1: FeCl3*6H2O, activated carbon, hydrazine hydrate / CH2Cl2 / 30 h 2: 68 percent / ethanol / 1.) 50 deg C, 12 h, 2.) reflux, 12 h 3: 85 percent / sodium methoxide / methanol / 12 h / 105 °C 4: 91 percent / triethylamine / CH2Cl2 / 0.5 h / 0 - 5 °C 5: methanol / 4 h / 105 °C View Scheme

iron(III) chloride; carbon; hydrazine hydrate in dichloromethane 30 h;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />T=65&deg;C;&nbsp;6&nbsp;h;&nbsp;<br /> &nbsp;