Shi Dongpo, Yin Xianqing, Zheng Yan-cheng, Chen Wu, Fu Jiaxin, Ren Zhaohua
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Transition Metal-free Epoxidation of Alkenes Based on the Existence of (2- hydroxypropyl)-β-CD
A green, efficient epoxidation of alkenes with hydrogen peroxide (H2O2) and sodium bicarbonate (NaHCO3) catalyzed by (2-hydroxypropyl)--cyclodextrin (2-hp--CD) in aqueous solution has been investigated in detail. A range of alkenes were epoxidized at ambient temperature with high yields.