Phosphine-Catalyzed Synthesis of 1,3-Dihydro-3-alkylidene-2 H-indol-2-ones
Jingjie Li, Yuhao Wang, Tiantian Meng, Yiyong Huang
Chinese Journal of Organic Chemistry . 2022, (7): 2222 -2228 .  DOI: 10.6023/cjoc202201030