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BR7902491A - Processo para a preparacao de 2,3,5,6-tetracloropiridina e pentacloropiridina - Google Patents

Processo para a preparacao de 2,3,5,6-tetracloropiridina e pentacloropiridina

Info

Publication number
BR7902491A
BR7902491A BR7902491A BR7902491A BR7902491A BR 7902491 A BR7902491 A BR 7902491A BR 7902491 A BR7902491 A BR 7902491A BR 7902491 A BR7902491 A BR 7902491A BR 7902491 A BR7902491 A BR 7902491A
Authority
BR
Brazil
Prior art keywords
tetracloropyridine
pentacloropyridine
preparation
Prior art date
Application number
BR7902491A
Other languages
English (en)
Inventor
J Love
T Dietsche
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 BR7902491A publication Critical patent/BR7902491A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/60Heterocyclic 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
    • C07D213/61Halogen atoms or nitro radicals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR7902491A 1978-04-24 1979-04-23 Processo para a preparacao de 2,3,5,6-tetracloropiridina e pentacloropiridina BR7902491A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89967578A 1978-04-24 1978-04-24

Publications (1)

Publication Number Publication Date
BR7902491A true BR7902491A (pt) 1979-10-30

Family

ID=25411379

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902491A BR7902491A (pt) 1978-04-24 1979-04-23 Processo para a preparacao de 2,3,5,6-tetracloropiridina e pentacloropiridina

Country Status (10)

Country Link
EP (1) EP0005064B1 (pt)
JP (1) JPS54144378A (pt)
AR (1) AR220383A1 (pt)
AU (1) AU518910B2 (pt)
BR (1) BR7902491A (pt)
CA (1) CA1089468A (pt)
DE (1) DE2967250D1 (pt)
IL (1) IL56946A (pt)
NZ (1) NZ189956A (pt)
ZA (1) ZA791325B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56125369A (en) * 1980-03-07 1981-10-01 Ishihara Sangyo Kaisha Ltd Preparation of 3-halogeno-5-trifluoromethylpyridine compound
US4331811A (en) * 1981-03-12 1982-05-25 The Dow Chemical Company Preparation of 2,3-dichloro-5-trichloromethylpyridine
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
EP0204848B1 (en) * 1985-05-31 1989-11-23 The Dow Chemical Company Preparation of symmetrical tetrachloropyridine from chlorinated beta - (trichloromethyl) pyridines employing a catalyst
US4849523A (en) * 1986-01-10 1989-07-18 The Dow Chemical Company Preparation of 2,3,4,6-tetrachloropyridine
US4705859A (en) * 1986-07-22 1987-11-10 The Dow Chemical Company Polychloropyridine production from polychloro-2,3-lutidines
US4939263A (en) * 1989-09-28 1990-07-03 The Dow Chemical Company Control of isomer distribution in a chlorination process
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
USD923139S1 (en) 2019-06-07 2021-06-22 S. C. Johnson & Son, Inc. Set of toilet rim-blocks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3186994A (en) * 1962-10-18 1965-06-01 Dow Chemical Co Polychloropyridines
US3538100A (en) * 1968-03-15 1970-11-03 Olin Corp Process for preparing highly chlorinated pyridines
US3732230A (en) * 1970-12-07 1973-05-08 Dow Chemical Co Liquid phase polychlorination of pyridine hydrochlorides

Also Published As

Publication number Publication date
EP0005064A1 (en) 1979-10-31
AU518910B2 (en) 1981-10-29
EP0005064B1 (en) 1984-10-10
IL56946A (en) 1981-12-31
JPS6157827B2 (pt) 1986-12-09
CA1089468A (en) 1980-11-11
IL56946A0 (en) 1979-05-31
AR220383A1 (es) 1980-10-31
NZ189956A (en) 1981-03-16
ZA791325B (en) 1980-03-26
DE2967250D1 (en) 1984-11-15
AU4541779A (en) 1979-11-01
JPS54144378A (en) 1979-11-10

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