[Table/Fig-2]:

Data of synthesized thiadiazole compounds.

Sl. No	R1	R2	R3	R4	M.P C	Traditional		Ultra-sonication
						Time (hr)	Yield (%)	Time (min)	Yield (%)
4a	H	H	H	H	278	3	54	30	63
4b	Cl	Cl	H	H	184	3	52	28	60
4c	Cl	H	Cl	H	256	3	55	27	61
4d	H	Cl	H	Cl	238	3	53	29	62
4e	H	OCH3	H	H	212	3	52	28	60
4f	H	H	CH3	H	160	3	53	28	63
4g	CH3	H	H	H	206	3	54	28	65
4h	H	H	Cl	H	210	3	53	30	64
4i	H	H	F	H	252	3	55	30	65