1: 92 percent / pyridine / CHCl3 / 48 h / 22 °C 2: 71 percent / NaI, Zn, H2O / 1,2-dimethoxy-ethane / 24 h / 90 °C 3: 90 percent / aq. HCl / tetrahydrofuran / 16 h / 22 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587154', constants.ctx, '0')">ammonia</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3924730', constants.ctx, '0')">lithium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-50&deg;C;&nbsp;3&nbsp;h;&nbsp;<br /> &nbsp;