ZA966931B - Chemical process - Google Patents

Chemical process

Info

Publication number
ZA966931B
ZA966931B ZA966931A ZA966931A ZA966931B ZA 966931 B ZA966931 B ZA 966931B ZA 966931 A ZA966931 A ZA 966931A ZA 966931 A ZA966931 A ZA 966931A ZA 966931 B ZA966931 B ZA 966931B
Authority
ZA
South Africa
Prior art keywords
chemical process
chemical
Prior art date
Application number
ZA966931A
Other languages
English (en)
Inventor
James Peter Muxworthy
Stephen Martin Brown
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 ZA966931B publication Critical patent/ZA966931B/xx

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)
ZA966931A 1995-09-13 1996-08-15 Chemical process ZA966931B (en)

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
ZA966931B true ZA966931B (en) 1997-03-13

Family

ID=10780649

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA966931A ZA966931B (en) 1995-09-13 1996-08-15 Chemical process

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
ATE206102T1 (de) * 1996-11-01 2001-10-15 Syngenta Ltd Nitrierungsverfahren
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
EP0147798B1 (en) * 1984-01-03 1989-11-23 General Electric Company Nitration reactions with acid anhydride promoters
DK0668260T3 (da) * 1994-02-17 1999-05-10 Zeneca Ltd Fremgangsmåde til phosgenering i nærværelse af acetonitril

Also Published As

Publication number Publication date
US20030191341A1 (en) 2003-10-09
ES2145475T3 (es) 2000-07-01
CA2229735A1 (en) 1997-03-20
IL123616A (en) 2001-06-14
GB9518705D0 (en) 1995-11-15
IL123616A0 (en) 1998-10-30
HUP9802863A2 (hu) 1999-03-29
DE69607633D1 (de) 2000-05-11
HU224865B1 (en) 2006-03-28
CA2229735C (en) 2008-10-28
KR100423572B1 (ko) 2004-07-19
CN1196045A (zh) 1998-10-14
TW460447B (en) 2001-10-21
AR003328A1 (es) 1998-07-08
JP3886533B2 (ja) 2007-02-28
BR9610294A (pt) 1999-03-16
US20070055077A1 (en) 2007-03-08
HUP9802863A3 (en) 2000-08-28
AU6663996A (en) 1997-04-01
EP0851852B1 (en) 2000-04-05
ATE191450T1 (de) 2000-04-15
CN1078885C (zh) 2002-02-06
DE69607633T2 (de) 2000-08-31
EP0851852A1 (en) 1998-07-08
WO1997010199A1 (en) 1997-03-20
KR19990044447A (ko) 1999-06-25
JPH11512420A (ja) 1999-10-26

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