An efficient, one-pot, three-component procedure for the synthesis of chiral spirooxindolopyrrolizidines via catalytic highly enantioselective 1,3-dipolar cycloaddition
作者:Farbod Salahi、Mohammad Javad Taghizadeh、Hamid Arvinnezhad、Mehdi Moemeni、Khosrow Jadidi、Behrouz Notash
DOI:10.1016/j.tetlet.2013.11.097
日期:2014.2
The catalytic, highly regio-, diastereo-, and enantioselective synthesis of a small library of chiral spirooxindolopyrrolizidines via a three-component 1,3-dipolar cycloaddition reaction of azomethine ylides, derived from isatin, with electron-deficient dipolarophiles, 3-(2-alkenoyl)-1,3-oxazolidin-2-ones, is described. A chiral copper(II) complex of cyclohexane-1,2-bis(arylmethyleneamine) catalyzed
催化的,高度区域,非对映体和对映体选择性的手性螺环氧杂吡咯并吡咯并核苷的小型文库,是通过三组分1,3-偶极环加成反应从衍生自偶氮的亚甲基次甲基,与电子缺陷的偶极亲和体3-(2描述了-(链烯酰基)-1,3-恶唑烷丁-2-酮。室温下,环己烷-1,2-双(芳基亚甲基胺)的手性铜(Ⅱ)配合物催化了该过程。基于环加合物的绝对构型的分配来讨论反应机理。