ES2073191T3 - Procedimiento para la preparacion de urea aromatica disustituida simetrica n,n'. - Google Patents

Procedimiento para la preparacion de urea aromatica disustituida simetrica n,n'.

Info

Publication number
ES2073191T3
ES2073191T3 ES92100774T ES92100774T ES2073191T3 ES 2073191 T3 ES2073191 T3 ES 2073191T3 ES 92100774 T ES92100774 T ES 92100774T ES 92100774 T ES92100774 T ES 92100774T ES 2073191 T3 ES2073191 T3 ES 2073191T3
Authority
ES
Spain
Prior art keywords
procedure
preparation
aromatic
catalyst component
aromatic urea
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 - Lifetime
Application number
ES92100774T
Other languages
English (en)
Inventor
Jae Seung Oh
Sang Moo Lee
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.)
LG Corp
Original Assignee
Lucky 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 Lucky Ltd filed Critical Lucky Ltd
Application granted granted Critical
Publication of ES2073191T3 publication Critical patent/ES2073191T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C275/30—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety

Landscapes

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

Abstract

SE PRESENTA UN PROCESO MEJORADO PARA PREPARAR DERIVADOS DE UREA N,N''-DISUBSTITUIDA DE LA SIGUIENTE FORMULA (I) EN LA QUE AR REPRESENTA UN RADICAL AROMATICO OPCIONALMENTE SUSTITUIDO CON HALOGENO, ALQUIL O UN GRUPO ALCOXIDO, EL PROCESO COMPRENDE LA REACCION DE UN COMPUESTO MONONITRO AROMATICO, UN AMINO PRIMARIO AROMATICO Y UN GAS DE SINTESIS EN LA PRESENCIA DE UN CATALIZADOR QUE CONSTA ESENCIALMENTE DE UN COMPUESTO DE PALADIUM DIVALENTE COMO PRINCIPAL COMPONENTE DEL CATALIZADOR Y UNA SAL DE AMONIO O FOSFONIO QUE CONTENGA UN ATOMO DE HALOGENO COMO COMPONENTE COCATALIZADOR CON O SIN LA PRESENCIA DE UN SOLVENTE.
ES92100774T 1991-06-24 1992-01-17 Procedimiento para la preparacion de urea aromatica disustituida simetrica n,n'. Expired - Lifetime ES2073191T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR91010513A KR960009117B1 (en) 1991-06-24 1991-06-24 Process for the preparation of symmetric form n,n'-substitute aromatic urea

Publications (1)

Publication Number Publication Date
ES2073191T3 true ES2073191T3 (es) 1995-08-01

Family

ID=19316227

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92100774T Expired - Lifetime ES2073191T3 (es) 1991-06-24 1992-01-17 Procedimiento para la preparacion de urea aromatica disustituida simetrica n,n'.

Country Status (8)

Country Link
EP (1) EP0520130B1 (es)
JP (1) JPH06104650B2 (es)
KR (1) KR960009117B1 (es)
AT (1) ATE121075T1 (es)
DE (1) DE69202005T2 (es)
DK (1) DK0520130T3 (es)
ES (1) ES2073191T3 (es)
GR (1) GR3015857T3 (es)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890005036B1 (ko) * 1985-09-04 1989-12-08 니홍 고강 가부시기가이샤 방향족 우레탄 및 그 중간생성물의 제조방법

Also Published As

Publication number Publication date
DE69202005D1 (de) 1995-05-18
EP0520130B1 (en) 1995-04-12
EP0520130A1 (en) 1992-12-30
JPH051018A (ja) 1993-01-08
ATE121075T1 (de) 1995-04-15
DE69202005T2 (de) 1995-08-24
DK0520130T3 (da) 1995-07-03
GR3015857T3 (en) 1995-07-31
JPH06104650B2 (ja) 1994-12-21
KR960009117B1 (en) 1996-07-13
KR930000475A (ko) 1993-01-15

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