A New Protocol for <i>in Situ</i> Dioxirane Reactions: Stoichiometric in Oxone and Catalytic in Fluorinated Acetophenones
作者:Wei Li、Philip L. Fuchs
DOI:10.1021/ol0348957
日期:2003.8.1
[reaction: see text] Dioxiranes made in situ from the commercially available tetrafluoroacetophenones (7, 8) and pentafluoroacetophenone (9) are reported for highly efficient epoxidation of olefins for the first time. Studies showed that ketone 7, 8, or 9 can be used in catalytic amount (0.2 equiv) with only 0.6 equiv of Oxone (equal to 1.2 equiv of peroxymonosulfate) to selectively oxidize diene 1