Copper(i) mediated cross-coupling of amino acid derived organozinc reagents with acid chlorides
作者:Thomas Hjelmgaard、David Tanner
DOI:10.1039/b601996j
日期:——
copper-mediated cross-coupling of amino acid derived beta-amido-alkylzinc iodides 1 and 3 with a range of acid chlorides. The present method uses CuCN.2LiCl as the copper source and for organozinc reagent 1 the methodology appears to be limited to reaction with more stable acid chlorides, providing the desired products in moderate yields. When applied to organozinc reagent 3, however, the protocol is more
本文描述了一种直接的实验方案的开发,该方案用于铜介导的氨基酸衍生的β-酰胺基-烷基锌碘化物1和3与一系列酰氯的交叉偶联。本方法使用CuCN.2LiCl作为铜源,对于有机锌试剂1,该方法似乎仅限于与更稳定的酰氯反应,以中等收率提供所需的产物。但是,当将其应用于有机锌试剂3时,该方案更为通用,在除一种情况外的所有情况下,均以高收率提供了产品。