INTRODUCTION 1)uring the course of investigations under way in this laboratory it becaine necessary to prepare several mono- and di-acylated phenylhydrazines in which the specific position of the acyl group(s) on the nitrogen atom(s) was known with certainty. A promising method for this structural determination was thought to be a mild reductive cleavage of the nitrogen-nitrogen bond which would leave the amide linkage undisturbed. Re- ductive cleavage of the ...
