ES2145475T3 - Procedimiento para nitrar compuestos de eter difenilico. - Google Patents

Procedimiento para nitrar compuestos de eter difenilico.

Info

Publication number
ES2145475T3
ES2145475T3 ES96926472T ES96926472T ES2145475T3 ES 2145475 T3 ES2145475 T3 ES 2145475T3 ES 96926472 T ES96926472 T ES 96926472T ES 96926472 T ES96926472 T ES 96926472T ES 2145475 T3 ES2145475 T3 ES 2145475T3
Authority
ES
Spain
Prior art keywords
procedure
general formula
difenylic
nitrating
halogen
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
ES96926472T
Other languages
English (en)
Inventor
Stephen Martin Brown
James Peter Muxworthy
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.)
Syngenta Ltd
Original Assignee
Zeneca 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 Zeneca Ltd filed Critical Zeneca Ltd
Application granted granted Critical
Publication of ES2145475T3 publication Critical patent/ES2145475T3/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
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/27—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups
    • C07C205/35—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C205/36—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
    • C07C205/38—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system the oxygen atom of at least one of the etherified hydroxy groups being further bound to a carbon atom of a six-membered aromatic ring, e.g. nitrodiphenyl ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
    • C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C205/59—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids
    • C07C303/40—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups

Landscapes

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

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA LA PREPARACION DE UN COMPUESTO DE FORMULA GENERAL (I), EN LA CUAL R 1 ES HIDROGE NO O ALQUILO C 1 - C 6 , ALQUENILO C 2 C 6 O ALQUINILO C 2 - C 6 (CUALQUIERA DE LOS CUALES PUEDE ESTAR OPCIONALMENTE SUSTITUIDO CON UNO O MAS SUSTITUYENTES SELECCIONADOS ENTRE HALOGENO U OH), O COOH, COH, COOR 4 , CO R 6 , CONR 4 R 5 O CONHSO 2 R 4 ; R 4 Y R 5 SON CADA UNO INDEPENDIENTEMENTE HIDROGENO O ALQUILO C 1 - C 4 OPCIONALMENTE SUSTITUIDO CON UNO O MAS ATOMOS DE HALOGENO; R 6 ES UN ATOMO DE HALOGENO O UN GRUPO R 4 ; R 2 ES HIDROGENO O HALO; R 3 ES ALQUILO C SUB,1 - C 4 , ALQUENILO C 2 - C 4 O ALQUINILO C 2 - C 4 , CUALQUIERA DE LOS CUALES PUEDE ESTAR OPCIONALMENTE SUSTITUIDO CON UNO O MAS ATOMOS DE HALOGENO, O HALO; INCLUYENDO EL PROCEDIMIENTO HACER REACCIONAR UN COMPUESTO DE FORMULA GENERAL (II), EN LA CUAL R 1 , R 2 Y R 3 SON COMO SE DEFINEN PARA LA FORMULA GENERAL (I); CON UN AGENTE NITRANTE QUE INCLUYE ACIDO NITRICO O UNA MEZCLA DE ACIDOS NITRICO Y SULFURICO EN PRESENCIA DE UN DISOLVENTE ORGANICO Y EN PRESENCIA DE ANHIDRIDO ACETICO, QUE SE CARACTERIZA PORQUE LA PROPORCION MOLAR ENTRE ANHIDRICO ACETICO Y EL COMPUESTO DE FORMULA GENERAL (I) ES DESDE APROXIMADAMENTE 1:1 A 3:1.
ES96926472T 1995-09-13 1996-08-06 Procedimiento para nitrar compuestos de eter difenilico. Expired - Lifetime ES2145475T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9518705.0A GB9518705D0 (en) 1995-09-13 1995-09-13 Chemical process

Publications (1)

Publication Number Publication Date
ES2145475T3 true ES2145475T3 (es) 2000-07-01

Family

ID=10780649

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96926472T Expired - Lifetime ES2145475T3 (es) 1995-09-13 1996-08-06 Procedimiento para nitrar compuestos de eter difenilico.

Country Status (18)

Country Link
US (2) US20030191341A1 (es)
EP (1) EP0851852B1 (es)
JP (1) JP3886533B2 (es)
KR (1) KR100423572B1 (es)
CN (1) CN1078885C (es)
AR (1) AR003328A1 (es)
AT (1) ATE191450T1 (es)
AU (1) AU6663996A (es)
BR (1) BR9610294A (es)
CA (1) CA2229735C (es)
DE (1) DE69607633T2 (es)
ES (1) ES2145475T3 (es)
GB (1) GB9518705D0 (es)
HU (1) HU224865B1 (es)
IL (1) IL123616A (es)
TW (1) TW460447B (es)
WO (1) WO1997010199A1 (es)
ZA (1) ZA966931B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6028219A (en) * 1995-09-13 2000-02-22 Zeneca Limited Process for the nitration of diphenylethers
BR9712472A (pt) * 1996-11-01 1999-10-26 Zeneca Ltd Processos para a nitração de um c0mposto armomático ou heteroaromático com um agente de nitração, e, para a preparação de um composto
GB9930369D0 (en) 1999-12-22 2000-02-09 Zeneca Ltd Chemical process
DE102007010161A1 (de) 2007-03-02 2008-09-04 Saltigo Gmbh Verfahren zur Nitrierung substituierter Benzole in Gegenwart von Propionsäure
CN101486654B (zh) * 2009-03-04 2012-10-10 西安近代化学研究所 2-甲基-3-硝基苯乙酸合成方法
CN103787890A (zh) * 2014-02-28 2014-05-14 江苏省激素研究所股份有限公司 一种三氟羧草醚的合成方法
CN105820054A (zh) * 2016-04-26 2016-08-03 合肥工业大学 一种3-甲基-2-硝基苯甲酸甲酯的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031131A (en) * 1975-09-29 1977-06-21 Rohm And Haas Company Process for preparing phenoxybenzoic acids
US4400530A (en) * 1980-06-27 1983-08-23 Ppg Industries, Inc. Process for preparing substituted diphenyl ethers
US4594440A (en) * 1981-07-27 1986-06-10 Rhone:Pulenc, Inc. Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives
US4405805A (en) * 1981-07-27 1983-09-20 Rhone-Poulenc, Inc. Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives
US4424393A (en) * 1981-08-24 1984-01-03 Ppg Industries, Inc. Process of preparation of substituted diphenyl ethers
US4743703A (en) * 1981-10-19 1988-05-10 Rohm And Haas Company Herbicidal 4-fluoroalkyl-4'-nitrodiphenyl ethers
US4429146A (en) * 1982-04-15 1984-01-31 Gaf Corporation Substituted diphenyl ether herbicides and process for use
DE3480539D1 (en) * 1984-01-03 1989-12-28 Gen Electric Nitration reactions with acid anhydride promoters
DE69503936T2 (de) * 1994-02-17 1998-12-10 Zeneca Ltd., London Verfahren zur Phosgenierung in Gegenwart des Acetonitrils

Also Published As

Publication number Publication date
ATE191450T1 (de) 2000-04-15
DE69607633T2 (de) 2000-08-31
TW460447B (en) 2001-10-21
EP0851852A1 (en) 1998-07-08
GB9518705D0 (en) 1995-11-15
IL123616A (en) 2001-06-14
JP3886533B2 (ja) 2007-02-28
KR100423572B1 (ko) 2004-07-19
DE69607633D1 (de) 2000-05-11
ZA966931B (en) 1997-03-13
CN1196045A (zh) 1998-10-14
WO1997010199A1 (en) 1997-03-20
AU6663996A (en) 1997-04-01
HUP9802863A3 (en) 2000-08-28
HU224865B1 (en) 2006-03-28
KR19990044447A (ko) 1999-06-25
JPH11512420A (ja) 1999-10-26
US20030191341A1 (en) 2003-10-09
US20070055077A1 (en) 2007-03-08
AR003328A1 (es) 1998-07-08
CA2229735C (en) 2008-10-28
EP0851852B1 (en) 2000-04-05
IL123616A0 (en) 1998-10-30
HUP9802863A2 (hu) 1999-03-29
CN1078885C (zh) 2002-02-06
CA2229735A1 (en) 1997-03-20
BR9610294A (pt) 1999-03-16

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