ES8609196A1 - Procedimiento para la obtencion de 1-arilpropandiol-1, 3-diacilatos - Google Patents

Procedimiento para la obtencion de 1-arilpropandiol-1, 3-diacilatos

Info

Publication number
ES8609196A1
ES8609196A1 ES536677A ES536677A ES8609196A1 ES 8609196 A1 ES8609196 A1 ES 8609196A1 ES 536677 A ES536677 A ES 536677A ES 536677 A ES536677 A ES 536677A ES 8609196 A1 ES8609196 A1 ES 8609196A1
Authority
ES
Spain
Prior art keywords
diacylates
preparation
arylpropane
diol
arylolefine
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
ES536677A
Other languages
English (en)
Other versions
ES536677A0 (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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of ES8609196A1 publication Critical patent/ES8609196A1/es
Publication of ES536677A0 publication Critical patent/ES536677A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
    • C07C69/04—Formic acid esters
    • C07C69/08—Formic acid esters of dihydroxylic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
    • C07C69/12—Acetic acid esters
    • C07C69/16—Acetic acid esters of dihydroxylic compounds

Landscapes

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

Abstract

OBTENCION DEL 1,3-DIACILATO,1-ARILPROPANDIOL, POR REACCION DE ARILOLEFINAS CON ACIDOS CARBOXILICOS Y/O SUS ANHIDRIDOS Y FORMALDEHIDOS EN PROPORCIONES MOLARES DE 1:2 A 10:0,5 A 2 EN PRESENCIA DE UN CATALIZADOR ACIDO, AÑADIENDO A LA MEZCLA UN 4-ARIL-DIOXANO-1,3 QUE IMPIDE LA PRECIPITACION, EN PROPORCIONES MOLARES DE 0,1 A 1 MOL, ESPECIALMENTE DE 0,2 A 0,4 MOLES DE 4-ARIL-DIOXANO-1,3/MOL/ARILOLEFINA; ENTRE 10J Y 50JC A SOBREPRESION O EN VACIO. DE LAS ARILOLEFINAS SE USAN EL ESTIRENO Y EL METILESTIRENO; DE LOS ACIDOS, EL ACETICO, PROPIONICO O ISOBUTIRICO CON SUS ANHIDROS, EN PROPORCIONES MOLARES DE 1:3 A 5. COMO CATALIZADORES ACIDOS SE USAN EL ACIDO SULFURICO CONCENTRADO O LOS INTERCAMBIADORES DE IONES. COMO FORMALDEHIDOS, EL FORMALDEHIDO MONOMERO Y EL PARAFORMALDEHIDO. LAS REACCIONES CONCLUYEN ENTRE LAS 2 Y LAS 12 HORAS, CON UNA REACCION SECUNDARIA ENTRE LAS 8 Y LAS 48 HORAS, PUEDE AUMENTARSE EL RENDIMIENTO; TRAS LA CONVERSION SE NEUTRALIZA EVENTUALMENTE LA REACCION OBTENIDA; LA POSTERIOR TRANSFORMACION SE VERIFICA POR RECTIFICACION. DE GRAN INTERES PARA LA OBTENCION DE SUSTANCIAS ODORIFERAS.
ES536677A 1983-10-12 1984-10-11 Procedimiento para la obtencion de 1-arilpropandiol-1, 3-diacilatos Expired ES8609196A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833337102 DE3337102A1 (de) 1983-10-12 1983-10-12 Verfahren zur herstellung von 1-arylpropandiol-1,3-diacylaten

Publications (2)

Publication Number Publication Date
ES8609196A1 true ES8609196A1 (es) 1986-09-01
ES536677A0 ES536677A0 (es) 1986-09-01

Family

ID=6211641

Family Applications (1)

Application Number Title Priority Date Filing Date
ES536677A Expired ES8609196A1 (es) 1983-10-12 1984-10-11 Procedimiento para la obtencion de 1-arilpropandiol-1, 3-diacilatos

Country Status (4)

Country Link
EP (1) EP0137968B1 (es)
JP (1) JPS6097931A (es)
DE (2) DE3337102A1 (es)
ES (1) ES8609196A1 (es)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965696C (de) * 1951-09-01 1957-07-25 Basf Ag Verfahren zur Herstellung von Estern von Glykolmono-(oxymethyl)-aethern

Also Published As

Publication number Publication date
EP0137968A2 (de) 1985-04-24
JPS6097931A (ja) 1985-05-31
DE3337102A1 (de) 1985-04-25
DE3469733D1 (en) 1988-04-14
EP0137968A3 (en) 1986-02-05
ES536677A0 (es) 1986-09-01
EP0137968B1 (de) 1988-03-09

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