ES8706109A1 - Procedimiento para preparar esteres de acido 2-isocianato-2,3-deshidrocarboxilico - Google Patents

Procedimiento para preparar esteres de acido 2-isocianato-2,3-deshidrocarboxilico

Info

Publication number
ES8706109A1
ES8706109A1 ES552838A ES552838A ES8706109A1 ES 8706109 A1 ES8706109 A1 ES 8706109A1 ES 552838 A ES552838 A ES 552838A ES 552838 A ES552838 A ES 552838A ES 8706109 A1 ES8706109 A1 ES 8706109A1
Authority
ES
Spain
Prior art keywords
group
general formula
isocyanato
acid esters
dehydrocarbonic
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
ES552838A
Other languages
English (en)
Other versions
ES552838A0 (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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Publication of ES8706109A1 publication Critical patent/ES8706109A1/es
Publication of ES552838A0 publication Critical patent/ES552838A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid

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

PROCEDIMIENTO PARA LA OBTENCION DE UN COMPUESTO DE FORMULA (I). COMPRENDE LA REACCION DE UN ESTER DE ACIDO 2-AZIDOCARBOXILICO, DE FORMULA (II) CON FOSGENO O DIFOSGENO, EN UN DISOLVENTE INERTE, EN PRESENCIA DE UN PRERRENATO, A UNA TEMPERATURA COMPRENDIDA ENTRE 0JC Y 150JC, PARA OBTENER UN COMPUESTO DE FORMULA (I), EN LA QUE R1 REPRESENTA HIDROGENO O METILO Y R1 Y R3 PUEDEN SER VARIOS TIPOS DE RADICALES. ESTOS COMPUESTOS TIENEN APLICACIONES COMO INTERMEDIOS PARA LA SINTESIS DE MEDICAMENTOS.
ES552838A 1985-03-11 1986-03-10 Procedimiento para preparar esteres de acido 2-isocianato-2,3-deshidrocarboxilico Expired ES8706109A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3508563A DE3508563C1 (de) 1985-03-11 1985-03-11 Verfahren zur Herstellung von 2-Isocyanato-2,3-dehydrocarbonsaeureestern

Publications (2)

Publication Number Publication Date
ES8706109A1 true ES8706109A1 (es) 1987-06-01
ES552838A0 ES552838A0 (es) 1987-06-01

Family

ID=6264800

Family Applications (1)

Application Number Title Priority Date Filing Date
ES552838A Expired ES8706109A1 (es) 1985-03-11 1986-03-10 Procedimiento para preparar esteres de acido 2-isocianato-2,3-deshidrocarboxilico

Country Status (7)

Country Link
US (1) US4661626A (es)
EP (1) EP0195196B1 (es)
JP (1) JPS61207364A (es)
AT (1) ATE46145T1 (es)
CA (1) CA1269396A (es)
DE (1) DE3508563C1 (es)
ES (1) ES8706109A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711802A1 (de) * 1987-04-08 1988-10-20 Degussa Verfahren zur herstellung von 4-methylen-oxazolidin-2,5-dionen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461963C2 (de) * 1974-12-31 1983-03-24 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von 1-Alkenylisocyanaten
DE3205433A1 (de) * 1982-02-16 1983-08-25 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 1-alkenylisocyanaten

Also Published As

Publication number Publication date
DE3508563C1 (de) 1986-03-27
ATE46145T1 (de) 1989-09-15
US4661626A (en) 1987-04-28
EP0195196A1 (de) 1986-09-24
ES552838A0 (es) 1987-06-01
JPS61207364A (ja) 1986-09-13
EP0195196B1 (de) 1989-09-06
CA1269396A (en) 1990-05-22

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960401