ES486574A1 - Procedimiento para la preparacion de 2,3,5-tricloropiridina - Google Patents

Procedimiento para la preparacion de 2,3,5-tricloropiridina

Info

Publication number
ES486574A1
ES486574A1 ES486574A ES486574A ES486574A1 ES 486574 A1 ES486574 A1 ES 486574A1 ES 486574 A ES486574 A ES 486574A ES 486574 A ES486574 A ES 486574A ES 486574 A1 ES486574 A1 ES 486574A1
Authority
ES
Spain
Prior art keywords
trichloropyridine
preparation
procedure
formula
formylbutyronitrile
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
ES486574A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES486574A1 publication Critical patent/ES486574A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyridine Compounds (AREA)
  • Catalysts (AREA)

Abstract

Procedimiento para la preparación de 2,3,5-tricloropiridina, caracterizado por efectuarse una reacción de adición del aldehido tricloroacético a acrilonitrilo en presencia de un catalizador y ciclizarse con desdoblamiento de agua, el 2, 4-4-tricloro-4-formilbutironitrilo formado de la fórmula **fórmula** convirtiéndolo en 2,3,5-tricloropiridina.
ES486574A 1978-12-05 1979-12-04 Procedimiento para la preparacion de 2,3,5-tricloropiridina Expired ES486574A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1239478 1978-12-05
CH1239578 1978-12-05
CH948979 1979-10-23
CH948879 1979-10-23

Publications (1)

Publication Number Publication Date
ES486574A1 true ES486574A1 (es) 1980-10-01

Family

ID=27429223

Family Applications (1)

Application Number Title Priority Date Filing Date
ES486574A Expired ES486574A1 (es) 1978-12-05 1979-12-04 Procedimiento para la preparacion de 2,3,5-tricloropiridina

Country Status (18)

Country Link
US (1) US4245098A (es)
EP (1) EP0012117B1 (es)
AR (1) AR222846A1 (es)
AU (1) AU527950B2 (es)
BR (1) BR7907901A (es)
CA (1) CA1123836A (es)
CS (1) CS215035B2 (es)
DD (1) DD149065A5 (es)
DE (1) DE2962105D1 (es)
ES (1) ES486574A1 (es)
FI (1) FI70703C (es)
GR (1) GR73036B (es)
HU (1) HU184064B (es)
IL (1) IL58872A (es)
NO (2) NO154165C (es)
PL (1) PL122604B1 (es)
SU (1) SU942592A3 (es)
TR (1) TR21019A (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360676A (en) * 1979-11-30 1982-11-23 Ciba-Geigy Corporation 3,3,5-Trichloroglutaric acid imide
DE3070085D1 (en) * 1979-11-30 1985-03-14 Ciba Geigy Ag Process for the preparation of 2,3,5,6-tetrachloropyridine and 3,5,6-trichloropyridin-2-ol
DE3167712D1 (en) * 1980-08-27 1985-01-24 Ciba Geigy Ag Process for the preparation of chloropyridines substituted with methyl or trifluoromethyl groups
EP0078234B1 (de) * 1981-10-20 1990-07-04 Ciba-Geigy Ag 5-Halogenalkyl-pyridine
US4473696A (en) * 1982-10-07 1984-09-25 Ici Americas Inc. Synthesis of 2-substituted-5-methyl-pyridines
US4435573A (en) * 1982-10-25 1984-03-06 The Dow Chemical Company Process for the preparation of substituted pyridines
US4468354A (en) * 1983-02-15 1984-08-28 The Dow Chemical Company Continuous process for preparing 5-oxo-2,4-dichloro-4-substituted pentanenitriles
AU571683B2 (en) * 1984-05-23 1988-04-21 Zeneca Ag Products Inc. 2-substituted-5-methylpyridines from methylcyclobutane- carbonitrile, valeronitrile and pentenonitrile intermediates
US5106984A (en) * 1985-12-20 1992-04-21 The Dow Chemical Company 2-hydrocarbyl-3,6-dichloropyridines and their preparation
EP0306547B1 (en) * 1987-09-09 1992-06-10 Dowelanco 2-hydrocarbyl-3,6-dichloropyridines and their preparation
IL86341A (en) * 1988-05-11 1992-02-16 Pamol Ltd Preparation of polychloropyridine derivatives and intermediates therefor
US4996323A (en) * 1989-05-12 1991-02-26 The Dow Chemical Company Process for the preparation of 3,5,6-trichloropyridin-2-ol
US5254712A (en) * 1990-01-06 1993-10-19 Stamicarbon B.V. Process for the preparation of 5-oxohexane nitriles and the compound 2,4-dimethyl-5-oxohexane nitrile
NL9000034A (nl) * 1990-01-06 1991-08-01 Stamicarbon Werkwijze voor de bereiding van 5-oxohexaannitrillen alsmede de stof 2,4-dimethyl-5-oxohexaannitril.
US5229519A (en) * 1992-03-06 1993-07-20 Reilly Industries, Inc. Process for preparing 2-halo-5-halomethylpyridines
US5688953A (en) * 1996-07-31 1997-11-18 Dowelanco Process for the preparation of 3,3,5-trichloroglutarimide
US6051714A (en) * 1998-03-12 2000-04-18 Reilly Industries, Inc. Processes for dechlorinating pyridines
USD889872S1 (en) * 2018-08-09 2020-07-14 Niangao Zhao Bench
CN113004193B (zh) * 2021-02-07 2024-10-18 兰州康鹏威耳化工有限公司 硅化合物在环合反应中的用途

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299118A (en) 1963-08-12 1967-01-17 Shell Oil Co Production of epsilon-halonitriles by the 1, 4-addition of an alpha-halonitrile to aconjugated diene
CH501623A (de) 1967-12-18 1971-01-15 Ruetgerswerke Ag Verfahren zur Herstellung von 2-Chlorpyridin und seinen Derivaten
US3592817A (en) * 1968-05-17 1971-07-13 Dow Chemical Co Preparation of perchloropyridine and perchlorocyanopyridine compounds by vapor phase chlorination of aliphatic nitriles
GB1334922A (en) * 1971-05-04 1973-10-24 Ici Ltd Manufacture of halogenated pyridine derivatives
NL7207939A (es) 1972-06-12 1973-12-14
CH620339A5 (es) 1976-03-05 1980-11-28 Ciba Geigy Ag

Also Published As

Publication number Publication date
PL122604B1 (en) 1982-08-31
NO793953L (no) 1980-06-06
DD149065A5 (de) 1981-06-24
NO843244L (no) 1980-06-06
EP0012117B1 (de) 1982-02-10
NO153847B (no) 1986-02-24
AR222846A1 (es) 1981-06-30
CA1123836A (en) 1982-05-18
SU942592A3 (ru) 1982-07-07
US4245098A (en) 1981-01-13
FI793783A7 (fi) 1980-06-06
FI70703B (fi) 1986-06-26
NO154165B (no) 1986-04-21
IL58872A (en) 1982-11-30
HU184064B (en) 1984-06-28
IL58872A0 (en) 1980-03-31
NO154165C (no) 1986-07-30
DE2962105D1 (en) 1982-03-18
EP0012117A1 (de) 1980-06-11
AU5346079A (en) 1980-06-12
BR7907901A (pt) 1980-07-22
CS215035B2 (en) 1982-06-25
AU527950B2 (en) 1983-03-31
PL220156A1 (es) 1980-12-01
FI70703C (fi) 1986-10-06
NO153847C (no) 1986-06-04
GR73036B (es) 1984-01-26
TR21019A (tr) 1983-05-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519