Tin Powder-Promoted “One-Pot” Synthesis of α-Methylene- γ-butyrolactones
Yang Zheng, Huang Danfeng, Wen Lan, Wang Juanjuan, Wang Kehu, Hu Yulai
Chin. J. Org. Chem. . 2018, (7): 1725 -1732 .  DOI: 10.6023/cjoc201801021