5-alkyl-1-phenyl-2-piperazinoalkylpyrazolin-3-one compounds,...

Details 5-alkyl-1-phenyl-2-piperazinoalkylpyrazolin-3-one compounds,... 5-alkyl-1-phenyl-2-piperazinoalkylpyrazolin-3-one compounds,...

C - Chemistry, Metallurgy

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C07D 401/14 (2006.01) C07D 231/22 (2006.01) C07D 401/12 (2006.01) C07D 403/06 (2006.01) C07D 405/14 (2006.01) C07D 498/04 (2006.01)

Patent

CA 1247101

ABSTRACT OF THE DISCLOSURE 5-alkyl-1-phenyl-2-piperazinoalkylpyrazolin-3- one compounds of the Formula Image I in which R1 is a straight-chain, branched or cyclic alkyl group with up to 6 carbon atoms, Z is an alkylene chain with 2 to 4 carbon atoms, and 1-phenyl substi- tuent is an optionally substituted phenyl ring, and R4 is a phenyl or pyridyl group which is optionally substituted and their preparation are described. The compounds have pharmacological, particularly antiallergic, properties. -53-

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