Electrophilic additions of iodosylbenzene activated by trifluoromethanesulfonic acid, [PhIO-TfOH], to alkynes
A reagent [PhIO-TfOH] prepared by mixing iodosylbenzene and triflic acid undergoes electropholic addition to various alkynes under mild conditions. The addition is a highly stereoselective anti-addition and provides (E)-[β-(trifluoromethanesulfonyloxy)vinyl]iodonium triflates in good to high yields.
Kitamura,Furuki,Taniguchi,Stang
p. 7149 - 7156
(2007/10/02)
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