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

Table 4

Synthesis of homoallylic alcohols by allylation of 6a,b with allylbromide (alcohols 7a,b) and cinnamyl bromide (alcohols 8a,b) as outlined in Scheme 4.

Compound	R	Ultrasonic irradiation		Conventional heating, 50^°C
		Time (h)	Yield (%)	Time (h)	Yield (%)
7 a	PhSO2	1.5	95	12	83
7b	F	1.5	96	12	85
8a	PhSO2	3	91	12	80
8b	F	3	89	12	75