Comparative Studies on Conventional and Ultrasound-Assisted Synthesis of Novel Homoallylic Alcohol Derivatives Linked to Sulfonyl Dibenzene Moiety in Aqueous Media

Table 1

Synthesis of homoallylic alcohols by allylation of 1a,b with allylbromide (alcohols 2a,b) and cinnamyl bromide (alcohols 3a,b) as outlined in Scheme 1.

Compound	R	Ultrasonic irradiation		Conventional heating, 50^°C
		Time (h)	Yield (%)	Time (h)	Yield (%)
2 a	H	3	92	12	75
2b	CH3	3	90	12	70
3a	H	5	93	24	73
3b	CH3	5	89	24	70