1: 22 percent / aq. H2SO4 / 0.25 h / 100 °C 2: POCl3 / pyridine / 1) 0 - 5 deg C, 1 h, 2) RT, 3 h View Scheme

in sulfuric acid T=100°C; 0.25 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587154', constants.ctx, '0')">ammonia</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br />14&nbsp;h;&nbsp;<br /> &nbsp;