Annulation of Diaryl(aryl)phosphenes and Cyclic Imines to Access Benzo-δ-phospholactams
作者:Yun Luo、Jiaxi Xu
DOI:10.1021/acs.orglett.0c02346
日期:2020.10.16
Microwave-assisted annulation of cyclic imine dibenzo[b,f][1,4]oxazepines and diaryl(aryl)phosphenes generated from diazo(aryl)methyl(diaryl)phosphine oxides through the Wolff rearrangement accesses pentacyclic benzo-δ-phospholactams, 4b,16-dihydrodibenzo[b,f]benzo[4,5][1,2]azaphosphinino[1,6-d][1,4]oxazepine 15-oxides, in good yields.
环亚胺二苯并[ b,f ] [1,4]氮杂ox庚因和重氮芳基甲基(二芳基)膦氧化物通过Wolff重排生成的二芳基(芳基)膦的微波辅助环化反应获得五环苯并-δ-膦内酰胺,4b ,16-二氢二苯并[ b,f ]苯并[4,5] [1,2]氮杂膦基[1,6- d ] [1,4]奥氮平15-氧化物,收率良好。