We firstly describe a catalyst-free direct ring-opening of cyclic aldimines with abundant aliphatic primary amines to construct o-hydroxy schiff bases under mild reaction conditions. The corresponding products were generated in good to excellent yields (80–99%). In addition, a gram-scale reaction and further application of the reaction strategy were performed.
我们首先描述了在温和的反应条件下,环状醛
亚胺与丰富的脂肪族
伯胺无催化剂直接开环以构建邻羟基席夫碱。相应产品的产率从良好到优异(80-99%)。此外,还进行了克级反应和反应策略的进一步应用。