GB991526A - Process for the production of polychloropyridines - Google Patents

Process for the production of polychloropyridines

Info

Publication number
GB991526A
GB991526A GB38761/63A GB3876163A GB991526A GB 991526 A GB991526 A GB 991526A GB 38761/63 A GB38761/63 A GB 38761/63A GB 3876163 A GB3876163 A GB 3876163A GB 991526 A GB991526 A GB 991526A
Authority
GB
United Kingdom
Prior art keywords
trichloromethyl
pyridine
dichloro
composition
pentachloropyridine
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
Application number
GB38761/63A
Other languages
English (en)
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.)
Dow Chemical Co
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 GB991526A publication Critical patent/GB991526A/en
Expired 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)
GB38761/63A 1962-10-18 1963-10-02 Process for the production of polychloropyridines Expired GB991526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US231581A US3186994A (en) 1962-10-18 1962-10-18 Polychloropyridines

Publications (1)

Publication Number Publication Date
GB991526A true GB991526A (en) 1965-05-12

Family

ID=22869841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38761/63A Expired GB991526A (en) 1962-10-18 1963-10-02 Process for the production of polychloropyridines

Country Status (3)

Country Link
US (1) US3186994A (en:Method)
BE (1) BE657822A (en:Method)
GB (1) GB991526A (en:Method)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022885A1 (en) * 1979-07-20 1981-01-28 The Dow Chemical Company Process for recovering 2,3,5,6-tetrachloropyridine from mixtures of chlorinated pyridines
US4327216A (en) 1979-11-30 1982-04-27 Ciba-Geigy Corporation Process for producing 2,3,5,6-tetrachloropyridine and 3,5,6-trichloropyridin-2-ol
US4360676A (en) 1979-11-30 1982-11-23 Ciba-Geigy Corporation 3,3,5-Trichloroglutaric acid imide
EP0254053A1 (en) * 1986-07-22 1988-01-27 The Dow Chemical Company Polychloropyridine production from polychloro-2,3-lutidines
EP0402536A1 (en) * 1986-01-10 1990-12-19 The Dow Chemical Company Preparation of 2,3,4,6-tetrachloropyridine

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297556A (en) * 1962-11-28 1967-01-10 Olin Mathieson Manufacture of 2-chloropyridine using photolytic light
GB1107043A (en) * 1965-03-17 1968-03-20 Robert Neville Haszeldine Preparation of cyanuric chloride and pentachloropyridine
GB1599783A (en) * 1978-02-15 1981-10-07 Ici Ltd Partial chlorination of 3-methyl pyridine
CA1089468A (en) * 1978-04-24 1980-11-11 The Dow Chemical Company Process for preparing 2,3,5,6-tetrachloropyridine and pentachloropyridine
CA1084936A (en) * 1978-06-19 1980-09-02 Dow Chemical Company Preparation of polychlorinated pyridines from 2,4- dichloro-6-(trichloromethyl) pyridines
US4309548A (en) * 1981-01-19 1982-01-05 The Dow Chemical Company Chlorination of 2-chloro-5-trichloromethylpyridine
US4331811A (en) * 1981-03-12 1982-05-25 The Dow Chemical Company Preparation of 2,3-dichloro-5-trichloromethylpyridine
US4577027A (en) * 1982-09-24 1986-03-18 Kalama Chemical, Inc. Production of polychlorinated pyridine mixtures by direct liquid phase chlorination of alpha-picoline
US4564681A (en) * 1982-09-24 1986-01-14 Kalama Chemical, Inc. Production of mixtures rich in 3-chloro-2-trichloromethyl pyridine
US4563531A (en) * 1982-09-24 1986-01-07 Kalama Chemical Inc. Process for producing 2,3,5-trichloropyridine
US4517369A (en) * 1982-09-29 1985-05-14 Kalama Chemical, Inc. Preparation of mixtures rich in 3,4,5,6-tetrachloro-2-trichloromethyl pyridine
US4701532A (en) * 1983-03-25 1987-10-20 The Dow Chemical Company Method of selectively chlorinating 2-chloro-5-(trichloromethyl) pyridine in the 3-position
FR2569191B1 (fr) * 1984-08-20 1987-07-10 Solvay Procede pour la preparation de derives chlores de composes pyridiniques et initiateurs radicalaires utilises dans ce procede
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
JPH07116151B2 (ja) * 1987-07-20 1995-12-13 ダイセル化学工業株式会社 ２，６−ジクロロピリジンの製造法
EP0311050A3 (en) * 1987-10-09 1990-05-30 Daicel Chemical Industries, Ltd. Process of preparing 2-chloropyridine and/or 2,6-dichloropyridine
US5229520A (en) * 1991-10-22 1993-07-20 Dowelanco Polychlorodipyridoimidazolium compounds and their use in the preparation of pentachloropyridine
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
US5468864A (en) * 1994-02-03 1995-11-21 Olin Corporation Process for preparing 2,6-dichloropyridine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022885A1 (en) * 1979-07-20 1981-01-28 The Dow Chemical Company Process for recovering 2,3,5,6-tetrachloropyridine from mixtures of chlorinated pyridines
US4327216A (en) 1979-11-30 1982-04-27 Ciba-Geigy Corporation Process for producing 2,3,5,6-tetrachloropyridine and 3,5,6-trichloropyridin-2-ol
US4360676A (en) 1979-11-30 1982-11-23 Ciba-Geigy Corporation 3,3,5-Trichloroglutaric acid imide
EP0402536A1 (en) * 1986-01-10 1990-12-19 The Dow Chemical Company Preparation of 2,3,4,6-tetrachloropyridine
EP0254053A1 (en) * 1986-07-22 1988-01-27 The Dow Chemical Company Polychloropyridine production from polychloro-2,3-lutidines

Also Published As

Publication number Publication date
BE657822A (en:Method) 1965-06-30
US3186994A (en) 1965-06-01

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