Iodosobenzene tetrafluoroborate: First example of a stable electrophilic hypervalent iodine reagent without nucleophilic ligands
作者:Viktor V. Zhdankin、Rik Tykwinski、Ronald Caple、Bruce Berglund、Anatoly S. Koz'min、Nikolai S. Zefirov
DOI:10.1016/s0040-4039(00)82162-0
日期:——
Iodosobenzenetetrafluoroborate 1 ha been prepared by the reaction of PhI(OAc)2 and aquenous HBF4, and its reactions with alkenes, silyl enol ethers, and acetylenes have been studied.
A general and direct electrochemicaldimethoxylation of olefins is reported, which enables a divergent route to different products depending on the structure of olefins. The present protocol features mild conditions and broad substrate scope (49 examples) obviating the usage of transtion‐metals and external oxidants. More importantly, to rationalize the divergent route of the transformation, an ionic‐like