DK1206453T3 - Fremgangsmåde til fremstilling af 3,5-dichlorpyridin - Google Patents

Fremgangsmåde til fremstilling af 3,5-dichlorpyridin

Info

Publication number
DK1206453T3
DK1206453T3 DK00942301T DK00942301T DK1206453T3 DK 1206453 T3 DK1206453 T3 DK 1206453T3 DK 00942301 T DK00942301 T DK 00942301T DK 00942301 T DK00942301 T DK 00942301T DK 1206453 T3 DK1206453 T3 DK 1206453T3
Authority
DK
Denmark
Prior art keywords
dichloropyridine
preparation
pentachloropyridine
beginning
reacting
Prior art date
Application number
DK00942301T
Other languages
English (en)
Inventor
Stephen Martin Zeneca Hu Brown
Alfred Glyn Williams
Martin Charles Bowden
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
Application filed by Syngenta Ltd filed Critical Syngenta Ltd
Application granted granted Critical
Publication of DK1206453T3 publication Critical patent/DK1206453T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DK00942301T 1999-07-16 2000-07-07 Fremgangsmåde til fremstilling af 3,5-dichlorpyridin DK1206453T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9916809.8A GB9916809D0 (en) 1999-07-16 1999-07-16 Chemical process
PCT/GB2000/002613 WO2001005766A2 (en) 1999-07-16 2000-07-07 Process for the preparation of 3,5-dichloropyridine

Publications (1)

Publication Number Publication Date
DK1206453T3 true DK1206453T3 (da) 2003-07-28

Family

ID=10857440

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00942301T DK1206453T3 (da) 1999-07-16 2000-07-07 Fremgangsmåde til fremstilling af 3,5-dichlorpyridin

Country Status (8)

Country Link
US (1) US6639079B1 (da)
EP (2) EP1206453B1 (da)
AT (2) ATE269309T1 (da)
AU (1) AU5699500A (da)
DE (2) DE60011682T2 (da)
DK (1) DK1206453T3 (da)
GB (1) GB9916809D0 (da)
WO (1) WO2001005766A2 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111574439A (zh) * 2020-05-13 2020-08-25 山东汇盟生物科技有限公司 一种制备2-氨基-3氯-5-三氟甲基吡啶的方法
CN111909080B (zh) * 2020-09-04 2022-10-25 利尔化学股份有限公司 一种2,3,5-三氯吡啶的制备方法
CN112441966A (zh) * 2020-12-09 2021-03-05 山东省农药科学研究院 一种由2,3,6-三氯-5-三氟甲基吡啶生产2-氯-3-三氟甲基吡啶的方法
CN115141140A (zh) * 2022-07-06 2022-10-04 山东昆达生物科技有限公司 一种3,5-二氯吡啶的合成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993654A (en) * 1974-05-16 1976-11-23 The Dow Chemical Company Preparation of tetrachloropyridine
US4258194A (en) * 1979-09-10 1981-03-24 Ciba-Geigy Corporation Process for producing 2,3,5-trichloropyridine
US4804764A (en) * 1986-09-19 1989-02-14 The Dow Chemical Company Process for producing 2,3,5,6-tetrachloropyridine
JPH0816101B2 (ja) * 1987-11-04 1996-02-21 ダイセル化学工業株式会社 ３，５−ジクロロピリジンの製造法
AU4996299A (en) * 1998-07-15 2000-02-07 Reilly Industries, Inc. Dechlorination of pyridines in acidic, zinc-containing mediums

Also Published As

Publication number Publication date
EP1285913B1 (en) 2004-06-16
DE60001965D1 (de) 2003-05-08
EP1206453A2 (en) 2002-05-22
DE60001965T2 (de) 2004-01-29
DE60011682D1 (de) 2004-07-22
GB9916809D0 (en) 1999-09-22
US6639079B1 (en) 2003-10-28
WO2001005766A3 (en) 2001-08-02
WO2001005766A2 (en) 2001-01-25
DE60011682T2 (de) 2005-09-08
ATE236125T1 (de) 2003-04-15
EP1206453B1 (en) 2003-04-02
AU5699500A (en) 2001-02-05
EP1285913A1 (en) 2003-02-26
ATE269309T1 (de) 2004-07-15

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