The synthesis of the first examples of four and five membered phosphorus–selenium ring compounds PhP(Se)Se2P(Se)Ph (a selenium analogue of Lawesson's reagent) and (PhP)3Se2via a number of routes is described, the new compounds being characterised by mass spectrometry, 31P, and 77Se n.m.r.
的四个和五个在第一示例元磷-硒环的合成化合物PHP(Se)的硒2 P(硒)PH(劳森试剂的硒类似物)和(PHP)3硒2经由多种途径进行了说明,通过质谱,31 P和77 Se nmr对新化合物进行表征