Regioselectivity of the rearrangement of propionic acid N,N-diarylhydrazides under the conditions of the kost reaction
The transformation of propionic acid N,N-diarylhydrazides with electron-donor and electron-acceptor substituents in the aromatic rings under the conditions of the Kost reaction was studied. The ratios of the resulting isomeric N-aryl-2-aminoindoles were determined.