perhydroindole derivatives were synthesized in good yields and evaluated as chiral catalysts in the asymmetric Michael reaction of aldehydes to nitroalkenes. (2S,3aS,7aS)-Diphenylperhydroindolinol silyl ether 10 facilitated the reaction of a wide range of aldehyde and nitroalkene substrates, providing Michael adducts in nearly optically pure form (99% ee), good yields and high diastereoselectivities (syn/anti
                                    以高收率合成了新的二氢
吲哚和全氢
吲哚衍
生物,并在醛与硝基烯的不对称迈克尔反应中作为手性催化剂进行了评估。(2S,3aS,7aS)-二苯基过氢
吲哚酚甲
硅烷基醚10促进了广泛的醛和硝基烯烃底物的反应,提供了近光学纯净形式(99%ee)的迈克尔加合物,良好的收率和高非对映选择性(顺/反高达99:1)。这些结果首次表明,全氢
吲哚衍
生物也可以是用于不对称迈克尔反应的高效有机催化剂,表现出与脯
氨酸衍
生物相当或更高的对映选择性。