Organocatalytic Asymmetric α‑Sulfenylation of 2‑Substituted Indolin-3-ones: A Strategy for the Synthesis of Chiral 2,2Disubstituted Indole-3-ones with S- and N‑Containing Heteroquaternary Carbon Stereocenter

Yong-Long Zhao,* Xing-Hai Fei, Yong-Qin Tang, Peng-Fei Xu, Fen-Fen Yang, Bin He, Xiao-Zhong Fu, Yuan-Yong Yang, Meng Zhou, Yuan-Hu Mao, Yong-Xi Dong, and Chun Li

https://doi.org/10.1021/acs.joc.9b01142