An efficient enantioselective synthesis of cyclic α-aminophosphonates via multicomponent reactions of 2-alkynylbenzaldehydes, amines, and dimethylphosphonate has been developed with the use of a chiral silver spirocyclic phosphate as the catalyst. This protocol provides straightforward access to a series of chiral C1-phosphonylated 1,2-dihydroisoquinoline derivatives with high yields (up to 99%) and
                                    已经通过使用手性螺环型环状
磷酸银开发了通过2-炔基
苯甲醛,胺和二
甲基膦酸酯的多组分反应的环状α-
氨基膦酸酯的有效对映选择性合成。该方案可直接获得一系列手性C1-膦酰基化的1,2-二氢
异喹啉衍
生物,具有高收率(高达99%)和高对映选择性(高达94%ee),适用于广泛的底物范围。产物可以进一步转化为高密度官能化的化合物和相应的α-
氨基膦酸。