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BR9811048A - Processo para preparação de um composto - Google Patents

Processo para preparação de um composto

Info

Publication number
BR9811048A
BR9811048A BR9811048-9A BR9811048A BR9811048A BR 9811048 A BR9811048 A BR 9811048A BR 9811048 A BR9811048 A BR 9811048A BR 9811048 A BR9811048 A BR 9811048A
Authority
BR
Brazil
Prior art keywords
compound
general formula
optionally substituted
alkyl
hydrogen
Prior art date
Application number
BR9811048-9A
Other languages
English (en)
Inventor
John Heathcote Atherton
Stephen Martin Brown
James Peter Muxworthy
Martin Lennon
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
Publication of BR9811048A publication Critical patent/BR9811048A/pt

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
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE UM COMPOSTO". Um processo para a preparação de um composto de fórmula geral (I) em que R^ 1^ é hidrogênio ou alquila C~ 1~-C~ 6~, alquenila C~ 2~-C~ 6~, ou alquinila C~ 2~-C~ 6~, qualquer um dos quais pode ser opcionalmente substituído por um ou mais substituintes selecionados a partir de halogênio e OH; ou COOR^ 4^, COR^ 6^, CONR^ 4^R^ 5^ ou CONHSO~ 2~R^ 4^; R^ 4^ e R^ 5^ são cada qual independentemente hidrogênio ou alquila C~ 1~-C~ 4~ opcionalmente substituídos por um ou mais átomos de halogênio; R^ 6^ é um átomo de halogênio ou um grupo R^ 4^; R^ 2^ é hidrogênio ou halo; R^ 3^ é alquila C~ 1~-C~ 4~, alquenila C~ 2~-C~ 4~ ou alquinila C~ 2~-C~ 4~, qualquer um dos quais pode ser opcionalmente substituído por um ou mais átomos de halogênio; ou halo; o processo compreendendo reagir um composto de fórmula geral (II) em que R^ 1^, R^ 2^ e R^ 3^ são como definidos para a fórmula geral (I) com um agente de nitração compreendendo ácidos nítrico e sulfúrico na presença de um solvente orgânico e na presença de anidrido acético, a razão molar de anidrido acético para o composto de fórmula geral (II) sendo de cerca de 1:1 a 3:1, <MU>caracterizado<MV> pelo fato de que os ácidos são adicionados sequencialmente à mistura da reação.
BR9811048-9A 1997-07-28 1998-07-07 Processo para preparação de um composto BR9811048A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/901,545 US6028219A (en) 1995-09-13 1997-07-28 Process for the nitration of diphenylethers
PCT/GB1998/001991 WO1999005087A1 (en) 1997-07-28 1998-07-07 Nitration process for diphenyl ethers

Publications (1)

Publication Number Publication Date
BR9811048A true BR9811048A (pt) 2000-09-05

Family

ID=25414397

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9811048-9A BR9811048A (pt) 1997-07-28 1998-07-07 Processo para preparação de um composto

Country Status (18)

Country Link
US (1) US6028219A (pt)
EP (1) EP1000010B1 (pt)
JP (1) JP2001510818A (pt)
KR (1) KR100571093B1 (pt)
CN (1) CN1176899C (pt)
AR (1) AR015137A1 (pt)
AT (1) ATE224865T1 (pt)
AU (1) AU8346998A (pt)
BR (1) BR9811048A (pt)
CA (1) CA2291438C (pt)
DE (1) DE69808300T2 (pt)
DK (1) DK1000010T3 (pt)
ES (1) ES2180186T3 (pt)
HU (1) HUP0002525A3 (pt)
IL (1) IL133151A (pt)
TW (1) TW436472B (pt)
WO (1) WO1999005087A1 (pt)
ZA (1) ZA986637B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9930369D0 (en) * 1999-12-22 2000-02-09 Zeneca Ltd Chemical process
DE10196234B4 (de) * 2000-05-26 2008-04-30 Engelhard Lyon S.A. Verfahren zur Herstellung eines Verbundprodukts aus Kollagen für die Gewebebildung und seine Verwendung
DE102007010161A1 (de) * 2007-03-02 2008-09-04 Saltigo Gmbh Verfahren zur Nitrierung substituierter Benzole in Gegenwart von Propionsäure
CN102329255B (zh) * 2011-10-31 2013-11-13 江苏长青农化股份有限公司 定向硝化合成氟磺胺草醚工艺
CN103387524B (zh) * 2013-07-23 2015-04-15 山东科源化工有限公司 一种氟磺胺草醚的制备方法
CN112358400A (zh) * 2020-10-22 2021-02-12 烟台大学 一种微反应器中硝化合成三氟羧草醚的方法
CN115403488B (zh) * 2021-05-27 2024-07-19 江苏联化科技有限公司 氟磺胺草醚的制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248173B2 (pt) * 1973-02-20 1977-12-08
US4031131A (en) * 1975-09-29 1977-06-21 Rohm And Haas Company Process for preparing phenoxybenzoic acids
GB1478428A (en) * 1975-12-11 1977-06-29 Ishihara Sangyo Kaisha Kk Substituted diphenylethers and herbicidal composition thereof
DE2960664D1 (en) * 1978-01-19 1981-11-19 Ici Plc Diphenyl ether compounds useful as herbicides; methods of using them, processes for preparing them, and herbicidal compositions containing them
DE3071736D1 (en) * 1979-06-22 1986-10-09 Rhone Poulenc Agrochimie Process for preparing 2-nitro-5-(substituted-phenoxy) benzoic acids and salts thereof
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
DE3247669A1 (de) * 1982-12-23 1984-06-28 Basf Ag, 6700 Ludwigshafen Neue phenylglyoxylsaeurederivate, verfahren zu ihrer herstellung und ihre verwendung zur bekaempfung unerwuenschten pflanzenwuchses
DE3322817A1 (de) * 1983-06-24 1985-01-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von nitrierten diphenylethern
EP0147798B1 (en) * 1984-01-03 1989-11-23 General Electric Company Nitration reactions with acid anhydride promoters
HU190222B (en) * 1984-01-17 1986-08-28 Budapesti Vegyimuevek,Hu Fungicide comprising substituted phenoxy-benzaldehyde as active substance
HU193194B (en) * 1984-01-17 1987-08-28 Budapesti Vegyimuevek Fungicide compositions containing phenoxy-benzaldehyde derivatives as active substances and process for preparing the active substances
GB8628109D0 (en) * 1986-11-25 1986-12-31 Ici Plc Chemical process
HU200538B (en) * 1987-06-16 1990-07-28 Budapesti Vegyimuevek Herbicidal compositons with improves selectivity and process for producing the two active ingredients in one reaction step
PT101207A (pt) * 1993-02-26 1994-08-31 Inst Nac De Engenharia E Tecno Processo para a nitracao de compostos aromaticos em condicoes suaves e nao corrosivas
DE69503936T2 (de) * 1994-02-17 1998-12-10 Zeneca Ltd., London Verfahren zur Phosgenierung in Gegenwart des Acetonitrils
GB9518705D0 (en) * 1995-09-13 1995-11-15 Zeneca Ltd Chemical process
DK0937015T3 (da) * 1996-11-01 2001-11-19 Syngenta Ltd Nitreringsfremgangsmåde

Also Published As

Publication number Publication date
IL133151A (en) 2002-11-10
TW436472B (en) 2001-05-28
ES2180186T3 (es) 2003-02-01
KR20010022308A (ko) 2001-03-15
EP1000010A1 (en) 2000-05-17
AU8346998A (en) 1999-02-16
DK1000010T3 (da) 2003-02-03
CA2291438C (en) 2007-10-16
CN1176899C (zh) 2004-11-24
AR015137A1 (es) 2001-04-18
HUP0002525A2 (hu) 2000-11-28
ATE224865T1 (de) 2002-10-15
US6028219A (en) 2000-02-22
EP1000010B1 (en) 2002-09-25
DE69808300D1 (de) 2002-10-31
JP2001510818A (ja) 2001-08-07
IL133151A0 (en) 2001-03-19
WO1999005087A1 (en) 1999-02-04
CN1266422A (zh) 2000-09-13
DE69808300T2 (de) 2003-05-15
KR100571093B1 (ko) 2006-04-13
ZA986637B (en) 1999-01-28
CA2291438A1 (en) 1999-02-04
HUP0002525A3 (en) 2001-02-28

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08G Application fees: restoration [chapter 8.7 patent gazette]
B25G Requested change of headquarter approved
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PRESENTE PEDIDO DE PATENTE DE ACORDO COM ART. 8O DA LPI.

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.