ES2092511T3 - Un metodo para preparar derivados de piridazinona. - Google Patents

Un metodo para preparar derivados de piridazinona.

Info

Publication number
ES2092511T3
ES2092511T3 ES90913854T ES90913854T ES2092511T3 ES 2092511 T3 ES2092511 T3 ES 2092511T3 ES 90913854 T ES90913854 T ES 90913854T ES 90913854 T ES90913854 T ES 90913854T ES 2092511 T3 ES2092511 T3 ES 2092511T3
Authority
ES
Spain
Prior art keywords
alkyl
piridazinone
derivatives
preparing
formula
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
ES90913854T
Other languages
English (en)
Inventor
Brian Geoffrey Cox
Michael Scott Howarth
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.)
Syngenta Ltd
Original Assignee
Zeneca Ltd
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 Zeneca Ltd filed Critical Zeneca Ltd
Application granted granted Critical
Publication of ES2092511T3 publication Critical patent/ES2092511T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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
    • C07D237/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines

Abstract

UN METODO PARA LA PREPARACION DE UN DERIVADO DE PIRIDAZINONA QUE TIENE LA FORMULA GENERAL (I), DONDE: R ELEVADO 1 ES UN GRUPO FENILO, OPCIONALMENTE SUSTITUIDO, R (AL CUADRADO) ES H, ALQUILO O CARBOXI, R ELEVADO 3 ES H, ALQUILO O ALCOXI Y R ELEVADO 4 ES ALQUILO; CONSISTIENDO DICHO METODO EN HACER REACCIONAR UNA HIDRAZONA DE HALURO DE ACIDO GLIOXILICO QUE TENGA LA FORMULA (VII) EN QUE X ES HALOGENO, CON UN ESTER DE LA FORMULA (VIII) ANTE LA PRESENCIA DE UNA BASE ALCALINO-TERREA.
ES90913854T 1989-08-30 1990-08-29 Un metodo para preparar derivados de piridazinona. Expired - Lifetime ES2092511T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898919622A GB8919622D0 (en) 1989-08-30 1989-08-30 A method of preparing pyridazinone derivatives

Publications (1)

Publication Number Publication Date
ES2092511T3 true ES2092511T3 (es) 1996-12-01

Family

ID=10662275

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90913854T Expired - Lifetime ES2092511T3 (es) 1989-08-30 1990-08-29 Un metodo para preparar derivados de piridazinona.

Country Status (9)

Country Link
EP (1) EP0489845B1 (es)
JP (1) JP2959840B2 (es)
AT (1) ATE144255T1 (es)
AU (1) AU634291B2 (es)
CA (1) CA2065333C (es)
DE (1) DE69028922T2 (es)
ES (1) ES2092511T3 (es)
GB (1) GB8919622D0 (es)
WO (1) WO1991003463A1 (es)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839532A (en) * 1958-06-17 Pyridazone compounds and process of
GB858792A (en) * 1958-02-10 1961-01-18 Sandoz Ltd New pyridazine derivatives and processes for their manufacture
US4281125A (en) * 1980-05-15 1981-07-28 Diamond Shamrock Corporation Quinoline catalyzed synthesis of pyridazinone pharmaceutical intermediates
GR75799B (es) * 1980-10-03 1984-08-02 Ici Plc
US4623378A (en) * 1983-08-10 1986-11-18 Ciba-Geigy Corporation Gametocidal pyridazinylcarboxylic acid derivatives
GB8821447D0 (en) * 1988-09-13 1988-10-12 Ici Plc Pyridazinone manufacture
GB8821449D0 (en) * 1988-09-13 1988-10-12 Ici Plc Pyridazinone manufacture

Also Published As

Publication number Publication date
CA2065333A1 (en) 1991-03-01
EP0489845A1 (en) 1992-06-17
DE69028922D1 (de) 1996-11-21
CA2065333C (en) 2001-01-16
WO1991003463A1 (en) 1991-03-21
JP2959840B2 (ja) 1999-10-06
ATE144255T1 (de) 1996-11-15
EP0489845B1 (en) 1996-10-16
AU634291B2 (en) 1993-02-18
GB8919622D0 (en) 1989-10-11
DE69028922T2 (de) 1997-02-13
JPH05500065A (ja) 1993-01-14
AU6404290A (en) 1991-04-08

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