NEUE 1,4-DIHYDRO-PYRIDAZIN-DERIVATE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG IN ARZNEIMITTELN

NEUE 1,4-DIHYDRO-PYRIDAZIN-DERIVATE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG IN ARZNEIMITTELN

The derivatives have the general formula (I) with the definitions of R1, R2, R3 and R4 and X given in the description, and are prepared by reacting dihydropyridazines of the formula II with halogenating agents in the presence of inert organic solvents, where appropriate followed by cyclisation, and...

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Bibliographische Detailangaben
Hauptverfasser: FRANCKOWIAK,GERHARD,.DR, THOMAS,GUENTER,DR, GROSS,RAINER,DR, SCHRAMM,MATTHIAS,DR, WEHINGER,EGBERT,.DR
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Zusammenfassung:The derivatives have the general formula (I) with the definitions of R1, R2, R3 and R4 and X given in the description, and are prepared by reacting dihydropyridazines of the formula II with halogenating agents in the presence of inert organic solvents, where appropriate followed by cyclisation, and can be used as medicaments.