DE3776172D1 - Verfahren zur herstellung von 2,3,6-trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase. - Google Patents

Verfahren zur herstellung von 2,3,6-trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase.

Info

Publication number
DE3776172D1
DE3776172D1 DE8787104273T DE3776172T DE3776172D1 DE 3776172 D1 DE3776172 D1 DE 3776172D1 DE 8787104273 T DE8787104273 T DE 8787104273T DE 3776172 T DE3776172 T DE 3776172T DE 3776172 D1 DE3776172 D1 DE 3776172D1
Authority
DE
Germany
Prior art keywords
gas phase
trichlorpyridine
tetrachlorpyridine
producing
trichloropyridine
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8787104273T
Other languages
English (en)
Inventor
Joseph Sharvit
David Lubetzky
Abraham Adolf Pereferkovich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adama Makhteshim Ltd
Original Assignee
Makhteshim Chemical 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 Chemical Works Ltd filed Critical Makhteshim Chemical Works Ltd
Application granted granted Critical
Publication of DE3776172D1 publication Critical patent/DE3776172D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8787104273T 1986-03-31 1987-03-24 Verfahren zur herstellung von 2,3,6-trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase. Expired - Lifetime DE3776172D1 (de)

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 (1)

Publication Number Publication Date
DE3776172D1 true DE3776172D1 (de) 1992-03-05

Family

ID=11056642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787104273T Expired - Lifetime 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.

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
KR101086913B1 (ko) * 2003-03-04 2011-11-29 다우 아그로사이언시즈 엘엘씨 6-클로로-2-트리클로로메틸피리딘의 기상 염소화에 의한3,6-디클로로-2-트리클로로메틸피리딘 제조
BRPI0510250B1 (pt) * 2004-04-26 2014-01-21 Cloração catalítica em fase vapor de (beta)-picolina
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 (7)

* 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
JPS58206564A (ja) * 1982-05-27 1983-12-01 Ishihara Sangyo Kaisha Ltd β−クロロピリジン系化合物の製造方法

Also Published As

Publication number Publication date
IL78341A (en) 1989-08-15
US4810797A (en) 1989-03-07
IL78341A0 (en) 1986-07-31
ATE71939T1 (de) 1992-02-15
EP0239904A2 (de) 1987-10-07
EP0239904B1 (de) 1992-01-22
JPS6310763A (ja) 1988-01-18
ES2032399T3 (es) 1993-02-16
CA1293512C (en) 1991-12-24
EP0239904A3 (en) 1988-01-20

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee