ZA200306327B - Purification of 2-nitro-4-methylsulphonylbenzoic acid. - Google Patents

Purification of 2-nitro-4-methylsulphonylbenzoic acid.

Info

Publication number
ZA200306327B
ZA200306327B ZA200306327A ZA200306327A ZA200306327B ZA 200306327 B ZA200306327 B ZA 200306327B ZA 200306327 A ZA200306327 A ZA 200306327A ZA 200306327 A ZA200306327 A ZA 200306327A ZA 200306327 B ZA200306327 B ZA 200306327B
Authority
ZA
South Africa
Prior art keywords
nitro
purification
methylsulphonylbenzoic acid
methylsulphonylbenzoic
acid
Prior art date
Application number
ZA200306327A
Other languages
English (en)
Inventor
Kambiz Javdani
James Peter Muxworthy
Gilbert Rodriguez
Original Assignee
Syngenta 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23050721&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200306327(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Syngenta Ltd filed Critical Syngenta Ltd
Publication of ZA200306327B publication Critical patent/ZA200306327B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00—Preparation of sulfones; Preparation of sulfoxides
    • C07C315/06—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA200306327A 2001-03-26 2003-08-14 Purification of 2-nitro-4-methylsulphonylbenzoic acid. ZA200306327B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27506101P 2001-03-26 2001-03-26

Publications (1)

Publication Number Publication Date
ZA200306327B true ZA200306327B (en) 2004-09-03

Family

ID=23050721

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200306327A ZA200306327B (en) 2001-03-26 2003-08-14 Purification of 2-nitro-4-methylsulphonylbenzoic acid.

Country Status (24)

Country Link
US (1) US7285678B2 (es)
EP (1) EP1377544B2 (es)
JP (1) JP3911237B2 (es)
KR (1) KR100858546B1 (es)
CN (1) CN1250525C (es)
AR (1) AR033205A1 (es)
AU (1) AU2002249384B2 (es)
BR (1) BR0207414A (es)
CA (1) CA2434980C (es)
CZ (1) CZ303984B6 (es)
DK (1) DK1377544T4 (es)
ES (1) ES2488840T5 (es)
GT (1) GT200200060A (es)
HU (1) HU230861B1 (es)
IL (2) IL157176A0 (es)
MX (1) MXPA03008279A (es)
PL (1) PL363837A1 (es)
PT (1) PT1377544E (es)
RU (1) RU2287521C2 (es)
SK (1) SK11812003A3 (es)
TW (1) TWI224091B (es)
UA (1) UA79741C2 (es)
WO (1) WO2002076934A2 (es)
ZA (1) ZA200306327B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI348999B (en) 2003-10-02 2011-09-21 Syngenta Participations Ag Process
GB0323090D0 (en) * 2003-10-02 2003-11-05 Syngenta Participations Ag Novel process
GB0406894D0 (en) * 2004-03-26 2004-04-28 Syngenta Participations Ag Process
GB0419075D0 (en) * 2004-08-26 2004-09-29 Syngenta Participations Ag Process
DK1979310T3 (en) * 2006-01-18 2015-04-27 Syngenta Participations Ag PROCESS FOR THE CRYSTALLIZATION OF mesotrione
CN104059001B (zh) * 2013-03-18 2016-06-08 华中师范大学 一种邻硝基砜基苯甲酸的制备方法
WO2015062103A1 (zh) * 2013-11-04 2015-05-07 迈克斯(如东)化工有限公司 2-硝基-4-甲磺酰基苯甲酸的精制方法及其中间体
CN103910659B (zh) * 2013-11-04 2016-05-11 迈克斯(如东)化工有限公司 2-硝基-4-甲磺酰基苯甲酸的精制方法及其中间体
CN104829506B (zh) * 2015-04-09 2016-08-17 浙江嘉化能源化工股份有限公司 高纯2-硝基-4-甲砜基苯甲酸的工业化生产方法
GB2530838B (en) 2015-06-08 2020-01-22 Rotam Agrochem Int Co Ltd Process for purifying mesotrione
JP2017137243A (ja) * 2016-02-01 2017-08-10 エア・ウォーター株式会社 ２−ニトロ−４−メチルスルホニル安息香酸の製造方法
CN105669504A (zh) * 2016-03-07 2016-06-15 山东润博生物科技有限公司 一种2-硝基-4-甲砜基苯甲酸的制备方法
CN106699616A (zh) * 2016-11-17 2017-05-24 北京颖泰嘉和生物科技股份有限公司 一种新的2‑硝基‑4‑甲磺酰基苯甲酸的纯化方法
CN111302987A (zh) * 2018-12-12 2020-06-19 北京颖泰嘉和生物科技股份有限公司 2-硝基-4-甲磺酰基苯甲酸的精制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006158A (en) * 1984-12-20 1991-04-09 Ici Americas Inc. Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones
AU629580B2 (en) * 1988-12-07 1992-10-08 Zeneca Ag Products Inc. Preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acids and intermediates
US5079381A (en) † 1990-09-28 1992-01-07 Imperial Chemical Industries Plc Method for the preparation of 4-methylsulfonyl benzoic acid derivatives and intermediates
US5055605A (en) 1990-10-15 1991-10-08 Imperial Chemical Industries Plc Preparation of trisubstituted benzoic acid precursors
DE4235155A1 (de) * 1992-10-19 1994-04-21 Basf Ag Verfahren zur Herstellung von Methylsulfonylbenzoesäuren
US5591890A (en) † 1995-11-03 1997-01-07 E. I. Du Pont De Nemours And Company Process for producing ortho-nitro aromatic acids by oxidation of ortho-nitroalkylaromatic compounds
GB9725135D0 (en) * 1997-11-27 1998-01-28 Zeneca Ltd Chemical process

Also Published As

Publication number Publication date
AR033205A1 (es) 2003-12-10
HUP0302530A2 (hu) 2003-11-28
CZ20032548A3 (cs) 2004-02-18
WO2002076934A3 (en) 2003-02-20
RU2003131328A (ru) 2005-01-27
ES2488840T5 (es) 2017-12-11
HU230861B1 (hu) 2018-10-29
EP1377544B1 (en) 2014-06-18
CZ303984B6 (cs) 2013-07-31
KR20030086280A (ko) 2003-11-07
CN1500077A (zh) 2004-05-26
RU2287521C2 (ru) 2006-11-20
WO2002076934A2 (en) 2002-10-03
DK1377544T3 (da) 2014-08-11
PL363837A1 (en) 2004-11-29
HUP0302530A3 (en) 2005-11-28
BR0207414A (pt) 2004-08-10
AU2002249384B2 (en) 2007-06-07
TWI224091B (en) 2004-11-21
EP1377544A2 (en) 2004-01-07
EP1377544B2 (en) 2017-08-23
IL157176A (en) 2010-02-17
JP2004525145A (ja) 2004-08-19
CA2434980A1 (en) 2002-10-03
US7285678B2 (en) 2007-10-23
MXPA03008279A (es) 2003-12-12
SK11812003A3 (sk) 2004-04-06
CA2434980C (en) 2010-07-06
KR100858546B1 (ko) 2008-09-12
CN1250525C (zh) 2006-04-12
US20040171872A1 (en) 2004-09-02
GT200200060A (es) 2002-12-24
IL157176A0 (en) 2004-02-08
ES2488840T3 (es) 2014-08-29
UA79741C2 (en) 2007-07-25
DK1377544T4 (en) 2017-10-30
PT1377544E (pt) 2014-08-26
WO2002076934B1 (en) 2003-04-03
JP3911237B2 (ja) 2007-05-09

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