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ES8705859A1 - Un procedimiento para preparar omega-lactamas - Google Patents

Un procedimiento para preparar omega-lactamas

Info

Publication number
ES8705859A1
ES8705859A1 ES553304A ES553304A ES8705859A1 ES 8705859 A1 ES8705859 A1 ES 8705859A1 ES 553304 A ES553304 A ES 553304A ES 553304 A ES553304 A ES 553304A ES 8705859 A1 ES8705859 A1 ES 8705859A1
Authority
ES
Spain
Prior art keywords
lactams
reaction
particular caprolactam
preparing omega
omega
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
ES553304A
Other languages
English (en)
Other versions
ES553304A0 (es
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.)
FRIULI CHIM SpA
Chimica Del Friuli SpA
Original Assignee
FRIULI CHIM SpA
Chimica Del Friuli SpA
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 FRIULI CHIM SpA, Chimica Del Friuli SpA filed Critical FRIULI CHIM SpA
Publication of ES8705859A1 publication Critical patent/ES8705859A1/es
Publication of ES553304A0 publication Critical patent/ES553304A0/es
Expired legal-status Critical Current

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

Abstract

MODIFICACIONES EN UN PROCEDIMIENTO PARA PREPARAR OMEGA-LACTAMAS. CONSISTENTES EN: A) UNA ETAPA DE PREMEZCLA, EN LA QUE SE MEZCLAN ACIDOS CICLOALIFATICOS DE FORMULA (I) EN LA QUE N ES UN ENTERO DE 3 A 13; B) UNA PRIMERA ETAPA DE REACCION EN LA QUE UN AGENTE NITROSANTE Y LA MEZCLA DE LA ETAPA A) SE INTRODUCEN EN UN REACTOR A TEMPERATURA DE 30 A 100JC; C) UNA SEGUNDA ETAPA DE REACCION EN LA QUE TIENE LUGAR EL FINAL DE LA REACCION DE LACTAMIZACION A TEMPERATURA ENTRE 30 Y 100JC; Y D) UNA ETAPA DE RECUPERACION DEL ACIDO CICLOALIFATICO QUE NO HA REACCIONADO. TIENE APLICACIONES PARA LA OBTENCION DE CAPROLACTAMA DE GRAN PUREZA.
ES553304A 1985-03-27 1986-03-24 Un procedimiento para preparar omega-lactamas Expired ES8705859A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20089/85A IT1187655B (it) 1985-03-27 1985-03-27 Procedimento per la preparazione di w-lattami,in particolare caprolattame

Publications (2)

Publication Number Publication Date
ES8705859A1 true ES8705859A1 (es) 1987-05-16
ES553304A0 ES553304A0 (es) 1987-05-16

Family

ID=11163709

Family Applications (1)

Application Number Title Priority Date Filing Date
ES553304A Expired ES8705859A1 (es) 1985-03-27 1986-03-24 Un procedimiento para preparar omega-lactamas

Country Status (9)

Country Link
US (1) US4647661A (es)
EP (1) EP0197408A3 (es)
AR (1) AR241134A1 (es)
BR (1) BR8601349A (es)
ES (1) ES8705859A1 (es)
IN (1) IN167050B (es)
IT (1) IT1187655B (es)
MX (1) MX165249B (es)
SU (1) SU1588278A3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793994A (en) * 1986-06-27 1988-12-27 Gaf Corporation Compositions used in permanent structure altering of hair
US4775527A (en) * 1986-06-27 1988-10-04 Gaf Corporation Compositions used in permanent alteration of hair color
US5153307A (en) * 1991-07-31 1992-10-06 International Business Machines Corporation Stabilization of polyamide alkyl ester solutions
US5284357A (en) * 1991-11-01 1994-02-08 Tinkler Michael R Apparatus and method for damping deflections and vibrations in skis
CN100374418C (zh) * 2006-03-01 2008-03-12 湘潭大学 一种合成己内酰胺及其低聚物的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022291A (en) * 1962-02-20 cuhno
GB1050547A (es) * 1963-03-06
IT723201A (es) * 1964-05-15
IT1125603B (it) * 1979-11-02 1986-05-14 Snia Viscosa Procedimento per la preparazione di omega-lattami,in particolare caprolattame
US4349437A (en) * 1980-07-24 1982-09-14 Rickett David A Automatic and continuous chemical feed system

Also Published As

Publication number Publication date
AR241134A1 (es) 1991-11-29
EP0197408A2 (en) 1986-10-15
MX165249B (es) 1992-11-04
IT1187655B (it) 1987-12-23
IT8520089A0 (it) 1985-03-27
IN167050B (es) 1990-08-25
AR241134A2 (es) 1991-11-29
EP0197408A3 (en) 1990-03-14
US4647661A (en) 1987-03-03
SU1588278A3 (ru) 1990-08-23
BR8601349A (pt) 1986-12-02
ES553304A0 (es) 1987-05-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401