Asymmetric Michael Addition Reaction of 3-Substituted Oxindoles to Nitroolefins Catalyzed by a Chiral Alkyl- Substituted Thiourea Catalyst Xin Li, Bo Zhang, Zhi-Guo Xi, Sanzhong Luo,* and Jin-Pei Cheng* Adv. Synth. Catal., 2010, 352, 416 – 424 (most accessed article) |