概述了碲及硒叶立德在立体选择性小环化反应中的应用,包括环丙烷化反应、环氧化反应、氮杂环丙烷化反应等.
Recent progress in the application of selenonium and telluronium ylide in the stereoselective formation of three-membered ring compounds, such as cyclopropanation, epoxidation, and aziridination are summarized.