Asymmetric Intramolecular Oxa-Michael Reactions of Cyclohexadienones Catalyzed by a Primary Amine Salt. - Wu, Wenbin; Li, Xin; Huang, Huicai; Yuan, Xiaoqian; Lu, Junzhu; Zhu, Kailong; Ye, Jinxing (Angewandte Chemie, 2013)