The scheme of this work involves synthesis and evaluation the biological activity of some new 1,3,4-oxadiazole compounds derived from 3-nitrobenzoic acid as starting material. This work is divided into four parts:
The scheme of this work involves synthesis of different five and six membered heterocyclic rings starting from 4-bromobenzoic hydrazide which was synthesized from their carboxylic acid.
This work is divided into four different parts:
First part:
The scheme of this work involves synthesis of different five and six membered heterocyclic rings starting from isonicotinic acid hydrazide and p-hydroxy methylbenzoate .This work is divided into seven different parts and the reaction steps for part are summarized in the comprehensive scheme.
First part:
