GB2004873B - 4-hydroxy-4,5-dihydro-6-phenyl-3(2h) pyridazinone and its tautomer 3,4-dihydroxy-6-phenyl-4,5-dihydro-pyridazine their preparation and their use for manufacturing 6-phenyl-3(2h)pyradizione - Google Patents

4-hydroxy-4,5-dihydro-6-phenyl-3(2h) pyridazinone and its tautomer 3,4-dihydroxy-6-phenyl-4,5-dihydro-pyridazine their preparation and their use for manufacturing 6-phenyl-3(2h)pyradizione

Info

Publication number
GB2004873B
GB2004873B GB7837349A GB7837349A GB2004873B GB 2004873 B GB2004873 B GB 2004873B GB 7837349 A GB7837349 A GB 7837349A GB 7837349 A GB7837349 A GB 7837349A GB 2004873 B GB2004873 B GB 2004873B
Authority
GB
United Kingdom
Prior art keywords
phenyl
dihydro
pyradizione
pyridazinone
tautomer
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
GB7837349A
Other versions
GB2004873A (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.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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
Priority claimed from FR7728648A external-priority patent/FR2403998A1/en
Priority claimed from FR7728647A external-priority patent/FR2408592A1/en
Application filed by Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Publication of GB2004873A publication Critical patent/GB2004873A/en
Application granted granted Critical
Publication of GB2004873B publication Critical patent/GB2004873B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C07D237/04—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having less than three double bonds between ring members or between ring members and non-ring members
    • 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
    • C07D237/14—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB7837349A 1977-09-22 1978-09-19 4-hydroxy-4,5-dihydro-6-phenyl-3(2h) pyridazinone and its tautomer 3,4-dihydroxy-6-phenyl-4,5-dihydro-pyridazine their preparation and their use for manufacturing 6-phenyl-3(2h)pyradizione Expired GB2004873B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7728648A FR2403998A1 (en) 1977-09-22 1977-09-22 3,4-Di:hydroxy-6-phenyl-4,5-di:hydro-pyridazine - useful as intermediate for herbicidal 6-phenyl-3-pyridazinone cpds.
FR7728647A FR2408592A1 (en) 1977-09-22 1977-09-22 3,4-Di:hydroxy-6-phenyl-4,5-di:hydro-pyridazine - useful as intermediate for herbicidal 6-phenyl-3-pyridazinone cpds.

Publications (2)

Publication Number Publication Date
GB2004873A GB2004873A (en) 1979-04-11
GB2004873B true GB2004873B (en) 1982-01-27

Family

ID=26220230

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7837349A Expired GB2004873B (en) 1977-09-22 1978-09-19 4-hydroxy-4,5-dihydro-6-phenyl-3(2h) pyridazinone and its tautomer 3,4-dihydroxy-6-phenyl-4,5-dihydro-pyridazine their preparation and their use for manufacturing 6-phenyl-3(2h)pyradizione

Country Status (4)

Country Link
AT (1) AT361936B (en)
CH (1) CH634564A5 (en)
DE (1) DE2841421A1 (en)
GB (1) GB2004873B (en)

Also Published As

Publication number Publication date
AT361936B (en) 1981-04-10
CH634564A5 (en) 1983-02-15
DE2841421A1 (en) 1979-04-05
ATA668978A (en) 1980-09-15
GB2004873A (en) 1979-04-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920919