of 3-aminoalk-2-enimines (1) with chiral aldehydes, the structure of (4) being confirmed by an X-ray crystal structure determination of a reduction product; a new strategy for the asymmetric synthesis of β-amino ketones (2) and γ-amino alcohols (6) with two or three chiral centres is described.
通过3-
氨基烷基-2-
亚胺(1)与手性醛的反应合成了手性1,2-二氢-(3)和1,2,3,6-四氢
嘧啶(4),结构为(4通过还原产物的X射线晶体结构测定证实;描述了一种不对称合成具有两个或三个手性中心的β-
氨基酮(2)和γ-
氨基醇(6)的新策略。