IL78341A - Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase - Google Patents

Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase

Info

Publication number
IL78341A
IL78341A IL78341A IL7834186A IL78341A IL 78341 A IL78341 A IL 78341A IL 78341 A IL78341 A IL 78341A IL 7834186 A IL7834186 A IL 7834186A IL 78341 A IL78341 A IL 78341A
Authority
IL
Israel
Prior art keywords
trichloropyridine
tetrachloropyridine
gas phase
preparing
dichloropyridine
Prior art date
Application number
IL78341A
Other languages
English (en)
Other versions
IL78341A0 (en
Inventor
Sharvit Joseph
Lubetzky David
Adolf Perefekowitz Abraham
Original Assignee
Makhteshim Chem Works 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 Makhteshim Chem Works Ltd filed Critical Makhteshim Chem Works Ltd
Priority to IL78341A priority Critical patent/IL78341A/xx
Publication of IL78341A0 publication Critical patent/IL78341A0/xx
Priority to EP87104273A priority patent/EP0239904B1/de
Priority to ES198787104273T priority patent/ES2032399T3/es
Priority to DE8787104273T priority patent/DE3776172D1/de
Priority to AT87104273T priority patent/ATE71939T1/de
Priority to CA000533297A priority patent/CA1293512C/en
Priority to US07/032,437 priority patent/US4810797A/en
Priority to JP62080841A priority patent/JPS6310763A/ja
Publication of IL78341A publication Critical patent/IL78341A/xx

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IL78341A 1986-03-31 1986-03-31 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase IL78341A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IL78341A IL78341A (en) 1986-03-31 1986-03-31 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase
EP87104273A EP0239904B1 (de) 1986-03-31 1987-03-24 Verfahren zur Herstellung von 2,3,6-Trichlorpyridin und 2,3,5,6-Tetrachlorpyridin in der Gasphase
ES198787104273T ES2032399T3 (es) 1986-03-31 1987-03-24 Metodo para preparar 2,3,5,6-tetraclorpiridina en fase gaseosa.
DE8787104273T DE3776172D1 (de) 1986-03-31 1987-03-24 Verfahren zur herstellung von 2,3,6-trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase.
AT87104273T ATE71939T1 (de) 1986-03-31 1987-03-24 Verfahren zur herstellung von 2,3,6trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase.
CA000533297A CA1293512C (en) 1986-03-31 1987-03-30 Method of preparing 2,3,6-trichloropyridine and 2,3,5, 6-tetrachloropyridine in the gas phase
US07/032,437 US4810797A (en) 1986-03-31 1987-03-30 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase
JP62080841A JPS6310763A (ja) 1986-03-31 1987-03-31 ２，３，６−トリクロロピリジンおよび２，３，５，６−テトラクロロピリジンの気相製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL78341A IL78341A (en) 1986-03-31 1986-03-31 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase

Publications (2)

Publication Number Publication Date
IL78341A0 IL78341A0 (en) 1986-07-31
IL78341A true IL78341A (en) 1989-08-15

Family

ID=11056642

Family Applications (1)

Application Number Title Priority Date Filing Date
IL78341A IL78341A (en) 1986-03-31 1986-03-31 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase

Country Status (8)

Country Link
US (1) US4810797A (de)
EP (1) EP0239904B1 (de)
JP (1) JPS6310763A (de)
AT (1) ATE71939T1 (de)
CA (1) CA1293512C (de)
DE (1) DE3776172D1 (de)
ES (1) ES2032399T3 (de)
IL (1) IL78341A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785112A (en) * 1987-05-13 1988-11-15 The Dow Chemical Company Process for the production of 2,3,5,6-tetrachloropyridine and 2,3,6-trichloropyridine
US5319088A (en) * 1991-11-26 1994-06-07 Dowelanco Selective gas phase chlorination of polychlorinated β-picolines to produce 2,3,5,6-tetrachloropyridine and its precursors
US5509786A (en) * 1992-07-01 1996-04-23 Ubukata Industries Co., Ltd. Thermal protector mounting structure for hermetic refrigeration compressors
JP4056366B2 (ja) * 2002-11-20 2008-03-05 信越化学工業株式会社 塩化亜鉛担持体の製造方法
DE602004025674D1 (de) * 2003-03-04 2010-04-08 Dow Agrosciences Llc Herstellung von 3,6-dichlor-2-trichlormethylpyridin durch dampfphasenchlorierung von 6-chlor-2-trichlormethylpyridin
WO2005105747A1 (en) * 2004-04-26 2005-11-10 Dow Agrosciences Llc VAPOR PHASE CATALYTIC CHLORINATION OF β-PICOLINE
CN102127011B (zh) * 2011-01-11 2012-10-03 湘潭大学 一种活性炭催化氯化合成多氯吡啶及其衍生物的方法及设备
CN109553572B (zh) * 2019-01-24 2021-10-26 重庆中邦科技有限公司 一种2,3,6-三氯吡啶的制备方法
CN112138663B (zh) * 2020-10-23 2022-07-08 北京弗莱明科技有限公司 一种制备氯代吡啶用催化剂及其制备方法和一种制备氯代吡啶的方法
CN113244934B (zh) * 2021-05-25 2022-11-08 上海华谊（集团）公司 生产2,3,6-三氯吡啶用催化剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1977662A (en) * 1931-05-21 1934-10-23 Dow Chemical Co Process of halogenating pyridines
NL130304C (de) * 1964-02-12
US3420833A (en) * 1967-09-08 1969-01-07 Dow Chemical Co Vapor phase production of polychlorinated compounds
BE795683A (fr) * 1972-02-21 1973-06-18 Degussa Procede pour la preparation de 2,6-dichloropyridine
US4281135A (en) * 1979-06-11 1981-07-28 The Dow Chemical Company Preparation of highly chlorinated pyridines
JPS5877863A (ja) * 1981-11-04 1983-05-11 Ishihara Sangyo Kaisha Ltd ３―クロロ―５―トリフルオロメチルピリジン系化合物の製造方法

Also Published As

Publication number Publication date
DE3776172D1 (de) 1992-03-05
CA1293512C (en) 1991-12-24
EP0239904A3 (en) 1988-01-20
ATE71939T1 (de) 1992-02-15
US4810797A (en) 1989-03-07
JPS6310763A (ja) 1988-01-18
ES2032399T3 (es) 1993-02-16
EP0239904B1 (de) 1992-01-22
EP0239904A2 (de) 1987-10-07
IL78341A0 (en) 1986-07-31

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Legal Events

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