DE2928468A1 - Verfahren zur herstellung von 4,5- dichlor-2-phenyl-3-(2h)-pyridazinon aus 4-amino-5-chlor-2-phenyl-3(2h)-pyridazinon - Google Patents

Verfahren zur herstellung von 4,5- dichlor-2-phenyl-3-(2h)-pyridazinon aus 4-amino-5-chlor-2-phenyl-3(2h)-pyridazinon

Info

Publication number
DE2928468A1
DE2928468A1 DE19792928468 DE2928468A DE2928468A1 DE 2928468 A1 DE2928468 A1 DE 2928468A1 DE 19792928468 DE19792928468 DE 19792928468 DE 2928468 A DE2928468 A DE 2928468A DE 2928468 A1 DE2928468 A1 DE 2928468A1
Authority
DE
Germany
Prior art keywords
chloro
phenyl
pyridazinone
amino
isomer
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.)
Granted
Application number
DE19792928468
Other languages
German (de)
English (en)
Other versions
DE2928468C2 (fi
Inventor
Raimondo Motta
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.)
Oxon Italia SpA
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 DE2928468A1 publication Critical patent/DE2928468A1/de
Application granted granted Critical
Publication of DE2928468C2 publication Critical patent/DE2928468C2/de
Granted legal-status Critical Current

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
    • C07D237/14—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE19792928468 1978-07-28 1979-07-13 Verfahren zur herstellung von 4,5- dichlor-2-phenyl-3-(2h)-pyridazinon aus 4-amino-5-chlor-2-phenyl-3(2h)-pyridazinon Granted DE2928468A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8326478 1978-07-28

Publications (2)

Publication Number Publication Date
DE2928468A1 true DE2928468A1 (de) 1980-02-07
DE2928468C2 DE2928468C2 (fi) 1988-09-08

Family

ID=11319752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792928468 Granted DE2928468A1 (de) 1978-07-28 1979-07-13 Verfahren zur herstellung von 4,5- dichlor-2-phenyl-3-(2h)-pyridazinon aus 4-amino-5-chlor-2-phenyl-3(2h)-pyridazinon

Country Status (1)

Country Link
DE (1) DE2928468A1 (fi)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Angew. Chemie 77, 1965, S.282-290 *

Also Published As

Publication number Publication date
DE2928468C2 (fi) 1988-09-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: WEICKMANN, H., DIPL.-ING. FINCKE, K., DIPL.-PHYS.

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee