作者:M. Teresa Barros、Suvendu S. Dey、Christopher D. Maycock、Paula Rodrigues
DOI:10.1016/j.tet.2012.05.054
日期:2012.8
A wide range of N-phenylated secondary amines were prepared directly from 2-oxo-7-azobicyclo[4.1.0]heptanes using 4-nitrobenzoic acid as acid catalyst. The intermediate enol esters could also be isolated under similar conditions. A catalytic cycle is proposed.
使用4-硝基苯甲酸作为酸催化剂,直接由2-氧代-7-偶氮二环[4.1.0]庚烷制备各种N-苯基化的仲胺。中间体烯醇酯也可以在相似条件下分离。提出了催化循环。