ES2073210T3 - Procedimiento de obtencion del acido 2,5-di-(fenilamino)-tereftalico y sus esteres alquilicos de alta pureza. - Google Patents

Procedimiento de obtencion del acido 2,5-di-(fenilamino)-tereftalico y sus esteres alquilicos de alta pureza.

Info

Publication number
ES2073210T3
ES2073210T3 ES92109911T ES92109911T ES2073210T3 ES 2073210 T3 ES2073210 T3 ES 2073210T3 ES 92109911 T ES92109911 T ES 92109911T ES 92109911 T ES92109911 T ES 92109911T ES 2073210 T3 ES2073210 T3 ES 2073210T3
Authority
ES
Spain
Prior art keywords
tereftalico
fenilamino
procedure
high purity
alkyl esters
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
ES92109911T
Other languages
English (en)
Inventor
Hermann Dr Fuchs
Walter Dr Gilb
Otto Dr Arndt
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2073210T3 publication Critical patent/ES2073210T3/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
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/04—Formation of amino groups in compounds containing carboxyl groups
    • C07C227/06—Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid
    • C07C227/08—Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid by reaction of ammonia or amines with acids containing functional groups

Landscapes

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

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ACIDO 2,5 DI MINO) EDIMIENTO PARA LA OBTENCION DE ACIDO 2,5 DI EFTALICO Y SU ESTER DIALQUILO, DE FORMULA GENERAL (I), EN LA CUAL R EQUIVALE A UN ATOMO DE HIDROGENO O UN GRUPO METILO Y R'' ES UN ATOMO DE HIDROGENO O UN GRUPO METILO O ETILO, POR MEDIO DE (1) TRANSFORMACION DE UN ESTER DIALQUILO(C1 SUCCINICO POR EL PROCESO DIECKMANN DE CONDENSACION, CON ALCOHOLATO DE SODIO EN XILOL, PARA SAL DISODICA DEL ESTER DIALQUILO (C1 LICO, (2) TRANSFORMACION DEL PRODUCTO DE CONDENSACION ASI OBTENIDO TRAS LA DISGREGACION DE LAS SALES DISODICAS CON ACIDO, CON UNA FENILAMINA DE FORMULA GENERAL (II), EN LA CUAL R TIENE EL SIGNIFICADO DADO ANTERIORMENTE, EN PRESENCIA DE UN ACIDO ORGANICO EN XILOL PASA A ESTER DIALQUILO(C1 (OXIDACION) DEL DERIVADO DE CICLOHEXADIENO CON OXIGENO PASA AL CORRESPONDIENTE ESTER DIALQUILO(C1 EL ACIDO 2,5 ON DEL ESTER DIALQUILO ASI OBTENIDO EN HIDROXIDO SODICO METANOLICO PASA A LA CORRESPONDIENTE SAL DISODICA DEL ACIDO 2,5 - (FENILAMINO) TEREFTALICOY (5) LIBERACION DEL ACIDO 2,5 DO, CARACTERIZADO PORQUE LA OXIDACION SE REALIZA EN LA ETAPA (3) DE FORMA QUE A LA MEZCLA DE REACCION PRESENTE COMO DISOLUCION O SUSPENSION DE LA ETAPA (2), SE SUPERPONE NITROGENO EN UNA CALDERA DE AGITACION, ESTA MEZCLA REACTIVA SE BOMBEA EN EL CIRCUITO Y SE DOSIFICA EL OXIGENO EN UN VOLUMEN PARCIAL DE LA MEZCLA DE REACCION BOMBEADA, DE MANERA TAL QUE TENGA LUGAR UNA MEZCLA EFECTIVA.
ES92109911T 1991-06-14 1992-06-12 Procedimiento de obtencion del acido 2,5-di-(fenilamino)-tereftalico y sus esteres alquilicos de alta pureza. Expired - Lifetime ES2073210T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4119601 1991-06-14

Publications (1)

Publication Number Publication Date
ES2073210T3 true ES2073210T3 (es) 1995-08-01

Family

ID=6433917

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92109911T Expired - Lifetime ES2073210T3 (es) 1991-06-14 1992-06-12 Procedimiento de obtencion del acido 2,5-di-(fenilamino)-tereftalico y sus esteres alquilicos de alta pureza.

Country Status (7)

Country Link
US (1) US5208365A (es)
EP (1) EP0518351B1 (es)
JP (1) JP3222551B2 (es)
AT (1) ATE122335T1 (es)
CA (1) CA2071107A1 (es)
DE (1) DE59202124D1 (es)
ES (1) ES2073210T3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9106992A (pt) * 1990-11-23 1993-08-24 Hoechst Ag Processo para preparacao de acido 2,5-di-fenilamino-tereftalico e seus esteres diaqulicos em alta pureza
TW226359B (es) * 1991-08-22 1994-07-11 Hoechst Ag
EP0569823B1 (de) * 1992-05-12 1996-08-28 Hoechst Aktiengesellschaft Verfahren zur Herstellung von 2,5-Di-phenylamino-terephthalsäure und ihrer Dialkylester
ES2164859T3 (es) * 1995-09-25 2002-03-01 Ciba Sc Holding Ag Procedimiento para la preparacion de dialquil succinilsuccinatos.
AU2003266514A1 (en) * 2002-09-17 2004-04-08 Hirose Engineering Co., Ltd. Luminescent compounds, process for the preparation thereof, and light emitting devices
US8415496B2 (en) 2009-06-16 2013-04-09 Amyris, Inc. Biobased polyesters
WO2010148049A2 (en) * 2009-06-16 2010-12-23 Draths Corporation Preparation of trans, trans muconic acid and trans, trans muconates
EP2443083A2 (en) 2009-06-16 2012-04-25 Amyris, Inc. Cyclohexene 1,4-carboxylates
US8809583B2 (en) 2010-01-08 2014-08-19 Amyris, Inc. Methods for producing isomers of muconic acid and muconate salts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124581A (en) * 1964-03-10 Certificate of correction
US3107263A (en) * 1961-01-12 1963-10-15 Parke Davis & Co Anthranilic acids
US3413313A (en) * 1964-06-18 1968-11-26 Parke Davis & Co Anthranilic acid compounds and methods for their production
US3413339A (en) * 1964-06-18 1968-11-26 Parke Davis & Co Amine compounds and methods for their production
FR1539553A (fr) * 1966-10-07 1968-09-13 Geigy Ag J R Acides phényl-acétiques substitués et leur préparation
DE3834747A1 (de) * 1988-10-12 1990-05-03 Bayer Ag Verfahren zur herstellung von 2,5-diarylaminoterephthalsaeuren

Also Published As

Publication number Publication date
US5208365A (en) 1993-05-04
DE59202124D1 (de) 1995-06-14
JPH05170716A (ja) 1993-07-09
EP0518351A2 (de) 1992-12-16
EP0518351B1 (de) 1995-05-10
JP3222551B2 (ja) 2001-10-29
ATE122335T1 (de) 1995-05-15
EP0518351A3 (en) 1993-04-28
CA2071107A1 (en) 1992-12-15

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