3-aminocarbonylmethoxy-5-phenylpyrazole compounds, antiarrythmic compositions containing them, and intermediates in their preparation

摘要

3-(aminoalkylaminocarbonylmethoxy)-5-phenylpyrazole compounds corresponding to the formula: <IMAGE> in which R1, R2, R5, R6, R7, and R8 and R9 may be hydrogen or lower alkyl groups, or R5 with R6 and/or R8 with R9 may also form specified cyclic groups, R3 and R4 may be hydrogen, halogen, lower alkyl, lower alkoxy, trifluoromethyl, nitro, hydroxy or alkylene dioxy, and Z represents an alkylene chain or the 2-hydroxypropylene chain. The compounds possess pharmacological, in particular antiarrhythmic, properties.