General 5-Halomethyl Isoxazoline Synthesis Enabled by Copper-Catalyzed Oxyhalogenation of Alkenes
作者:Xiaoqing Li、Yu Ding、Lijie Qian、Yang Gao、Xinqiang Wang、Xinhuan Yan、Xiangsheng Xu
DOI:10.1021/acs.joc.9b02031
日期:2019.10.4
A general and efficient oxyhalogenation of unsaturated ketoximes has been achieved through copper catalysis with diethyl bromomalonate, N-chlorosuccinimide, and N-iodosuccinimide, yielding 5-chloromethyl, 5-bromomethyl, and 5-iodomethyl isoxazolines in good to excellent yields.
通过使用溴代丙二酸二乙酯,N-氯代琥珀酰亚胺和N-碘代琥珀酰亚胺进行铜催化,已实现了不饱和酮肟的一般有效氧化卤代反应,可产生5-氯甲基,5-溴甲基和5-碘甲基异恶唑啉,收率良好或优异。