应用： 用于和简单 α,β-不饱和酮发生 Diels-Alder 反应的高选择性有机催化剂。 Application： Catalyst for: 1.Enantioselective organocatalytic transfer hydrogenation of cycloalkenones with tert-Bu Hantzsch ester as source of hydrogen； 2.Alkylation of indoles with an α,β-disubstituted α,β-unsaturated aldehyde in the enantioselective preparation of a selective serotonin reuptake inhibitor 3.MacMillan reaction