BR0208606A - Processo de ciclização hidrolìtica - Google Patents

Processo de ciclização hidrolìtica

Info

Publication number
BR0208606A
BR0208606A BR0208606-9A BR0208606A BR0208606A BR 0208606 A BR0208606 A BR 0208606A BR 0208606 A BR0208606 A BR 0208606A BR 0208606 A BR0208606 A BR 0208606A
Authority
BR
Brazil
Prior art keywords
hydrolytically
hydrolytic
cyclization process
cyclization
present
Prior art date
Application number
BR0208606-9A
Other languages
English (en)
Inventor
Cecile Rosier
Aline Seigneurin
Original Assignee
Rhodia Polyamide Intermediates
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 Rhodia Polyamide Intermediates filed Critical Rhodia Polyamide Intermediates
Publication of BR0208606A publication Critical patent/BR0208606A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"PROCESSO DE CICLIZAçãO HIDROLìTICA". A presente invenção trata de um processo de ciclização hidrolítica de um composto de aminonitrila em lactama em presença de um catalisador. Ela trata mais particularmente de um processo de ciclização hidrolítica de um composto de aminonitrila em presença de um catalisador sólido de tipo argila. A presente invenção aplica-se em particular à preparação de <sym>-caprolactama por ciclização hidrolítica da aminocapronitrila.
BR0208606-9A 2001-03-21 2002-03-19 Processo de ciclização hidrolìtica BR0208606A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0103826A FR2822465A1 (fr) 2001-03-21 2001-03-21 Procede d'hydrolyse cyclisante d'un compose aminonitrile en lactame
PCT/FR2002/000957 WO2002074739A1 (fr) 2001-03-21 2002-03-19 Procede d'hydrolyse cyclisante d'un compose aminonitrile en lactame

Publications (1)

Publication Number Publication Date
BR0208606A true BR0208606A (pt) 2004-06-08

Family

ID=8861390

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0208606-9A BR0208606A (pt) 2001-03-21 2002-03-19 Processo de ciclização hidrolìtica

Country Status (13)

Country Link
US (1) US20040116691A1 (pt)
EP (1) EP1370524A1 (pt)
KR (1) KR20030093264A (pt)
CN (1) CN1503783A (pt)
BR (1) BR0208606A (pt)
CA (1) CA2441812A1 (pt)
FR (1) FR2822465A1 (pt)
HU (1) HUP0303591A3 (pt)
IL (1) IL158018A0 (pt)
MX (1) MXPA03008451A (pt)
PL (1) PL365252A1 (pt)
RU (1) RU2003130972A (pt)
WO (1) WO2002074739A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944791B1 (fr) 2009-04-27 2012-02-10 Rhodia Operations Procede de preparation de lactames.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB639945A (en) * 1940-08-12 1950-07-12 Universal Oil Prod Co Process for the dehydrogenation of hydrocarbons
US2357484A (en) * 1941-09-12 1944-09-05 Du Pont Process for producing compounds containing an n-substituted amide group
US3136780A (en) * 1961-12-12 1964-06-09 Fmc Corp Vapor phase ammonolysis of butyrolactone in the presence of an aluminum silicate clay catalyst
FR2512043A1 (fr) * 1981-08-27 1983-03-04 Jacobs Pierre Procede de preparation d'argiles pontees, argiles preparees par ce procede et applications desdites argiles
DE19632006A1 (de) * 1996-08-08 1998-02-12 Bayer Ag Verfahren zur Herstellung von Lactamen
FR2755132B1 (fr) * 1996-10-24 1998-11-27 Rhone Poulenc Fibres Procede de traitement de lactames
FR2781480B1 (fr) * 1998-07-22 2001-06-01 Rhone Poulenc Fibres Procede d'hydrolyse cyclisante d'un compose aminonitrile en lactame

Also Published As

Publication number Publication date
CN1503783A (zh) 2004-06-09
KR20030093264A (ko) 2003-12-06
CA2441812A1 (fr) 2002-09-26
IL158018A0 (en) 2004-03-28
PL365252A1 (en) 2004-12-27
MXPA03008451A (es) 2003-12-08
FR2822465A1 (fr) 2002-09-27
US20040116691A1 (en) 2004-06-17
WO2002074739A1 (fr) 2002-09-26
HUP0303591A3 (en) 2005-09-28
HUP0303591A2 (hu) 2004-01-28
RU2003130972A (ru) 2005-01-27
EP1370524A1 (fr) 2003-12-17

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 4A,5A,6A E 7A ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2029 DE 24/11/2009.