1: 2.) FeCl3, conc HCl / 1.) DMF, 152 deg C, 7 h; 2.) DMF, water, 65 - 70 deg C, 20 min 2: 58 percent / NaOH / aq. ethanol / 1 h / Heating 3: 64 percent / toluene; pyridine / 3 h / Heating View Scheme

1: 2.) FeCl3, conc HCl / 1.) DMF, 152 deg C, 7 h; 2.) DMF, water, 65 - 70 deg C, 20 min 2: 58 percent / NaOH / aq. ethanol / 1 h / Heating View Scheme

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a> <br />4&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;