Preparationof hydroxypropyl dioctylphosphineoxide(1).Di-n-octylphosphine oxidel(15.0g, 54.7 mmol), AIBN (1.35 g, 8.23 mmol), and allylalcohol (3.49 g, 60.2 mmol) were stirred at 80 'C under a nitrogen atmosphere for 8 hrs.The product was purified by column chromatography over silica gel, eluting with methanol:chloroform mixtures to yield