1: concd. HCl / 1.) 60 deg C, 30 min, 2.) reflux, 10 min 2: EtOCOCl, Et3N / acetone / 0.25 h / 0 °C 3: aq. NaN3 / acetone / 0.5 h / 0 °C 4: benzene / 1 h / Heating 5: 8 N HCl / 0.17 h / Heating 6: methanol / 24 h / 20 °C View Scheme

hydrogenchloride 1.) 60 deg C, 30 min, 2.) reflux, 10 min; Yield given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '956581', constants.ctx, '0')">trichlorophosphate</a> <br /> <br /> &nbsp;