Diisopropy1phosphorofluoridate.-The fluorination is carried out by the method of Ford- Moore, et~ 1.'~ The gas inlet tube is removed and a cooling water jacket is fitted in position; 500 mg. of pulverized ammonium fluoride and 2 ml. of acetone are added. The mixture is refluxed during 2 hours. Next the resulting DFP is purified by steam distillation. The solution is transported into the dropping funnel of a distillation apparatus by means oa syphoning ...
