More than a Leaving Group:
<i>N</i>
‐Phenyltrifluoroacetimidate as a Remote Directing Group for Highly α‐Selective 1,2‐
<i>cis</i>
Glycosylation
作者:Xianglai Liu、Yingying Song、Ao Liu、Yueer Zhou、Qian Zhu、Yetong Lin、Huiyong Sun、Kaidi Zhu、Wei Liu、Ning Ding、Weijia Xie、Haopeng Sun、Biao Yu、Peng Xu、Wei Li
DOI:10.1002/anie.202201510
日期:2022.5.16
An N-phenyltrifluoroacetimidoyl group at O6 was found to be highly stereodirecting for the challenging 1,2-cis α-glycosylation. Its remote participation is supported by characterization of the crucial 1,6-bridged bicyclic cation intermediates as well as other experimental evidence.
发现 O6 处的N-苯基三氟乙亚氨基酰基对具有挑战性的 1,2-顺式α-糖基化具有高度立体定向性。它的远程参与得到了关键 1,6-桥双环阳离子中间体的表征以及其他实验证据的支持。