Highly Enantioselective Aziridination
of N-Protected Imines: Comparison of the Phosphazene EtP<sub>2</sub> and
Sodium Hydride as Bases
作者:Zdenko Hameršak、Irena Stipetić、Marin Roje
DOI:10.1055/s-0028-1087367
日期:——
Asymmetric synthesis of 2,3-disubstituted N-Boc, N-SES, and N-Ts aziridines starting from N-protected imines, using sulfonium salt derived from Eliel’s oxathiane, is reported. Sodium hydride was successfully used as a substitute for the phosphazene base EtP2 without any loss of yield, enantioselectivity, or diastereoselectivity.
报告利用从 Eliel's oxathiane 提取的锍盐,以 N 保护亚胺为起点,不对称地合成了 2,3-二取代的 N-Boc、N-SES 和 N-Ts 氮丙啶。氢化钠被成功地用作膦烷基 EtP2 的替代物,而产量、对映选择性和非对映选择性没有任何损失。