In the asymmetric epoxidation of homoallylic alcohols, a combination of zirconium tetrapropoxide, dicyclohexyltartramide, and t-butyl hydroperoxide was found to give good enantiomeric selectivities (up to 77% ee) especially for (Z)-homoallylic substrates.
在同性邻
丙醇的不对称环氧化反应中,发现四烷基
锆、二环己基酒石酰胺和
叔丁基过氧化氢的组合能够获得良好的对映选择性(最高可达77% ee),尤其适用于(Z)-同性邻丙基底物。