Non-cross-linked Polystyrene Supported Cyclosulfamide: A New Chiral Auxiliary for Highly Stereoselective Alkylation Reactions
LU Taotao, NIE Junqi, CHEN Zuxing, YANG Guichun, LU Cuifen
Chemical Research in Chinese Universities . 2014, (6): 1051 -1056 .  DOI: 10.1007/s40242-014-4212-x