CN1213990C - 取代的对硝基二苯基醚类的纯化方法 - Google Patents

取代的对硝基二苯基醚类的纯化方法 Download PDF

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Publication number
CN1213990C
CN1213990C CNB988031132A CN98803113A CN1213990C CN 1213990 C CN1213990 C CN 1213990C CN B988031132 A CNB988031132 A CN B988031132A CN 98803113 A CN98803113 A CN 98803113A CN 1213990 C CN1213990 C CN 1213990C
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CN
China
Prior art keywords
solution
crystallization
mixture
chloro
tolyloxy
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
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CNB988031132A
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English (en)
Chinese (zh)
Other versions
CN1249741A (zh
Inventor
S·M·布朗
B·D·戈特
T·格雷
S·M·塔瓦纳
L·A·纳迪
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SINZETA Ltd
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SINZETA Ltd
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Publication of CN1249741A publication Critical patent/CN1249741A/zh
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Publication of CN1213990C publication Critical patent/CN1213990C/zh
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    • 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)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Cephalosporin Compounds (AREA)
CNB988031132A 1997-03-13 1998-02-24 取代的对硝基二苯基醚类的纯化方法 Expired - Lifetime CN1213990C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/816,930 1997-03-13
US08/816,930 US5910604A (en) 1995-09-13 1997-03-13 Purification process

Publications (2)

Publication Number Publication Date
CN1249741A CN1249741A (zh) 2000-04-05
CN1213990C true CN1213990C (zh) 2005-08-10

Family

ID=25221965

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988031132A Expired - Lifetime CN1213990C (zh) 1997-03-13 1998-02-24 取代的对硝基二苯基醚类的纯化方法

Country Status (22)

Country Link
US (1) US5910604A (enExample)
EP (1) EP0971875B1 (enExample)
JP (1) JP4318755B2 (enExample)
KR (1) KR100561201B1 (enExample)
CN (1) CN1213990C (enExample)
AR (1) AR012060A1 (enExample)
AT (1) ATE228496T1 (enExample)
AU (1) AU6302698A (enExample)
BR (1) BR9807639B1 (enExample)
CA (1) CA2281623C (enExample)
DE (1) DE69809725T2 (enExample)
DK (1) DK0971875T3 (enExample)
ES (1) ES2187931T3 (enExample)
GT (1) GT199800048A (enExample)
HU (1) HUP0000770A2 (enExample)
ID (1) ID20049A (enExample)
IL (1) IL131765A (enExample)
IN (1) IN187909B (enExample)
PY (1) PY980030A (enExample)
TW (1) TW520352B (enExample)
WO (1) WO1998040347A1 (enExample)
ZA (1) ZA981983B (enExample)

Families Citing this family (2)

* 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
CN115093041B (zh) * 2022-02-22 2024-02-13 杨自林 生产5-氨基-2-硝基三氟甲苯产生的工业废水的资源化处理方法

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
EP0003416B1 (en) * 1978-01-19 1981-08-26 Imperial Chemical Industries 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
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
GB9518704D0 (en) * 1995-09-13 1995-11-15 Zeneca Ltd Chemical process

Also Published As

Publication number Publication date
DE69809725T2 (de) 2003-04-24
JP4318755B2 (ja) 2009-08-26
DK0971875T3 (da) 2003-03-24
EP0971875B1 (en) 2002-11-27
US5910604A (en) 1999-06-08
IL131765A (en) 2003-04-10
ID20049A (id) 1998-09-17
CN1249741A (zh) 2000-04-05
WO1998040347A1 (en) 1998-09-17
PY980030A (es) 2001-12-03
AU6302698A (en) 1998-09-29
JP2001514647A (ja) 2001-09-11
TW520352B (en) 2003-02-11
BR9807639A (pt) 2000-02-22
CA2281623A1 (en) 1998-09-17
KR100561201B1 (ko) 2006-03-15
DE69809725D1 (de) 2003-01-09
EP0971875A1 (en) 2000-01-19
CA2281623C (en) 2007-03-27
AR012060A1 (es) 2000-09-27
ATE228496T1 (de) 2002-12-15
IN187909B (enExample) 2002-07-20
ES2187931T3 (es) 2003-06-16
IL131765A0 (en) 2001-03-19
ZA981983B (en) 1998-09-14
GT199800048A (es) 1999-09-03
HUP0000770A2 (en) 2000-07-28
KR20000076175A (ko) 2000-12-26
BR9807639B1 (pt) 2009-12-01

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Granted publication date: 20050810