A NEW METHOD FOR SYNTHESIS OF ALKYLIDENE SULFONES VIA DIRECT ALKYLIDENATING REACTION OF KETONES WITH<i>GEM</i>-DIBROMOMETHYL SULFONES PROMOTED BY THE Sm/SmI<sub>2</sub>SYSTEM IN THE PRESENCE OF A CATALYTIC AMOUNT OF CrCl<sub>3</sub>
作者:Yunkui Liu、Huayue Wu、Yongmin Zhang
DOI:10.1081/scc-100000178
日期:2001.1
Alkylidene sulfones were prepared in moderate to good yields via direct alkylidenating reaction of ketones with geminal dibromomethylsulfones promoted by Sm/SmI2 system in the presence of a catalytic amount of CrCl3 under mild conditions.