ES2086018T3 - Procedimiento para la obtencion de 2-cloropiridinas. - Google Patents

Procedimiento para la obtencion de 2-cloropiridinas.

Info

Publication number
ES2086018T3
ES2086018T3 ES92105103T ES92105103T ES2086018T3 ES 2086018 T3 ES2086018 T3 ES 2086018T3 ES 92105103 T ES92105103 T ES 92105103T ES 92105103 T ES92105103 T ES 92105103T ES 2086018 T3 ES2086018 T3 ES 2086018T3
Authority
ES
Spain
Prior art keywords
procedure
methanol
equivalent
formula
water
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 - Lifetime
Application number
ES92105103T
Other languages
English (en)
Inventor
Gunther Dr Cramm
Hans Dr Lindel
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2086018T3 publication Critical patent/ES2086018T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/26—Radicals substituted by halogen atoms or nitro radicals

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 2 SE OBTIENEN DERIVADOS DE 2 (I) EN LA CUAL, R EQUIVALE A HIDROGENO, C1 LOGENO Y N EQUIVALE A 1 HASTA 4, CON BUEN RENDIMIENTO Y ALTA PUREZA, CUANDO SE EMPLEA UN DERIVADO DE 2 FORMULA (II) EN LA CUAL, R Y N TIENEN EL SIGNIFICADO CITADO ANTERIORMENTE, EN UNA SOLUCION SATURADA DE CLORURO DE HIDROGENO, A TEMPERATURAS ENTRE -10 Y +50 (GRADOS) C, EN UNA DISOLUCION DE LA SERIE METANOL, AGUA O UNA MEZCLA DE METANOL Y AGUA CON METILNITRITO, BAJO INTRODUCCION SIMULTANEA DE CLORURO DE HIDROGENO. LOS COMPUESTOS DE LA FORMULA (I), SON PRODUCTOS INTERMEDIOS PARA INSECTICIDAS, PRODUCTOS FARMACEUTICOS, COLORANTES O TAMBIEN PARA HERBICIDAS.
ES92105103T 1991-04-06 1992-03-25 Procedimiento para la obtencion de 2-cloropiridinas. Expired - Lifetime ES2086018T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4111214A DE4111214A1 (de) 1991-04-06 1991-04-06 Verfahren zur herstellung von 2-chlorpyridinen

Publications (1)

Publication Number Publication Date
ES2086018T3 true ES2086018T3 (es) 1996-06-16

Family

ID=6428995

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92105103T Expired - Lifetime ES2086018T3 (es) 1991-04-06 1992-03-25 Procedimiento para la obtencion de 2-cloropiridinas.

Country Status (6)

Country Link
EP (1) EP0508217B1 (es)
JP (1) JP3046137B2 (es)
KR (1) KR100211504B1 (es)
DE (2) DE4111214A1 (es)
ES (1) ES2086018T3 (es)
TW (1) TW212172B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5508410A (en) * 1993-11-30 1996-04-16 Reilly Industries, Inc. Process for preparing 2-halo-5-substituted pyridines
ES2546960T3 (es) 2005-02-09 2015-09-30 Syngenta Participations Ag Procedimiento para la preparación de unos compuestos intermedios

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178052B (de) * 1959-08-12 1964-09-17 Badische Anilin- &. Soda-Fabrik Aktiengesellschaft, Ludwigshafen/Rhein Verfahren zur Herstellung von heterocyclischen Verbindungne, die mindestens ein einem Ringstickstoffatom benachbartes Chloratom enthalten.
DE1695659B1 (de) * 1967-12-18 1971-12-16 Ruetgerswerke Ag Verfahren zur Herstellung von 2-Chlorpyridinen
GB2026865A (en) * 1978-03-01 1980-02-13 Ici Ltd Herbicides
DE4005115A1 (de) * 1990-02-17 1991-08-22 Bayer Ag Verfahren zur herstellung von in 2-stellung halogensubstituierten pyridinen

Also Published As

Publication number Publication date
JP3046137B2 (ja) 2000-05-29
TW212172B (es) 1993-09-01
JPH05125047A (ja) 1993-05-21
KR920019751A (ko) 1992-11-19
KR100211504B1 (ko) 1999-08-02
EP0508217B1 (de) 1996-05-01
DE4111214A1 (de) 1992-10-08
DE59206151D1 (de) 1996-06-05
EP0508217A1 (de) 1992-10-14

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