The oxidative desulfurization approach has been utilized for the construction of oxadiazole and thiadiazole heterocycles usingiodobenzene and Oxone ® . The use of iodobenzene and the inexpensive readily available oxidant Oxone ® makes the reaction system simple and versatile for desulfurization.
compared to the standard thiourea (IC50 = 21.25 ± 0.13 μM). Amongst the potent analogs, compounds 3 (IC50 = 2.31 ± 0.01 μM), 6 (IC50 = 2.14 ± 0.04 μM), 10 (IC50 = 1.14 ± 0.06 μM), 20 (IC50 = 2.15 ± 0.05 μM), and 25 (IC50 = 0.32 ± 0.01 μM) are many folds more active than the standard. Structure-activity relationship (SAR) was rationalized by looking at the effect of diversely substituted aryl ring on inhibitory