KR890701561A - 2,3,5,6-테트라클로로피리딘 및 2,3,6-트리클로로피리딘의 제조방법 - Google Patents

2,3,5,6-테트라클로로피리딘 및 2,3,6-트리클로로피리딘의 제조방법

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Publication number
KR890701561A
KR890701561A KR1019890700031A KR890700031A KR890701561A KR 890701561 A KR890701561 A KR 890701561A KR 1019890700031 A KR1019890700031 A KR 1019890700031A KR 890700031 A KR890700031 A KR 890700031A KR 890701561 A KR890701561 A KR 890701561A
Authority
KR
South Korea
Prior art keywords
trichloropyridine
tetrachloropyridine
polychloropyridine
chlorine
contacted
Prior art date
Application number
KR1019890700031A
Other languages
English (en)
Other versions
KR910001441B1 (ko
Inventor
에이.데스자르딘 마이클
이.킨도르프 토드
Original Assignee
리챠드 지.워터맨
더 다우 케미칼 캄파니
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 리챠드 지.워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 지.워터맨
Publication of KR890701561A publication Critical patent/KR890701561A/ko
Application granted granted Critical
Publication of KR910001441B1 publication Critical patent/KR910001441B1/ko

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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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

내용 없음

Description

2,3,5,6-테트라클로로피리딘 및 2,3,6-트리클로로피리딘의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 덜 염소화된 일반식(Ⅱ)의 폴리클로로피리딘을 증기상하에 300℃내지 450℃에서 염소와 접촉 반응시킴을 특징으로 하여, 일반식(Ⅰ)의 폴리클로로피리딘을 선택적으로 제조하는 방법.
    상기식에서 X는 Cl또는 H를 나타낸다.
  2. 제 1 항에 있어서, 접촉 반응을 320℃내지 450℃에서 수행하는 방법.
  3. 제 1 항에 있어서, 접촉반응을 연속적 방법으로 수행하는 방법.
  4. 제 3 항에 있어서, 접촉반응을 난류(turbulenct)또는 전이 유동 조건하에서 수행하는 방법.
  5. 제 1 항에 있어서, 제조한 폴리클로로피리딘을 추가로 축합 반응시켜 회수하는 방법.
  6. 제 5 항에 있어서, 회수한 폴리클로로피리딘을 추가로 증류시켜 정제하는 방법.
  7. 제 1 항에 있어서, 2,6-디클로로피리딘을 염소와 접촉 반응시켜 2,3,6-트리클로로피리딘을 제조하는 방법.
  8. 제 1 항에 있어서, 2,6-디클로로피리딘을 염소와 접촉 반응시켜 2,3,5,6-테트라클로로피리딘을 제조하는 방법.
  9. 제 1 항에 있어서, 2,3,6-트리클로로피리딘을 염소와 접촉 반응시켜 2,3,5,6-테트라클로로피리딘을 제조하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890700031A 1987-05-13 1988-05-12 2,3,5,6-테트라클로로피리딘 및 2,3,6-트리클로로피리딘의 제조방법 KR910001441B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5018687A 1987-05-13 1987-05-13
US050,186 1987-05-13
US?050,186? 1987-05-13
PCT/US1988/001596 WO1988008839A1 (en) 1987-05-13 1988-05-12 Process for the production of 2,3,5,6-tetrachloropyridine and 2,3,6-trichloropyridine

Publications (2)

Publication Number Publication Date
KR890701561A true KR890701561A (ko) 1989-12-20
KR910001441B1 KR910001441B1 (ko) 1991-03-07

Family

ID=27270028

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890700031A KR910001441B1 (ko) 1987-05-13 1988-05-12 2,3,5,6-테트라클로로피리딘 및 2,3,6-트리클로로피리딘의 제조방법

Country Status (12)

Country Link
US (1) US4785112A (ko)
EP (2) EP0363404B1 (ko)
JP (1) JP2588268B2 (ko)
KR (1) KR910001441B1 (ko)
AT (1) ATE119152T1 (ko)
AU (1) AU606170B2 (ko)
CA (1) CA1301764C (ko)
DE (1) DE3853209T2 (ko)
DK (1) DK162983C (ko)
HU (1) HU204255B (ko)
IL (1) IL86360A0 (ko)
WO (1) WO1988008839A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186994A (en) * 1962-10-18 1965-06-01 Dow Chemical Co Polychloropyridines
US3251848A (en) * 1963-11-12 1966-05-17 Dow Chemical Co Vapor phase production of 2-chloropyridine and 2, 6-dichloropyridine
NL130304C (ko) * 1964-02-12
US3420833A (en) * 1967-09-08 1969-01-07 Dow Chemical Co Vapor phase production of polychlorinated compounds
US3538100A (en) * 1968-03-15 1970-11-03 Olin Corp Process for preparing highly chlorinated pyridines
GB1532038A (en) * 1976-10-26 1978-11-15 Ici Ltd Process for the preparation of 2,3,5-trichloropyridine
US4281135A (en) * 1979-06-11 1981-07-28 The Dow Chemical Company Preparation of highly chlorinated pyridines
IL78341A (en) * 1986-03-31 1989-08-15 Makhteshim Chem Works Ltd Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase
US4705859A (en) * 1986-07-22 1987-11-10 The Dow Chemical Company Polychloropyridine production from polychloro-2,3-lutidines

Also Published As

Publication number Publication date
CA1301764C (en) 1992-05-26
JPH02504265A (ja) 1990-12-06
IL86360A0 (en) 1988-11-15
DK162983C (da) 1992-06-01
EP0363404A1 (en) 1990-04-18
DK162983B (da) 1992-01-06
DE3853209D1 (de) 1995-04-06
EP0363404B1 (en) 1995-03-01
HUT50321A (en) 1990-01-29
DK567489D0 (da) 1989-11-13
US4785112A (en) 1988-11-15
AU1796088A (en) 1988-12-06
ATE119152T1 (de) 1995-03-15
AU606170B2 (en) 1991-01-31
JP2588268B2 (ja) 1997-03-05
EP0350521A1 (en) 1990-01-17
EP0363404A4 (en) 1991-01-30
WO1988008839A1 (en) 1988-11-17
HU204255B (en) 1991-12-30
DE3853209T2 (de) 1995-06-29
DK567489A (da) 1990-01-11
KR910001441B1 (ko) 1991-03-07

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