various nitroolefins are shown to proceed with high diastereo- and enantioselectivity when catalyzed by a quinine-derived thiourea-tertiary amine bifunctional catalyst and generate α,γ-diaminophosphonic acid precursors with contiguous quaternary and tertiary stereocenters.
                                    当由
奎宁衍生的
硫脲-叔胺双官能催化剂催化并生成具有连续的季和叔立体中心的α,γ-二
氨基膦酸前体时,显示出将α-取代的硝基
膦酸酯迈克尔加成到各种硝基烯烃上具有高的非对映选择性和对映选择性。