Isolated methyl trifluoromethyl dioxirane 4b has been employed to achieve the rapid, low temperature epoxidation of enol ethers, such as alkoxy(aryl)methylidene adamantanes 1a–e and methoxy(2-naphthyl)methylidene 2-bornane 1f, affording the corresponding spirooxiranes in excellent (92–97%) yields.
分离出的甲基三
氟甲基
二环氧乙烷4b已用于实现烯醇醚(如烷氧基(芳基)亚甲基
金刚烷1a-e和甲氧基(2-
萘基)亚甲基2-bornane 1f)的快速低温环氧化,可提供出色的相应螺并氧杂
环戊烷(92–97%)的收成。