Research Article

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

Table 3

Sulfonation of 5a to 6a (second reaction in Scheme 3) with CuI, but screened for different bases under ultrasound irradiation.

BaseTime (h)Yield (%)

None611
Et3N625
K2CO3650
Piperidine639
2,6-lutidine193