PROCESS FOR PREPARING PYRIDAZINE DERIVATIVES WHICH ARE ACTIVE ON THE CENTRAL NERVOUS SYSTEM

The invention relates to the pyridazine derivatives of the formula: Ia or Ib in which R1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a thien-2-yl group, a thien-3-yl group or an indol-3-yl group, R2 is H or an alkyl or phenyl group, R3 is H, an alkyl, or...

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Bibliographic Details
Main Authors GEORGES, CAMILLE, BIZIERE, KATHLEEN, CHAMBON, JEAN P
Format Patent
LanguageEnglish
Korean
Published 31.01.1991
Edition5
Subjects
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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Summary:The invention relates to the pyridazine derivatives of the formula: Ia or Ib in which R1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a thien-2-yl group, a thien-3-yl group or an indol-3-yl group, R2 is H or an alkyl or phenyl group, R3 is H, an alkyl, or phenyl group in formula Ib and a cyano group in formula Ia, and Alk is (CH2)n where n is 2, 3 or 4, or -CH2-C=C-, and X- is halide, a process for the preparation of the said products and their application as medicaments.
Bibliography:Application Number: KR19840000335