Palladium‐Catalyzed Isocyanide Insertion with Allylic Esters: Synthesis of
<i>N</i>
‐(But‐2‐enoyl)‐
<i>N</i>
‐(
<i>tert</i>
‐butyl)benzamide Derivatives
<i>via</i>
Intramolecular Acyl Transfer Termination
作者:Si Chen、Wan‐Xu Wei、Jia Wang、Yu Xia、Yi Shen、Xin‐Xing Wu、Huanwang Jing、Yong‐Min Liang
DOI:10.1002/adsc.201700765
日期:2017.10.25
reaction via the palladium-catalyzed insertion of isocyanide has been established. Isocyanides were inserted into C−O bond under mild conditions, using the readily available allyl ester as the starting materials. In addition, the intramolecular acyl transfer from the ester group oxygen atom to the isocyanide nitrogen atom afforded imide derivatives in moderate to excellent yields. Additionally, this
已经建立了经由钯催化的异氰酸酯插入的新颖且前所未有的分子内酰基转移反应。使用容易获得的烯丙基酯作为起始原料,在温和的条件下将异氰酸酯插入到C-O键中。另外,从酯基团氧原子到异氰酸酯氮原子的分子内酰基转移以中等至优异的产率提供了酰亚胺衍生物。此外,此转换已被验证为具有操作简单的条件和出色的官能团兼容性。