BE877936A - Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one - Google Patents

Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one

Info

Publication number
BE877936A
BE877936A BE0/196488A BE196488A BE877936A BE 877936 A BE877936 A BE 877936A BE 0/196488 A BE0/196488 A BE 0/196488A BE 196488 A BE196488 A BE 196488A BE 877936 A BE877936 A BE 877936A
Authority
BE
Belgium
Prior art keywords
phenympyridazine
pyridazine
dichloro
chloro
phenyl
Prior art date
Application number
BE0/196488A
Other languages
English (en)
Original Assignee
Oxon Italia Spa
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 Oxon Italia Spa filed Critical Oxon Italia Spa
Publication of BE877936A publication Critical patent/BE877936A/fr

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
    • C07D237/22—Nitrogen and oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Plural Heterocyclic Compounds (AREA)
BE0/196488A 1978-07-28 1979-07-27 Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one BE877936A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT83624/78A IT1107509B (it) 1978-07-28 1978-07-28 Procedimento per ottenere 4,5-dicloro-2-fenil-3(2h)-piridazinone a partire da 5-cloro-4-ammino-2-fenil-3(2h)-piridazinone

Publications (1)

Publication Number Publication Date
BE877936A true BE877936A (fr) 1979-11-16

Family

ID=11323300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/196488A BE877936A (fr) 1978-07-28 1979-07-27 Procede d'obtention de la 4,5-dichloro-2-phenyl-pyridazine-3(2h)-one a partir de la 5-chloro-4-amino-2-phenympyridazine-3(2h)-one

Country Status (17)

Country Link
US (1) US4237287A (fr)
JP (1) JPS5520787A (fr)
AT (1) AT367413B (fr)
BE (1) BE877936A (fr)
BR (1) BR7904765A (fr)
CA (1) CA1119173A (fr)
CH (1) CH640839A5 (fr)
DK (1) DK146204C (fr)
ES (1) ES482895A1 (fr)
FR (1) FR2432020A1 (fr)
GB (1) GB2027704B (fr)
IL (1) IL57771A (fr)
IT (1) IT1107509B (fr)
NL (1) NL7905411A (fr)
SE (1) SE433077B (fr)
SU (1) SU991946A3 (fr)
YU (1) YU41167B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937421A1 (de) * 1979-09-15 1981-04-09 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 4-amino-5-chlor-1-phenylpyridazon-(6)

Also Published As

Publication number Publication date
SU991946A3 (ru) 1983-01-23
NL7905411A (nl) 1980-01-30
SE7906416L (sv) 1980-01-29
GB2027704A (en) 1980-02-27
YU41167B (en) 1986-12-31
DK146204B (da) 1983-07-25
FR2432020B1 (fr) 1984-08-10
CH640839A5 (it) 1984-01-31
ATA516779A (de) 1981-11-15
IT7883624A0 (it) 1978-07-28
FR2432020A1 (fr) 1980-02-22
DK146204C (da) 1983-12-27
SE433077B (sv) 1984-05-07
GB2027704B (en) 1982-11-17
DK318979A (da) 1980-01-29
US4237287A (en) 1980-12-02
ES482895A1 (es) 1980-04-01
CA1119173A (fr) 1982-03-02
IL57771A (en) 1983-03-31
IL57771A0 (en) 1979-11-30
IT1107509B (it) 1985-11-25
JPS6242899B2 (fr) 1987-09-10
YU182979A (en) 1983-01-21
BR7904765A (pt) 1980-04-22
AT367413B (de) 1982-07-12
JPS5520787A (en) 1980-02-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: OXON ITALIA S.P.A.

Effective date: 19920731