Monodentate phosphorus-coordinated palladium(II) complexes as new catalyst for Mizoroki-Heck reaction of aryl halides with electron-deficient olefins
作者:Fang Zhao、Li Xin、Yingying Zhang、Xuefeng Jia
DOI:10.1016/j.cclet.2017.08.004
日期:2018.3
Abstract Four novel palladium(II) complexes coordinated by phosphorus atoms from both 3,5-disubstituted-1 H -1,2,4-diazaphospholes in monodentate fashion were developed as efficient catalyst for the Mizoroki-Heck reaction of aryl halides with electron-deficient olefins. The coupling reaction of aryl halide bearig different functional groups with olefin derivatives took place and the corresponding products
摘要研制了四种以单齿方式与3,5-二取代-1 H -1,2,4-二氮杂磷中的磷原子配位的新型钯(II)配合物,作为芳基卤化物与电子反应的Mizoroki-Heck反应的有效催化剂。缺乏烯烃。进行了带有不同官能团的芳基卤代熊的不同官能团与烯烃衍生物的偶联反应,并在最佳条件下以良好至极好的收率分离了相应的产物。该程序具有良好的官能团耐受性和广泛的底物范围。使用Pd(OAc)2和3,5-二异丙基-1 H -1,2,4-二氮杂磷醚作为组合催化剂进一步实现此Mizoroki-Heck反应,为有机合成提供了方便且可替代的方法