Chemo- and Enantioselective Reduction of α-Keto Amides to α-Hydroxy Amides using Reusable CuO-Nanoparticles as Catalyst
作者:Gollapalli Narasimha Rao、Govindasamy Sekar
DOI:10.1021/acs.joc.3c00090
日期:2023.3.17
(CuO-NPs) and (R)-(−)-DTBM SEGPHOS catalyzed chemo- and enantioselective reduction of α-keto amides to α-hydroxy amides has been developed. The scope of the reaction has been studied with various α-keto amides containing electron-donating and electron-withdrawing groups affording the enantiomerically enriched α-hydroxy amides in good yields with excellent enantioselectivity. The CuO-NPs catalyst has been
已开发出一种高效、可商购且可重复使用的氧化铜纳米颗粒 (CuO-NPs) 和 ( R )-(−)-DTBM SEGPHOS 催化化学选择性和对映选择性还原 α-酮酰胺为 α-羟基酰胺。已经研究了各种含有给电子基团和吸电子基团的 α-酮基酰胺的反应范围,以良好的收率和出色的对映选择性提供对映体富集的 α-羟基酰胺。CuO-NPs 催化剂已被回收并重复使用多达四个催化循环,而粒径、反应性和对映选择性没有任何显着变化。