NL7905411A - Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. - Google Patents

Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. Download PDF

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Publication number
NL7905411A
NL7905411A NL7905411A NL7905411A NL7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A NL 7905411 A NL7905411 A NL 7905411A
Authority
NL
Netherlands
Prior art keywords
pyridazinone
phenyl
formula
dichloro
pca
Prior art date
Application number
NL7905411A
Other languages
English (en)
Dutch (nl)
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 NL7905411A publication Critical patent/NL7905411A/nl

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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
    • C07D237/22Nitrogen and oxygen atoms

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  • 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)
NL7905411A 1978-07-28 1979-07-11 Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon. NL7905411A (nl)

Applications Claiming Priority (2)

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
IT8362478 1978-07-28

Publications (1)

Publication Number Publication Date
NL7905411A true NL7905411A (nl) 1980-01-30

Family

ID=11323300

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7905411A NL7905411A (nl) 1978-07-28 1979-07-11 Werkwijze voor het bereiden van 4,5-dichloor-2-fenyl- -3(2h)-pyridazinon.

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
IT1107509B (it) 1985-11-25
ES482895A1 (es) 1980-04-01
CA1119173A (fr) 1982-03-02
BR7904765A (pt) 1980-04-22
US4237287A (en) 1980-12-02
DK146204C (da) 1983-12-27
AT367413B (de) 1982-07-12
YU182979A (en) 1983-01-21
ATA516779A (de) 1981-11-15
YU41167B (en) 1986-12-31
GB2027704B (en) 1982-11-17
SE7906416L (sv) 1980-01-29
DK146204B (da) 1983-07-25
JPS5520787A (en) 1980-02-14
DK318979A (da) 1980-01-29
IL57771A (en) 1983-03-31
IT7883624A0 (it) 1978-07-28
CH640839A5 (it) 1984-01-31
FR2432020A1 (fr) 1980-02-22
GB2027704A (en) 1980-02-27
BE877936A (fr) 1979-11-16
SE433077B (sv) 1984-05-07
IL57771A0 (en) 1979-11-30
JPS6242899B2 (fr) 1987-09-10
SU991946A3 (ru) 1983-01-23
FR2432020B1 (fr) 1984-08-10

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed