参考文献:10.1007/s10593-016-1938-z 摘要:Xiang J, Zhu T, Dang Q, Bai X. Electronic Effects on the cis/trans Selectivity in Formation of Isoxazolidine-Fused Eight-Membered Ring via an Intramolecular Nitrone-Alkene Cycloaddition. Chemistry of Heterocyclic Compounds. 2016 Aug;52(8):601–8. doi: 10.1007/s10593-016-1938-z.