ES8306365A1 - "un procedimiento para producir 2-cloropiridinas". - Google Patents

"un procedimiento para producir 2-cloropiridinas".

Info

Publication number
ES8306365A1
ES8306365A1 ES514981A ES514981A ES8306365A1 ES 8306365 A1 ES8306365 A1 ES 8306365A1 ES 514981 A ES514981 A ES 514981A ES 514981 A ES514981 A ES 514981A ES 8306365 A1 ES8306365 A1 ES 8306365A1
Authority
ES
Spain
Prior art keywords
image
chloropyridines
formula
alkyl
carboxyl
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
ES514981A
Other languages
English (en)
Other versions
ES514981A0 (es
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 ES514981A0 publication Critical patent/ES514981A0/es
Publication of ES8306365A1 publication Critical patent/ES8306365A1/es
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

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 2-CLOROPIRIDINAS, DE FORMULA (I), EN LA QUE R PUEDE SER UNO DE VARIOS TIPOS DE RADICALES Y N VALE 0-4. CONSISTE EN LA REACCION DE UNA 2-PIRIDINONA DE FORMULA (II), EN LA QUE R Y N TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I) CON FOSGENO. LA REACCION SE LLEVA A CABO EN UN MEDIO DISOLVENTE INERTE, EN PRESENCIA DE UNA FORMAMIDA N,N DISUSTITUIDO, DE FORMULA HCONR R , EN LA QUE R Y R PUEDEN SER VARIOS RADICALES, A UNA TEMPERATURA COMPRENDIDA ENTRE 30 C Y 150 C. ESTOS COMPUESTOS TIENEN APLICACIONES EN AGRICULTURA POR SU ACTIVIDAD HERBICIDA.
ES514981A 1981-08-14 1982-08-13 "un procedimiento para producir 2-cloropiridinas". Expired ES8306365A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/292,847 US4404388A (en) 1981-08-14 1981-08-14 Process for producing 2-chloropyridines

Publications (2)

Publication Number Publication Date
ES514981A0 ES514981A0 (es) 1983-06-01
ES8306365A1 true ES8306365A1 (es) 1983-06-01

Family

ID=23126463

Family Applications (1)

Application Number Title Priority Date Filing Date
ES514981A Expired ES8306365A1 (es) 1981-08-14 1982-08-13 "un procedimiento para producir 2-cloropiridinas".

Country Status (7)

Country Link
US (1) US4404388A (es)
EP (1) EP0072777A3 (es)
JP (1) JPS5841867A (es)
BR (1) BR8204766A (es)
CA (1) CA1176635A (es)
ES (1) ES8306365A1 (es)
IL (1) IL66531A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308822D0 (en) * 1983-03-30 1983-05-11 Ici Plc Chemical process
DE58908915D1 (de) * 1988-12-16 1995-03-02 Bayer Ag Verfahren zur Herstellung von 2-Chlor-5-chlormethylpyridin.
DE4020053A1 (de) * 1990-01-31 1991-08-01 Bayer Ag Verfahren zur herstellung von 2-chlor-5-methyl-pyridin
DE4111215A1 (de) * 1991-04-06 1992-10-08 Bayer Ag Verfahren zur herstellung von 2-chlorpyridinen
DE4234637A1 (de) * 1992-10-14 1994-04-21 Bayer Ag Verfahren zur Herstellung von 2-substituierten 5-Alkyl-pyridinen
DE4301110A1 (de) * 1993-01-18 1994-07-21 Bayer Ag Verfahren zur Herstellung von 2-Amino-5-aminomethyl-pyridin
DE4308152A1 (de) * 1993-03-15 1994-09-22 Bayer Ag Verfahren zur Herstellung von 2-Halogen-5-cyano-pyridinen
DE4400462A1 (de) * 1994-01-11 1995-07-13 Bayer Ag Chlorpyridiniumchloride und Verfahren zu ihrer Herstellung
DE69710773T2 (de) * 1996-12-10 2002-08-14 Banyu Pharma Co Ltd Verfahren zur herstellung von halogenierten heteroarylverbindungen
WO2008032334A1 (en) * 2006-09-12 2008-03-20 Jubilant Organosys Limited Eco-friendly process for recovery of pyridine and/or its derivatives
EP4105202B1 (en) * 2018-01-05 2024-05-01 Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd. Method for preparing 2-chloro-5-trifluoromethylpyridine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH132026A (de) * 1926-12-03 1929-03-31 Degussa Verfahren zur Herstellung von 2-Chlorpyridin.
DE522060C (de) * 1927-04-15 1931-03-30 Schering Kahlbaum Ag Verfahren zur Darstellung von Chlorderivaten des Pyridins
US3629472A (en) * 1968-07-10 1971-12-21 Mobil Oil Corp Bactericidal compositions containing substituted nitropyridines
CH622170A5 (en) * 1976-07-23 1981-03-31 Ciba Geigy Ag Herbicidal composition containing, as active ingredient, pyridyloxyphenoxyalkanecarboxylic acid derivatives
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
US4287347A (en) * 1980-05-12 1981-09-01 Ciba-Geigy Corporation Process for producing 2,3,5-trichloropyridine

Also Published As

Publication number Publication date
EP0072777A3 (de) 1983-07-06
BR8204766A (pt) 1983-08-02
CA1176635A (en) 1984-10-23
ES514981A0 (es) 1983-06-01
US4404388A (en) 1983-09-13
IL66531A0 (en) 1982-12-31
IL66531A (en) 1986-01-31
JPS5841867A (ja) 1983-03-11
EP0072777A2 (de) 1983-02-23

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