N-Iodo-succininide (NIS)/K 2S 2O 8 Initiated Self-Coupling of Enamides to Nitrogen-Containing Quaternary Carbon Centers
Zhou Xiaoqiang, Yan Hao, Wang Qiuya
Chinese Journal of Organic Chemistry . 2020, (7): 2142 -2147 .  DOI: 10.6023/cjoc202003032