IL95808A - Regulation of Isomer Distribution in Psoriasis Chlorination of 2 in Lloro- 6-) Trichloromethyl (Pyridine - Google Patents

Regulation of Isomer Distribution in Psoriasis Chlorination of 2 in Lloro- 6-) Trichloromethyl (Pyridine

Info

Publication number
IL95808A
IL95808A IL9580890A IL9580890A IL95808A IL 95808 A IL95808 A IL 95808A IL 9580890 A IL9580890 A IL 9580890A IL 9580890 A IL9580890 A IL 9580890A IL 95808 A IL95808 A IL 95808A
Authority
IL
Israel
Prior art keywords
pyridine
trichloromethyl
dichloro
hydrogen chloride
chlorination
Prior art date
Application number
IL9580890A
Other languages
English (en)
Hebrew (he)
Other versions
IL95808A0 (en
Inventor
K Helling Richard
D Grover Philip
J Dietsche Thomas
L Garibaldi Mark
Original Assignee
Dowelanco
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 Dowelanco filed Critical Dowelanco
Publication of IL95808A0 publication Critical patent/IL95808A0/xx
Publication of IL95808A publication Critical patent/IL95808A/en

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
IL9580890A 1989-09-28 1990-09-26 Regulation of Isomer Distribution in Psoriasis Chlorination of 2 in Lloro- 6-) Trichloromethyl (Pyridine IL95808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/413,926 US4939263A (en) 1989-09-28 1989-09-28 Control of isomer distribution in a chlorination process

Publications (2)

Publication Number Publication Date
IL95808A0 IL95808A0 (en) 1991-06-30
IL95808A true IL95808A (en) 1994-04-12

Family

ID=23639230

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9580890A IL95808A (en) 1989-09-28 1990-09-26 Regulation of Isomer Distribution in Psoriasis Chlorination of 2 in Lloro- 6-) Trichloromethyl (Pyridine

Country Status (10)

Country Link
US (1) US4939263A (fr)
EP (1) EP0420356B1 (fr)
JP (1) JP2856527B2 (fr)
AT (1) ATE119153T1 (fr)
AU (1) AU626463B2 (fr)
CA (1) CA2026360C (fr)
DE (1) DE69017337T2 (fr)
DK (1) DK0420356T3 (fr)
ES (1) ES2068994T3 (fr)
IL (1) IL95808A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939263A (en) * 1989-09-28 1990-07-03 The Dow Chemical Company Control of isomer distribution in a chlorination process
US6794513B1 (en) * 2003-03-04 2004-09-21 Dow Agrosciences Llc Preparation of 3,6-dichloro-2-trichloromethylpyridine by vapor phase chlorination of 6-chloro-2-trichloromethylpyridine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418323A (en) * 1961-11-15 1968-12-24 Dow Chemical Co 2-chloro-6-(trichloromethyl)pyridine compounds
FR1347180A (fr) * 1961-11-15 1963-12-27 Dow Chemical Co Procédé de production de dérivés chlorés de l'alpha-picoline et de 2-(trichlorométhyl) pyridines nouvelles
US3732230A (en) * 1970-12-07 1973-05-08 Dow Chemical Co Liquid phase polychlorination of pyridine hydrochlorides
US4256894A (en) * 1978-04-24 1981-03-17 The Dow Chemical Company Preparation of chlorinated pyridines
CA1089468A (fr) * 1978-04-24 1980-11-11 The Dow Chemical Company Obtention de 2,3,5,6-tetrachloropyridine et de pentachloropyridine
US4227001A (en) * 1978-06-19 1980-10-07 The Dow Chemical Company Preparation of polychlorinated pyridines from 2,4-dichloro-6-(trichloro methyl)pyridine
US4331811A (en) * 1981-03-12 1982-05-25 The Dow Chemical Company Preparation of 2,3-dichloro-5-trichloromethylpyridine
US4564681A (en) * 1982-09-24 1986-01-14 Kalama Chemical, Inc. Production of mixtures rich in 3-chloro-2-trichloromethyl pyridine
US4487935A (en) * 1982-09-24 1984-12-11 Kalama Chemical, Inc. Production of mixtures rich in 6-chloro-2-trichloromethyl pyridine
US4577027A (en) * 1982-09-24 1986-03-18 Kalama Chemical, Inc. Production of polychlorinated pyridine mixtures by direct liquid phase chlorination of alpha-picoline
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
US4713460A (en) * 1986-07-22 1987-12-15 The Dow Chemical Company 2,3-bis-(poly)(chloromethyl)pyridines
US4939263A (en) * 1989-09-28 1990-07-03 The Dow Chemical Company Control of isomer distribution in a chlorination process

Also Published As

Publication number Publication date
DE69017337T2 (de) 1995-06-29
EP0420356A2 (fr) 1991-04-03
ATE119153T1 (de) 1995-03-15
ES2068994T3 (es) 1995-05-01
DK0420356T3 (da) 1995-07-17
CA2026360A1 (fr) 1991-03-29
AU626463B2 (en) 1992-07-30
DE69017337D1 (de) 1995-04-06
JP2856527B2 (ja) 1999-02-10
AU6364290A (en) 1991-04-11
US4939263A (en) 1990-07-03
EP0420356B1 (fr) 1995-03-01
JPH03209365A (ja) 1991-09-12
IL95808A0 (en) 1991-06-30
EP0420356A3 (en) 1991-10-09
CA2026360C (fr) 2001-01-30

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