Thirty new pyrazole acylhydrazine derivatives containing carboxylate,
sulfonylate, hydrazone and dipyrazole ketone were synthesized from the
intermediate 1,3,4-substituted-5-pyrazole carboxylic hydrazide (7, 8)
. Their structures were confirmed by H-1 NMR and elemental analysis. T
he preliminary biological tests showed that several compounds have som
e fungicidal and herbicidal activity.