An Efficient Synthesis of New 2-Aryl-5-phenylazenyl-1,3,4-oxadiazole Derivatives from N, N' -Diarylcarbonohydrazides

Article abstract of DOI:10.1055/s-0037-1610105

A series of new 1,3,4-oxadiazoles conjugated to aromatic substituents by an azo linker was synthesized in a four-step reaction sequence, involving cyclodehydration of a N, N' -diacylhydrazine fragment and dehydrogenation of the neighboring hydrazine fragm