1: 65 percent / KOH / ethanol; H2O / 5 h / Ambient temperature 2: 68 percent / Et3N, diphenoxyphosphorylazid / 24 h / Heating 3: 81 percent / 37percent HCl / ethanol; H2O / 2 h / Heating 4: 72 percent / NaNO2 / aq. HCl; H2O / 1 h / 90 - 95 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '6184400', constants.ctx, '0')">cesium fluoride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br />87&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;