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von caprolactam aus (epsilon)-aminocapronsaeure
DE3735904A1 (de) * 1987-08-15 1989-02-23 Bayer Ag Verfahren zur herstellung von n-alkylierten caprolactamen
DE4422610A1 (de) * 1994-06-28 1996-01-04 Basf Ag Verfahren zur Herstellung von cyclischen Lactamen
DE19628805A1 (de) * 1996-07-17 1998-01-22 Basf Ag Verfahren zur Herstellung von Caprolactam aus 6-Aminocapronitril
DE19648747A1 (de) * 1996-11-25 1998-05-28 Basf Ag Verfahren zur Rückgewinnung von Caprolactam und seinen Oligomeren aus wässrigen Polycaprolactam-Extrakten
KR100516986B1 (ko) 1997-02-19 2005-09-26 코닌클리즈케 디에스엠 엔.브이. 6-아미노카프론산 유도체를 과열 수증기와 접촉시킴으로써 촉매 없이 카프로락탐을 제조하는 방법
EP0860431A1 (en) * 1997-02-19 1998-08-26 Dsm N.V. Process to prepare e-caprolactam
EP0882710A1 (en) * 1997-06-03 1998-12-09 Industrial Technology Research Institute Method for the preparation of caprolactam and preparation of catalysts for this method
FR2780401B1 (fr) * 1998-06-25 2001-02-09 Rhone Poulenc Fibres Procede de vaporisation d'aminonitrile
EP1028109A1 (en) * 1999-02-12 2000-08-16 Dsm N.V. Process for the preparation of epsilon-caprolactam
US6331624B1 (en) 2000-04-05 2001-12-18 E.I. Du Pont De Nemours And Company Process for preparing 6-aminocaproamide
FR2833946B1 (fr) * 2001-12-21 2005-08-05 Rhodia Polyamide Intermediates Procede de preparation de lactame
TWI537386B (zh) 2009-12-22 2016-06-11 Dsm智慧財產有限公司 由發酵法獲得的6-胺己酸製備己內醯胺
IT201800021409A1 (it) 2018-12-28 2020-06-28 Aquafil S P A Processo per la produzione di epsilon caprolattame dall’acido 6-aminocaproico.
WO2021100759A1 (ja) 2019-11-19 2021-05-27 東レ株式会社 ε-カプロラクタムの製造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133590A1 (en) * 1983-07-04 1985-02-27 Unilever N.V. Catalytic preparation of carbonamides
EP0271817A1 (de) * 1986-12-17 1988-06-22 BASF Aktiengesellschaft Verfahren zur Herstellung von Caprolactam aus 6-Aminocapronsäure, deren Estern und Amiden
WO2002050026A1 (en) * 2000-12-21 2002-06-27 National Institute Of Advanced Industrial Science And Technology Process for synthesizing lactam
WO2002050025A1 (fr) * 2000-12-21 2002-06-27 National Institute Of Advanced Industrial Science And Technology Procede de synthese de beta-lactamine
US7022842B2 (en) 2000-12-21 2006-04-04 National Institute Of Advanced Industrial Science And Technology Process for synthesizing beta-lactam

Also Published As

Publication number Publication date
DE1944910A1 (de) 1970-04-09
US3658810A (en) 1972-04-25
CH517749A (de) 1972-01-15
FR2017388A1 (https=) 1970-05-22

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