ZA966932B - Chemical process - Google Patents

Chemical process

Info

Publication number
ZA966932B
ZA966932B ZA966932A ZA966932A ZA966932B ZA 966932 B ZA966932 B ZA 966932B ZA 966932 A ZA966932 A ZA 966932A ZA 966932 A ZA966932 A ZA 966932A ZA 966932 B ZA966932 B ZA 966932B
Authority
ZA
South Africa
Prior art keywords
chemical process
chemical
Prior art date
Application number
ZA966932A
Other languages
English (en)
Inventor
Brian David Gott
Stephen Martin Brown
Seyed Mehdi Tavana
Thomas Gray
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 ZA966932B publication Critical patent/ZA966932B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/42Separation; Purification; Stabilisation; Use of additives
    • C07C303/44Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; 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)
ZA966932A 1995-09-13 1996-08-15 Chemical process ZA966932B (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
ZA966932B true ZA966932B (en) 1997-03-13

Family

ID=10780648

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA966932A ZA966932B (en) 1995-09-13 1996-08-15 Chemical process

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
EP2178532A2 (en) * 2007-05-22 2010-04-28 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
EP0022610B1 (en) * 1979-06-22 1986-09-03 Rhone-Poulenc Agrochimie Process for preparing 2-nitro-5-(substituted-phenoxy) benzoic acids and salts thereof
US4405805A (en) * 1981-07-27 1983-09-20 Rhone-Poulenc, Inc. Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives
US4594440A (en) 1981-07-27 1986-06-10 Rhone:Pulenc, Inc. Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives
GB8628109D0 (en) 1986-11-25 1986-12-31 Ici Plc Chemical process
EP0668260B1 (en) * 1994-02-17 1998-08-12 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
US6342630B1 (en) 2002-01-29
IL123617A0 (en) 1998-10-30
HU225552B1 (en) 2007-03-28
HUP9802860A3 (en) 2000-03-28
WO1997010200A1 (en) 1997-03-20
EP0851853A1 (en) 1998-07-08
JPH11512421A (ja) 1999-10-26
AU6664096A (en) 1997-04-01
CA2230921C (en) 2008-10-28
KR19990044560A (ko) 1999-06-25
CN1094924C (zh) 2002-11-27
CN1200722A (zh) 1998-12-02
AR003327A1 (es) 1998-07-08
IL123617A (en) 2001-01-11
BR9610293A (pt) 1999-03-16
CA2230921A1 (en) 1997-03-20
TW336930B (en) 1998-07-21
HUP9802860A2 (hu) 1999-03-29
ID16173A (id) 1997-09-11
GB9518704D0 (en) 1995-11-15

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