TW336930B - A process for the purification of 4-nitrodiphenyl ether compounds - Google Patents

A process for the purification of 4-nitrodiphenyl ether compounds

Info

Publication number
TW336930B
TW336930B TW085111244A TW85111244A TW336930B TW 336930 B TW336930 B TW 336930B TW 085111244 A TW085111244 A TW 085111244A TW 85111244 A TW85111244 A TW 85111244A TW 336930 B TW336930 B TW 336930B
Authority
TW
Taiwan
Prior art keywords
compound
general formula
purification
alkyl
crystallization
Prior art date
Application number
TW085111244A
Other languages
English (en)
Inventor
David Gott Brian
Mehdi Tavana Seyed
Martin Brown Stephen
Gray Thomas
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 TW336930B publication Critical patent/TW336930B/zh

Links

Classifications

    • 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
    • C07C303/42—Separation; Purification; Stabilisation; Use of additives
    • C07C303/44—Separation; Purification
    • 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
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cephalosporin Compounds (AREA)
TW085111244A 1995-09-13 1996-09-14 A process for the purification of 4-nitrodiphenyl ether compounds TW336930B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9518704.3A GB9518704D0 (en) 1995-09-13 1995-09-13 Chemical process

Publications (1)

Publication Number Publication Date
TW336930B true TW336930B (en) 1998-07-21

Family

ID=10780648

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085111244A TW336930B (en) 1995-09-13 1996-09-14 A process for the purification of 4-nitrodiphenyl ether compounds

Country Status (16)

Country Link
US (1) US6342630B1 (zh)
EP (1) EP0851853A1 (zh)
JP (1) JPH11512421A (zh)
KR (1) KR19990044560A (zh)
CN (1) CN1094924C (zh)
AR (1) AR003327A1 (zh)
AU (1) AU6664096A (zh)
BR (1) BR9610293A (zh)
CA (1) CA2230921C (zh)
GB (1) GB9518704D0 (zh)
HU (1) HU225552B1 (zh)
ID (1) ID16173A (zh)
IL (1) IL123617A (zh)
TW (1) TW336930B (zh)
WO (1) WO1997010200A1 (zh)
ZA (1) ZA966932B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910604A (en) * 1995-09-13 1999-06-08 Zeneca Limited Purification process
US7324635B2 (en) 2000-05-04 2008-01-29 Telemaze Llc Branch calling and caller ID based call routing telephone features
AU2008287239A1 (en) * 2007-05-22 2009-02-19 Wisconsin Alumni Research Foundation Anti-bacterial drug targeting of genome maintenance interfaces
JP5197439B2 (ja) * 2009-02-27 2013-05-15 エア・ウォーター株式会社 ビス（３−ニトロ−４−ヒドロキシフェニル）類の製造方法
JP5936511B2 (ja) * 2012-10-09 2016-06-22 エア・ウォーター株式会社 ３，３’−ジニトロ−４，４’−ジヒドロキシジフェニルエーテルの精製方法および３，３’−ジニトロ−４，４’−ジヒドロキシジフェニルエーテルの製造方法

Family Cites Families (8)

* 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
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
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
GB8628109D0 (en) 1986-11-25 1986-12-31 Ici Plc Chemical process
SI0668260T1 (en) * 1994-02-17 1998-10-31 Zeneca Limited Process for phosgenation in the presence of acetonitrile
US5446197A (en) * 1994-10-04 1995-08-29 Basf Corporation Method of purifying acifluorfen

Also Published As

Publication number Publication date
WO1997010200A1 (en) 1997-03-20
AR003327A1 (es) 1998-07-08
CN1200722A (zh) 1998-12-02
HUP9802860A3 (en) 2000-03-28
CA2230921A1 (en) 1997-03-20
AU6664096A (en) 1997-04-01
GB9518704D0 (en) 1995-11-15
KR19990044560A (ko) 1999-06-25
IL123617A (en) 2001-01-11
US6342630B1 (en) 2002-01-29
BR9610293A (pt) 1999-03-16
ID16173A (id) 1997-09-11
HUP9802860A2 (hu) 1999-03-29
HU225552B1 (en) 2007-03-28
EP0851853A1 (en) 1998-07-08
ZA966932B (en) 1997-03-13
JPH11512421A (ja) 1999-10-26
CA2230921C (en) 2008-10-28
IL123617A0 (en) 1998-10-30
CN1094924C (zh) 2002-11-27

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Legal Events

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