CH639958A5 - Process for the preparation of 3-phenyl-6-pyridazone - Google Patents

Process for the preparation of 3-phenyl-6-pyridazone Download PDF

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Publication number
CH639958A5
CH639958A5 CH400379A CH400379A CH639958A5 CH 639958 A5 CH639958 A5 CH 639958A5 CH 400379 A CH400379 A CH 400379A CH 400379 A CH400379 A CH 400379A CH 639958 A5 CH639958 A5 CH 639958A5
Authority
CH
Switzerland
Prior art keywords
phenyl
hydroxy
hydrazine
reaction
pyridazone
Prior art date
Application number
CH400379A
Other languages
German (de)
English (en)
Inventor
Franz Dr Raninger
Engelbert Ing Kloimstein
Original Assignee
Chemie Linz 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 Chemie Linz Ag filed Critical Chemie Linz Ag
Publication of CH639958A5 publication Critical patent/CH639958A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D237/00Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06Heterocyclic 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
    • C07D237/10Heterocyclic 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
    • C07D237/14Oxygen atoms
    • C07D237/16Two oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D237/00Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06Heterocyclic 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
    • C07D237/10Heterocyclic 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
    • C07D237/14Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH400379A 1978-05-05 1979-04-27 Process for the preparation of 3-phenyl-6-pyridazone CH639958A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782819798 DE2819798A1 (de) 1978-05-05 1978-05-05 Verfahren zur herstellung von 3-phenyl-pyridazon-(6)
AT336778A AT357547B (de) 1978-05-05 1978-05-10 Verfahren zur herstellung von 3-phenyl- pyridazon-(6)

Publications (1)

Publication Number Publication Date
CH639958A5 true CH639958A5 (en) 1983-12-15

Family

ID=25599937

Family Applications (1)

Application Number Title Priority Date Filing Date
CH400379A CH639958A5 (en) 1978-05-05 1979-04-27 Process for the preparation of 3-phenyl-6-pyridazone

Country Status (4)

Country Link
JP (1) JPS5928547B2 (enrdf_load_stackoverflow)
AT (1) AT357547B (enrdf_load_stackoverflow)
CH (1) CH639958A5 (enrdf_load_stackoverflow)
DE (1) DE2819798A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101156A3 (en) * 1982-06-24 1984-08-22 Smith Kline & French Laboratories Limited Process for preparing 6-(2-hydroxyphenyl)-3-pyridazinone
JPS63278604A (ja) * 1987-05-11 1988-11-16 Nippon Steel Corp カリバ−ロ−ルのオンライン研摩方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1105281A (en) * 1965-03-03 1968-03-06 Seperic Improvements in and relating to new pyridazone derivatives and process for preparing same
AT330195B (de) * 1974-07-30 1976-06-25 Chemie Linz Ag Verfahren zur herstellung von phenylpyridazonen
AT343125B (de) * 1976-03-24 1978-05-10 Chemie Linz Ag Verfahren zur herstellung von 3-phenylpyridazon- (6)

Also Published As

Publication number Publication date
ATA336778A (de) 1979-12-15
JPS54145685A (en) 1979-11-14
JPS5928547B2 (ja) 1984-07-13
AT357547B (de) 1980-07-10
DE2819798C2 (enrdf_load_stackoverflow) 1989-02-16
DE2819798A1 (de) 1979-11-08

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