4-Chloro-5-(1-methylhydrazinyl)-2-[3-(trifluoromethyl)phenyl]-3(2H)-pyridazinone → HCID 21485872, compound

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Reaction Steps

Following the process of example 4 and using an equivalent amount of the 4-chloro-2-(3-trifluoromethylphenyl)-5-(1-methyl-2-benzylidenehydrazino)-pyridazin-3(2H)-one above in place of the 4-chloro-2-(3-trifluoromethylphenyl)-5-(1-methylhydrazino)-pyridazin-3(2H)-one used therein there is obtained 2-(3-trifluoromethylphenyl)-5-(1-methyl-2-benzylhydrazino)-pyridazin-3(2H)-one, (m.p. 89° to 90° C).

Provenance & Evidence