A Copper‐Catalyzed, pH‐Neutral Construction of High‐Enantiopurity Peptidyl Ketones from Peptidic
<i>S</i>
‐Acylthiosalicylamides in Air at Room Temperature
作者:Lanny S. Liebeskind、Hao Yang、Hao Li
DOI:10.1002/anie.200804524
日期:2009.2.9
A copper‐catalyzed transformation of peptidic thiol esters and boronic acids gives peptidylketones and takes place in DMF or DMF/H2O at roomtemperature in air (see scheme). This aerobic reaction only occurs at a thiol ester group capable of coordinating to Cu through its appendage on the sulfur center and is not hampered by racemization of the reactants or products.
肽硫羟酸酯和硼酸的铜催化转化产生肽基酮,并在室温空气中的 DMF 或 DMF/H 2 O 中发生(参见方案)。这种需氧反应仅发生在能够通过硫中心上的附属物与Cu配位的硫羟酸酯基团处,并且不受反应物或产物的外消旋作用的阻碍。