Synthesis of Five-Membered Cyclic Nitrones   Based on the Lewis Acid-Catalysed [3+2]-Annulation Reaction of Donor–Acceptor   Cyclopropanes with 1,4,2-Dioxazoles

Zhe-Hao Wang, Huan-Huan Zhang,* Peng-Fei Xu   and Yong-Chun Luo*

https://doi.org/10.1039/C8CC04656E