Arylsulfonylative spiro-Tricyclization of N-Hydroxylethyl- N-arylpropiolamides
Shangfeng Ren, Yuchao Wang, Jinbiao Liu, Guanyinsheng Qiu
Chinese Journal of Organic Chemistry . 2021, (9): 3652 -3659 .  DOI: 10.6023/cjoc202104046