Tandem Synthesis of 3-Halo-5-Substituted Isoxazoles from 1-Copper(I) Alkynes and Dihaloformaldoximes
作者:Wenwen Chen、Bo Wang、Nan Liu、Dayun Huang、Xinyan Wang、Yuefei Hu
DOI:10.1021/ol503008t
日期:2014.12.5
A tandem synthesis of 3-halo-5-substituted isoxazoles has been developed from 1-copper(I) alkynes and dihaloformaldoximes under base-free conditions. Thus, 1,3-dipolar cycloaddition and all its drawbacks can now be avoided completely.