Anhydride acylatlon reactlons of a varlety of substituted arylhydrazines under mlld condltlons led to controlled formation of the acld phenylhydrazides I (Table I). The procedures were tailored to the particular state of the startlng arylhydrarlne. Second-stage acylatlon of phenylhydrazldes convenlently produced the N,N'dlacylphenylhydrarines II (Table II), In whlch the acyl groups were the same or nonldentlcal. p acylatlon of phenylhydrazine resulted In slgniflcant changes ...
