Abstract
The synthesis of 3, 5-diarylthiazolo{2, 3-c}-s-triazoles (3a-f) has been accomplished by using a new method involving oxidation of arenecarbaldehyde-4-arylthiazol-2-ylhydrazones (2a-f) with iodobenzene diacetate (IBD) in dichloromethane by intramolecular cyclization in high yields.