CS214843B2 - Method of making the pure 4-amino-5-chlor-1-phenyl-6-pyridazone - Google Patents

Method of making the pure 4-amino-5-chlor-1-phenyl-6-pyridazone Download PDF

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Publication number
CS214843B2
CS214843B2 CS806192A CS619280A CS214843B2 CS 214843 B2 CS214843 B2 CS 214843B2 CS 806192 A CS806192 A CS 806192A CS 619280 A CS619280 A CS 619280A CS 214843 B2 CS214843 B2 CS 214843B2
Authority
CS
Czechoslovakia
Prior art keywords
phenyl
pyridazone
reaction
amino
sulfonic acid
Prior art date
Application number
CS806192A
Other languages
Czech (cs)
English (en)
Inventor
Winfried Richarz
Helmut Froehlich
Harald Schroeder
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of CS214843B2 publication Critical patent/CS214843B2/cs

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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)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CS806192A 1979-09-15 1980-09-11 Method of making the pure 4-amino-5-chlor-1-phenyl-6-pyridazone CS214843B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792937421 DE2937421A1 (de) 1979-09-15 1979-09-15 Verfahren zur herstellung von 4-amino-5-chlor-1-phenylpyridazon-(6)

Publications (1)

Publication Number Publication Date
CS214843B2 true CS214843B2 (en) 1982-06-25

Family

ID=6081005

Family Applications (1)

Application Number Title Priority Date Filing Date
CS806192A CS214843B2 (en) 1979-09-15 1980-09-11 Method of making the pure 4-amino-5-chlor-1-phenyl-6-pyridazone

Country Status (17)

Country Link
US (1) US4297493A (da)
EP (1) EP0026847B1 (da)
AT (1) ATE1239T1 (da)
BG (1) BG33282A3 (da)
CS (1) CS214843B2 (da)
DD (1) DD153119A5 (da)
DE (2) DE2937421A1 (da)
DK (1) DK146181C (da)
HU (1) HU184826B (da)
IL (1) IL61014A (da)
NL (1) NL971002I1 (da)
PL (1) PL121912B2 (da)
RO (1) RO80196A (da)
SU (1) SU940648A3 (da)
UA (1) UA7014A1 (da)
YU (1) YU43223B (da)
ZA (1) ZA805664B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001288A1 (en) * 1979-10-31 1981-05-14 Koege Kemisk Vaerk Method for producing 4-chloro-5-amino-2-phenyl-3(2h)-pyridazinone from 4,5-dichloro-2-phenyl-3(2h)-pyridazinone and ammonia
DE3926905A1 (de) * 1989-08-16 1991-02-21 Basf Ag Verfahren zur abtrennung und wiederverwertung von reststoffen aus dem abwasser der synthese von 5-amino-4-chlor-2-phenyl-3(2h)-pyridazinon
WO2000059891A1 (de) 1999-03-31 2000-10-12 Basf Aktiengesellschaft Verfahren zur herstellung von 4-amino-5-chlor-1-phenylpyridazinon-(6)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL245646A (da) * 1960-03-19
AT260943B (de) * 1965-05-26 1968-03-25 Pavel Dipl Ing Rapos Verfahren zur Gewinnung von reinem 5-Amino-4-chlor-2-phenylpyridazin-3-on
HU169505B (da) * 1974-05-22 1976-12-28
DD124918A1 (da) * 1976-02-27 1977-03-23
IT1096594B (it) * 1978-06-22 1985-08-26 Oxon Italia Spa Procedimento per ottenere 5-amino-4-cloro-2-fenil-3(2h)-pirid azinone esente da 5-cloro-4amino-2-fenil-3(2h)-pirida zionone da miscele dei due isomeri ed applicazione quale erbicida selettivo del prodotto ottenuto
IT1107509B (it) * 1978-07-28 1985-11-25 Oxon Italia Spa Procedimento per ottenere 4,5-dicloro-2-fenil-3(2h)-piridazinone a partire da 5-cloro-4-ammino-2-fenil-3(2h)-piridazinone

Also Published As

Publication number Publication date
DK146181B (da) 1983-07-18
UA7014A1 (uk) 1995-03-31
DK388980A (da) 1981-03-16
RO80196A (ro) 1982-12-06
DE3060595D1 (en) 1982-08-12
ATE1239T1 (de) 1982-07-15
ZA805664B (en) 1981-09-30
PL226744A2 (da) 1981-06-19
YU234280A (en) 1983-09-30
IL61014A (en) 1984-03-30
IL61014A0 (en) 1980-11-30
DD153119A5 (de) 1981-12-23
YU43223B (en) 1989-06-30
EP0026847A1 (de) 1981-04-15
NL971002I1 (nl) 1997-06-02
PL121912B2 (en) 1982-06-30
SU940648A3 (ru) 1982-06-30
DK146181C (da) 1983-12-12
EP0026847B1 (de) 1982-06-23
BG33282A3 (en) 1983-01-14
HU184826B (en) 1984-10-29
DE2937421A1 (de) 1981-04-09
US4297493A (en) 1981-10-27

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