Unique chemoselective Strecker-type reaction of acetals with TMSCN catalyzed by MgI<sub>2</sub> etherate
作者:Hua Li、Haokun Pan、Xiangwei Meng、Xingxian Zhang
DOI:10.1080/00397911.2019.1711413
日期:2020.3.3
Abstract An efficient and convenient Strecker-type addition of various substituted aromatic acetals, heteroaromatic acetals and α, β-unsaturated acetals with trimethylsilyl cyanide (TMSCN) is achieved catalyzed by 10 mol% of MgI2 etherate (MgI2•(Et2O)n) in a mild, and high chemoselective manner with good to excellent yields. A non-coordinating reaction media (i.e., CH2Cl2) played a vital role in this
摘要 在 10 mol% MgI2 醚合物 (MgI2•(Et2O)n) 的催化下,实现了各种取代芳香族缩醛、杂芳香族缩醛和 α, β-不饱和缩醛与三甲基氰化硅烷 (TMSCN) 的高效便捷的 Strecker 型加成。温和、高化学选择性的方式,具有良好的收率。非配位反应介质(即 CH2Cl2)在该催化过程中起到了至关重要的作用。图形概要