The reaction between sodium trifluoromethanesulfinate, which was prepared from trifluorome- thyl bromide, with bromine in aqueous solution resulted in the formation of trifluoromethanesulfonyl bromide (CF_3SO_2Br). CF...The reaction between sodium trifluoromethanesulfinate, which was prepared from trifluorome- thyl bromide, with bromine in aqueous solution resulted in the formation of trifluoromethanesulfonyl bromide (CF_3SO_2Br). CF_3SO_2Br reacted with alkenes and alkyne to give the corresponding adducts with the loss of SO_2 in good yields, and with compounds containing active hydrogen to give brominated derivatives. A radical reaction mechanism was proposed and confirmed by EPR study.展开更多
基金partially supported by the National Natural Science Foundation of China.
文摘The reaction between sodium trifluoromethanesulfinate, which was prepared from trifluorome- thyl bromide, with bromine in aqueous solution resulted in the formation of trifluoromethanesulfonyl bromide (CF_3SO_2Br). CF_3SO_2Br reacted with alkenes and alkyne to give the corresponding adducts with the loss of SO_2 in good yields, and with compounds containing active hydrogen to give brominated derivatives. A radical reaction mechanism was proposed and confirmed by EPR study.
