2022-11-14 | Enantioselective Synthesis of Quaternary Oxindoles: Desymmetrizing Staudinger–Aza-Wittig Reaction Enabled by a Bespoke HypPhos Oxide Catalyst – J. Am. Chem. Soc. Changmin Xie, Jacob Kim, Binh Khanh Mai, Shixuan Cao, Rong Ye, Xin-Yi Wang, Peng Liu, and Ohyun Kwon*.