CS248745B2 - Production method of the 3-chlorine-2-fluor-5-/trifluormethyl/pyridine - Google Patents

Production method of the 3-chlorine-2-fluor-5-/trifluormethyl/pyridine Download PDF

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Publication number
CS248745B2
CS248745B2 CS854063A CS406385A CS248745B2 CS 248745 B2 CS248745 B2 CS 248745B2 CS 854063 A CS854063 A CS 854063A CS 406385 A CS406385 A CS 406385A CS 248745 B2 CS248745 B2 CS 248745B2
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CS
Czechoslovakia
Prior art keywords
hydrogen fluoride
pyridine
pressure
reaction
kpa
Prior art date
Application number
CS854063A
Other languages
Czech (cs)
English (en)
Inventor
Janica E Gatlin
Dort Mark A Van
Curtis L Volkmann
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of CS248745B2 publication Critical patent/CS248745B2/cs

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/60Heterocyclic 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
    • C07D213/61Halogen atoms or nitro radicals

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
CS854063A 1984-06-08 1985-06-06 Production method of the 3-chlorine-2-fluor-5-/trifluormethyl/pyridine CS248745B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/618,806 US4547577A (en) 1984-06-08 1984-06-08 Preparation of (trifluoromethyl)pyridines

Publications (1)

Publication Number Publication Date
CS248745B2 true CS248745B2 (en) 1987-02-12

Family

ID=24479217

Family Applications (1)

Application Number Title Priority Date Filing Date
CS854063A CS248745B2 (en) 1984-06-08 1985-06-06 Production method of the 3-chlorine-2-fluor-5-/trifluormethyl/pyridine

Country Status (11)

Country Link
US (1) US4547577A (pt)
EP (1) EP0164104B1 (pt)
JP (1) JPH0625111B2 (pt)
AU (1) AU570801B2 (pt)
BR (1) BR8502718A (pt)
CA (1) CA1199331A (pt)
CS (1) CS248745B2 (pt)
DE (1) DE3585702D1 (pt)
DK (1) DK159422C (pt)
HU (1) HU199122B (pt)
SU (1) SU1473711A3 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3264741D1 (en) * 1981-04-27 1985-08-22 Ici Plc Process for the preparation of fluoromethyl pyridines and certain novel products obtained therefrom
US4782161A (en) * 1987-10-21 1988-11-01 The Dow Chemical Company Preparation of fluoropyridines
US4999432A (en) * 1989-08-28 1991-03-12 Dowelanco Fluorination with hydrogen fluoride
CN107954924A (zh) * 2016-10-18 2018-04-24 内蒙古佳瑞米精细化工有限公司 一种2-氟-3-氯-5-三氟甲基吡啶的制备方法
CN107935920A (zh) * 2017-11-30 2018-04-20 山东汇盟生物科技有限公司 2‑氟‑3‑氯‑5‑三氟甲基吡啶的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039987A (en) * 1964-03-17 1966-08-24 Pennwalt Corp Fluoropyridines
GB1272475A (en) * 1969-05-30 1972-04-26 Ici Ltd Manufacture of fluoropyridines
EP0107866B1 (en) * 1977-08-12 1988-03-30 Imperial Chemical Industries Plc Trihalomethylpyridine compounds
JPS5461183A (en) * 1977-10-21 1979-05-17 Ishihara Sangyo Kaisha Ltd 2-substituted-5-trifluoromethyl pyridine compounds
JPS5585564A (en) * 1978-12-22 1980-06-27 Ishihara Sangyo Kaisha Ltd Preparation of beta-trifluoromethylpyridine
JPS55158979A (en) * 1979-05-29 1980-12-10 Seiko Epson Corp Ink jet recording head
ATE24491T1 (de) * 1981-09-03 1987-01-15 Ici Plc Chlor-trifluoromethyl-pyridine.
US4567273A (en) * 1982-04-16 1986-01-28 The Dow Chemical Company Liquid phase halogen exchange of (trichloromethyl) pyridines to (trifluoromethyl)pyridines
US4493932A (en) * 1982-09-13 1985-01-15 The Dow Chemical Company Chlorine exchange for fluorine in 2-fluoro-pyridine compounds
IL70307A (en) * 1982-11-26 1987-02-27 Dow Chemical Co Preparation of(trifluoromethyl)pyridines

Also Published As

Publication number Publication date
US4547577A (en) 1985-10-15
AU4271285A (en) 1985-12-12
DK255485A (da) 1985-12-09
EP0164104A3 (en) 1988-08-03
EP0164104B1 (en) 1992-03-25
JPH0625111B2 (ja) 1994-04-06
DK255485D0 (da) 1985-06-06
BR8502718A (pt) 1986-02-12
DE3585702D1 (de) 1992-04-30
DK159422C (da) 1991-03-18
CA1199331A (en) 1986-01-14
HUT38316A (en) 1986-05-28
AU570801B2 (en) 1988-03-24
HU199122B (en) 1990-01-29
SU1473711A3 (ru) 1989-04-15
JPS611662A (ja) 1986-01-07
DK159422B (da) 1990-10-15
EP0164104A2 (en) 1985-12-11

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