DE69616452T2 - Verfahren zur Herstellung von Sulfonylharnstoffen - Google Patents

Verfahren zur Herstellung von Sulfonylharnstoffen

Info

Publication number
DE69616452T2
DE69616452T2 DE69616452T DE69616452T DE69616452T2 DE 69616452 T2 DE69616452 T2 DE 69616452T2 DE 69616452 T DE69616452 T DE 69616452T DE 69616452 T DE69616452 T DE 69616452T DE 69616452 T2 DE69616452 T2 DE 69616452T2
Authority
DE
Germany
Prior art keywords
sulfonylureas
preparation
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
Application number
DE69616452T
Other languages
English (en)
Other versions
DE69616452D1 (de
Inventor
George Chihshu Chiang
Kwaku Ofosu Temeng
Richard Frank Davis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69616452D1 publication Critical patent/DE69616452D1/de
Application granted granted Critical
Publication of DE69616452T2 publication Critical patent/DE69616452T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D521/00—Heterocyclic compounds containing unspecified hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE69616452T 1995-08-23 1996-08-01 Verfahren zur Herstellung von Sulfonylharnstoffen Expired - Lifetime DE69616452T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/518,435 US5550238A (en) 1995-08-23 1995-08-23 Process for preparing sulfonylureas

Publications (2)

Publication Number Publication Date
DE69616452D1 DE69616452D1 (de) 2001-12-06
DE69616452T2 true DE69616452T2 (de) 2002-06-13

Family

ID=24063917

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616452T Expired - Lifetime DE69616452T2 (de) 1995-08-23 1996-08-01 Verfahren zur Herstellung von Sulfonylharnstoffen

Country Status (3)

Country Link
US (1) US5550238A (de)
EP (1) EP0759431B1 (de)
DE (1) DE69616452T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218704B4 (de) 2002-04-26 2006-11-30 Bayer Cropscience Gmbh Halosulfonylbenzoesäurehalogenide, Verfahren zu deren Herstellung und deren Verwendung zur Herstellung von substituierten Phenylsulfonylharnstoffen
EP2052604A1 (de) 2007-10-24 2009-04-29 Bayer CropScience AG Salz des 2-lodo-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl] benzolsulfonamids,Verfahren zu deren Herstellung, sowie deren Verwendung als Herbizide und Pflanzenwachstumregulatoren
EP2110019A1 (de) 2008-04-19 2009-10-21 Bayer CropScience AG Herbizide Verbindungen auf Basis von N-Azinyl-N'-phenylsulfonylharnstoffen
CN102250028B (zh) * 2011-06-29 2013-04-24 江苏省农用激素工程技术研究中心有限公司 氟胺磺隆的制备方法
GB2537106B (en) * 2015-03-30 2018-02-14 Rotam Agrochem Int Co Ltd A novel form of rimsulfuron, a process for its preparation and use of the same
US10336714B2 (en) * 2015-10-29 2019-07-02 Rotam Agrochem International Co. Ltd. Process for preparing a novel crystalline form of metsulfuron-methyl and use of the same
US9629370B1 (en) * 2015-12-01 2017-04-25 Rotam Agrochem International Company Limited Synergistic herbicidal composition and use thereof
US9643936B1 (en) * 2015-12-01 2017-05-09 Rotam Agrochem International Company Limited Form of tribenuron-methyl, a process for its preparation and use of the same
US9617247B1 (en) * 2015-12-01 2017-04-11 Rotam Agrochem International Company Limited Form of halosulfuron-methyl, a process for its preparation and use of the same
US9668483B1 (en) * 2015-12-01 2017-06-06 Rotam Agrochem Inernational Company Limited Synergistic herbicidal composition and use thereof
US9661852B1 (en) * 2015-12-03 2017-05-30 Rotam Agrochem International Company Limited Synergistic herbicidal composition and use thereof
US9663501B1 (en) * 2015-12-03 2017-05-30 Rotam Agrochem International Company Limited Process for preparing a novel crystalline form of thifensulfuron-methyl and use of the same
US9661851B1 (en) * 2015-12-03 2017-05-30 Rotam Agrochem International Company Limited Synergistic herbicidal composition and use thereof
US9693558B2 (en) * 2015-12-03 2017-07-04 Rotam Agrochem International Company Limited Process for preparing a novel crystalline form of mesosulfuron-methyl and use of the same
RU2758839C1 (ru) * 2021-04-09 2021-11-02 Акционерное общество "Щелково Агрохим" Способ получения гербицида трифлусульфурон-метила
CN112979506B (zh) * 2021-05-18 2021-08-24 南京合创药业有限公司 一种2-氯磺酰基-3-甲基苯甲酸甲酯的合成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546179A (en) * 1983-11-23 1985-10-08 E. I. Du Pont De Nemours And Company Process for preparing sulfonylureas
US5157119A (en) * 1991-10-15 1992-10-20 E. I. Du Pont De Nemours And Company Process for preparing sulfonylureas
EP0537585B1 (de) * 1991-10-15 1997-08-20 E.I. Du Pont De Nemours And Company Verfahren zur Herstellung von Sulfonylharnstoffen
US5480993A (en) * 1993-03-05 1996-01-02 Lucky Ltd. Process for preparation of sulfonylurea derivatives and intermediates for the process and process for preparing the same
DE4343595A1 (de) * 1993-12-21 1995-06-22 Bayer Ag Verfahren zur Herstellung von Sulfonylaminocarbonyltriazolinonen

Also Published As

Publication number Publication date
EP0759431B1 (de) 2001-10-31
US5550238A (en) 1996-08-27
DE69616452D1 (de) 2001-12-06
EP0759431A1 (de) 1997-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition