摘要:
Redox reaction between alkali metal diselenophosphinates R2P(Se)SeM (M = Na, K) and elemental iodine in a 2:1 molar ratio (1,4-dioxane, room temperature, 2 min) gives bis(diorganylselenophosphoryl)selenides [R2P(Se)](2)Se and bis(diorganylselenophosphoryl)triselenides [R2P(Se)](2)Se-3 in 87-90% total yields.