from imines in an organocatalytic Mannich reaction were transformed to enantio- and diastereomerically pure 1,3-aminoalcohols with two stereogenic centers via a combined reduction/dynamic kinetic asymmetric transformation. Both syn and anti diastereomers were obtained in high yield, dr, and ee.
在有机催化曼尼希反应中从
亚胺获得的 β-
氨基酮通过还原/动态动力学不对称转化的组合转化为具有两个立体中心的对映和非对映异构纯 1,3-
氨基醇。顺式和反式非对映异构体均以高产率、dr 和 ee 获得。