Rh(I)-catalyzed asymmetric transfer hydrogenation of α-enamidophosphonates to α-aminophosphonates
作者:Yuting Feng、Peter Viereck、Shi-Guang Li、Youla S. Tsantrizos
DOI:10.1016/j.tet.2022.132908
日期:2022.8
An asymmetric Rh-catalyzed transfer hydrogenation was developed for the conversion of α-enamidophosphonates to α-aminophosphonates (α-APs) using isopropanol as the hydride donor. This methodology is amenable to a broad substrate scope. A library of structurally diverse α-APs was synthesized in moderate to good yield and enantiomeric excess, having a methylene moiety at Cβ and aryl, heteroaryl or alkyl
使用异丙醇作为氢化物供体,开发了一种不对称的 Rh 催化转移氢化,用于将 α-烯氨基膦酸盐转化为 α-氨基膦酸盐 (α-APs)。这种方法适用于广泛的底物范围。以中等至良好的产率和对映体过量合成了结构多样的 α-AP 文库,在 C β和芳基、杂芳基或烷基侧链上具有亚甲基部分。