DK160489C - Fremgangsmaade til fremstilling af 2,3-difluorpyridinforbindelser - Google Patents

Fremgangsmaade til fremstilling af 2,3-difluorpyridinforbindelser

Info

Publication number
DK160489C
DK160489C DK624184A DK624184A DK160489C DK 160489 C DK160489 C DK 160489C DK 624184 A DK624184 A DK 624184A DK 624184 A DK624184 A DK 624184A DK 160489 C DK160489 C DK 160489C
Authority
DK
Denmark
Prior art keywords
difluoropyrides
preparing
compounds
procedure
difluoropyrides compounds
Prior art date
Application number
DK624184A
Other languages
Danish (da)
English (en)
Other versions
DK624184D0 (da
DK160489B (da
DK624184A (da
Inventor
John C Little
Charles A Wilson
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 DK624184D0 publication Critical patent/DK624184D0/da
Publication of DK624184A publication Critical patent/DK624184A/da
Publication of DK160489B publication Critical patent/DK160489B/da
Application granted granted Critical
Publication of DK160489C publication Critical patent/DK160489C/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
    • C07D213/61Halogen atoms or nitro radicals
    • 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
    • C07D213/24Heterocyclic 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 substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/26Radicals substituted by halogen atoms or nitro radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
DK624184A 1983-12-23 1984-12-21 Fremgangsmaade til fremstilling af 2,3-difluorpyridinforbindelser DK160489C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US56480083A 1983-12-23 1983-12-23
US56480083 1983-12-23
US66558884A 1984-10-29 1984-10-29
US66558884 1984-10-29

Publications (4)

Publication Number Publication Date
DK624184D0 DK624184D0 (da) 1984-12-21
DK624184A DK624184A (da) 1985-06-24
DK160489B DK160489B (da) 1991-03-18
DK160489C true DK160489C (da) 1991-09-16

Family

ID=27073665

Family Applications (1)

Application Number Title Priority Date Filing Date
DK624184A DK160489C (da) 1983-12-23 1984-12-21 Fremgangsmaade til fremstilling af 2,3-difluorpyridinforbindelser

Country Status (14)

Country Link
EP (1) EP0146924B1 (fr)
JP (1) JPS60156672A (fr)
KR (1) KR900004039B1 (fr)
AU (1) AU566757B2 (fr)
CA (1) CA1292746C (fr)
DE (1) DE3478598D1 (fr)
DK (1) DK160489C (fr)
ES (1) ES538891A0 (fr)
HU (1) HU199121B (fr)
IL (1) IL73807A (fr)
PL (1) PL251146A1 (fr)
RO (1) RO90047A (fr)
SU (1) SU1376942A3 (fr)
TR (1) TR22146A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746744A (en) * 1986-10-22 1988-05-24 The Dow Chemical Company Method of preparation of 3,5-dichloro-2,4,6-trifluoropyridine
EP0556737B1 (fr) * 1992-02-20 2000-01-12 Clariant GmbH Procédé pour la préparation de 2,3-difluoropyridines substituées
US5650517A (en) * 1994-11-01 1997-07-22 Ciba-Geigy Corporation Process for the preparation of 2,3-difluoro-5-halopyridines
DE19745212A1 (de) * 1997-10-13 1999-04-15 Clariant Gmbh Verfahren zur Herstellung von fluorierten aromatischen Verbindungen
JP5589778B2 (ja) 2010-11-05 2014-09-17 日立金属株式会社 差動信号伝送用ケーブルと回路基板の接続構造及び接続方法
BR102014028162A2 (pt) 2013-11-12 2015-09-08 Dow Agrosciences Llc processo para fluoração de compostos
BR102014028164A2 (pt) 2013-11-12 2015-09-08 Dow Agrosciences Llc processo para fluoração de compostos
TW201609651A (zh) 2013-11-12 2016-03-16 陶氏農業科學公司 用於氟化化合物之過程(一)
TWI726900B (zh) 2015-08-04 2021-05-11 美商陶氏農業科學公司 用於氟化化合物之過程
WO2023241960A1 (fr) * 2022-06-15 2023-12-21 Basf Se Procédé de chloration photolytique de 3-halopyridine avec du chlore moléculaire
EP4311828A1 (fr) * 2022-07-26 2024-01-31 Basf Se Procédé de chloration photolytique de 3-halopyridine à l'aide du chlore moléculaire

Family Cites Families (6)

* 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
US4031100A (en) * 1976-08-23 1977-06-21 The Dow Chemical Company Process for making 2,6-difluoropyridine
EP0063872B1 (fr) * 1981-04-27 1985-07-17 Imperial Chemical Industries Plc Procédé pour la préparation de fluorométhyl pyridines et certains produits ainsi obtenus
IL68822A (en) * 1982-06-18 1990-07-12 Dow Chemical Co Pyridyl(oxy/thio)phenoxy compounds,herbicidal compositions and methods of using them
US4480102A (en) * 1982-07-23 1984-10-30 The Dow Chemical Company 2,3-Difluoro-5-(trifluoromethyl)pyridine and methods of making and using the same
EP0120575B1 (fr) * 1983-02-18 1989-06-14 Nippon Shokubai Kagaku Kogyo Co., Ltd Composés organiques fluorés

Also Published As

Publication number Publication date
KR900004039B1 (ko) 1990-06-09
TR22146A (tr) 1986-08-17
PL251146A1 (en) 1985-10-22
AU566757B2 (en) 1987-10-29
SU1376942A3 (ru) 1988-02-23
KR850004464A (ko) 1985-07-15
IL73807A (en) 1988-05-31
DK624184D0 (da) 1984-12-21
DK160489B (da) 1991-03-18
JPS60156672A (ja) 1985-08-16
DE3478598D1 (en) 1989-07-13
EP0146924A2 (fr) 1985-07-03
HU199121B (en) 1990-01-29
EP0146924A3 (en) 1986-03-12
CA1292746C (fr) 1991-12-03
JPH0586385B2 (fr) 1993-12-10
EP0146924B1 (fr) 1989-06-07
DK624184A (da) 1985-06-24
IL73807A0 (en) 1985-03-31
HUT36459A (en) 1985-09-30
AU3650284A (en) 1985-06-27
RO90047A (fr) 1986-09-30
ES8607937A1 (es) 1986-01-01
ES538891A0 (es) 1986-01-01

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