DK160490C - 2,3-difluor-5-(trifluormethyl)-pyridin og fremgangsmaade til fremstilling heraf - Google Patents

2,3-difluor-5-(trifluormethyl)-pyridin og fremgangsmaade til fremstilling heraf

Info

Publication number
DK160490C
DK160490C DK281283A DK281283A DK160490C DK 160490 C DK160490 C DK 160490C DK 281283 A DK281283 A DK 281283A DK 281283 A DK281283 A DK 281283A DK 160490 C DK160490 C DK 160490C
Authority
DK
Denmark
Prior art keywords
difluor
trifluoromethyl
pyridine
preparing
Prior art date
Application number
DK281283A
Other languages
English (en)
Other versions
DK281283D0 (da
DK281283A (da
DK160490B (da
Inventor
John Arnold Werner
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 DK281283D0 publication Critical patent/DK281283D0/da
Publication of DK281283A publication Critical patent/DK281283A/da
Publication of DK160490B publication Critical patent/DK160490B/da
Application granted granted Critical
Publication of DK160490C publication Critical patent/DK160490C/da

Links

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
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/64One oxygen atom attached in position 2 or 6
    • C07D213/6432-Phenoxypyridines; Derivatives thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DK281283A 1982-07-23 1983-06-17 2,3-difluor-5-(trifluormethyl)-pyridin og fremgangsmaade til fremstilling heraf DK160490C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/401,057 US4480102A (en) 1982-07-23 1982-07-23 2,3-Difluoro-5-(trifluoromethyl)pyridine and methods of making and using the same
US40105782 1982-07-23

Publications (4)

Publication Number Publication Date
DK281283D0 DK281283D0 (da) 1983-06-17
DK281283A DK281283A (da) 1984-01-24
DK160490B DK160490B (da) 1991-03-18
DK160490C true DK160490C (da) 1991-08-26

Family

ID=23586092

Family Applications (1)

Application Number Title Priority Date Filing Date
DK281283A DK160490C (da) 1982-07-23 1983-06-17 2,3-difluor-5-(trifluormethyl)-pyridin og fremgangsmaade til fremstilling heraf

Country Status (10)

Country Link
US (1) US4480102A (da)
EP (1) EP0104715B1 (da)
JP (2) JPS5920269A (da)
CA (1) CA1202308A (da)
DE (1) DE3378210D1 (da)
DK (1) DK160490C (da)
HU (1) HU188479B (da)
IL (1) IL68824A0 (da)
TR (1) TR21787A (da)
ZA (1) ZA834460B (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822887A (en) * 1983-12-23 1989-04-18 The Dow Chemical Company Preparation of difluoropyridine compounds
US5073637A (en) * 1983-12-23 1991-12-17 The Dow Chemical Preparation of 2,3-difluoro-5-(trifluoromethyl)pyridine
CA1292746C (en) * 1983-12-23 1991-12-03 Charles A. Wilson Preparation of difluoropyridine compounds
US4973698A (en) * 1983-12-23 1990-11-27 The Dow Chemical Company Preparation of 2,3-difluoro-5-(trifluoromethyl)pyridine
EP0178260B1 (de) * 1984-10-10 1990-05-16 Ciba-Geigy Ag Verfahren zur Herstellung von fluorierten Pyridin-Derivaten
US4563530A (en) * 1984-10-29 1986-01-07 The Dow Chemical Company Preparation of fluoropyridines
JPS61177159A (ja) * 1985-01-31 1986-08-08 Mitsumi Electric Co Ltd スイツチングレギユレ−タ
DE3678485D1 (de) * 1985-04-01 1991-05-08 Ciba Geigy Ag 3-fluorpyridyl-2-oxy-phenoxy-derivate mit herbizider wirkung.
US4999432A (en) * 1989-08-28 1991-03-12 Dowelanco Fluorination with hydrogen fluoride
DE59309922D1 (de) * 1992-02-20 2000-02-17 Clariant Gmbh Verfahren zur Herstellung von substituierten 2,3-Difluorpyridinen
EP0780381A1 (en) 1995-12-21 1997-06-25 Sumitomo Chemical Company Limited Triazole derivatives and uses thereof
EP2131843B1 (en) 2007-03-05 2011-11-09 F. Hoffmann-La Roche AG Process for the synthesis of glyt-1 inhibitors
US8785650B2 (en) 2012-03-30 2014-07-22 Dow Agrosciences, Llc. Methods for preparing 3-substituted-6-trifluoromethyl pyridines and methods for using 6-trichloromethyl halogenated pyridines
CN115286569B (zh) * 2022-08-29 2023-06-27 南昌大学 通过c-h键官能团化合成氟代氮杂芳烃化合物的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705170A (en) * 1969-03-17 1972-12-05 Dow Chemical Co Polyhalo-(trifluoromethyl)pyridyloxy amides and hydrazides
US3711486A (en) * 1969-03-17 1973-01-16 Dow Chemical Co Substituted(trifluoromethyl)pyridines
JPS54119476A (en) * 1978-03-10 1979-09-17 Ishihara Sangyo Kaisha Ltd 4-(5-fluoromethyl-2-pyridyloxy)phenoxyalkanecarbocyic acid derivatives and their preparation
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
US4279913A (en) * 1978-01-04 1981-07-21 Merck & Co., Inc. Polysubstituted-2-(3-loweralkylamino-2-R1 O-propoxy)pyridines
JPS54106476A (en) * 1978-01-04 1979-08-21 Merck & Co Inc Multiisubstituted 22*33lower alkylaminoo22 r100propoxy*pyridine
WO1979000624A1 (en) * 1978-02-15 1979-09-06 Ici Ltd Herbicidal derivatives of 2-(4(2-pyridyloxy)phenoxy)propane,processes for preparing them,and herbicidal compositions containing them
US4326880A (en) * 1979-08-14 1982-04-27 Ciba-Geigy Corporation Derivatives of 5-(pyridyl-2-oxy)-2-nitrobenzoic acid, and herbicidal compositions containing them, and herbicidal methods for using same
PH17279A (en) * 1980-10-15 1984-07-06 Ciba Geigy Novel alpha-(pyridyl-2-oxy-phenoxy)-propionic acid derivatives and their use as herbicides and/or regulators of plant growth
IL68822A (en) * 1982-06-18 1990-07-12 Dow Chemical Co Pyridyl(oxy/thio)phenoxy compounds,herbicidal compositions and methods of using them

Also Published As

Publication number Publication date
TR21787A (tr) 1985-07-15
JPH0446271B2 (da) 1992-07-29
IL68824A0 (en) 1983-09-30
JPH0565272A (ja) 1993-03-19
JPS5920269A (ja) 1984-02-01
JPH0761997B2 (ja) 1995-07-05
US4480102A (en) 1984-10-30
ZA834460B (en) 1985-02-27
DK281283D0 (da) 1983-06-17
EP0104715A2 (en) 1984-04-04
DK281283A (da) 1984-01-24
HU188479B (en) 1986-04-28
DE3378210D1 (en) 1988-11-17
DK160490B (da) 1991-03-18
EP0104715B1 (en) 1988-10-12
EP0104715A3 (en) 1984-12-27
CA1202308A (en) 1986-03-25

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