in hexane; chloroform; trichlorophosphate

trichlorophosphate 3 h; Heating;

1: 28percent NH4OH, / methanol; H2O / 16 h / Heating 2: methanol / 4.5 h / Heating 3: 94 percent / Et3N, / methanol / 16 h / Heating 4: 52 percent / POCl3, / 3 h / Heating View Scheme

1: methanol / 4.5 h / Heating 2: 94 percent / Et3N, / methanol / 16 h / Heating 3: 52 percent / POCl3, / 3 h / Heating View Scheme