An entry to non-racemic β-tertiary-β-amino alcohols, building blocks for the synthesis of aziridine, piperazine, and morpholine scaffolds
作者:Aleksandra Narczyk、Sebastian Stecko
DOI:10.1039/d0ob01315c
日期:——
corresponding β,β′-dialkyl-substituted non-racemic allyl alcohols. In addition, an asymmetric synthesis of such highly substituted allylic alcohols via either enantioselective 1,2-reduction of enones, enzymatic kinetic resolution, or a functionalization of chiral propargyl alcohols, with discussion of scope and limitations of each method is reported.
报道了一种制备具有四取代C-立体中心的对映纯 β-叔氨基醇的方法,以及将它们转化为选定的药用特权杂环系统(吗啉、氮丙啶、哌嗪)的方法。这些化合物是通过氨基甲酸烯丙酯的对映特异性σ向重排作为关键步骤获得的。后者由相应的 β,β'-二烷基取代的非外消旋烯丙醇制备。此外,还报道了通过对映选择性 1,2-烯酮还原、酶动力学拆分或手性炔丙醇功能化合成这种高度取代的烯丙醇,并讨论了每种方法的范围和局限性。