1: 95 percent / 2N HCl / methanol / 24 h / Ambient temperature 2: 88 percent / tri-n-butyltin hydride, azobis(isobutyronitrile) / benzene; methanol / 5 h / Heating View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '113917', constants.ctx, '0')">N-iodo-succinimide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1731042', constants.ctx, '0')">chloroform</a> <br />8&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) sodium hydride / 1.) dichloromethane, 30 min, 0 deg C, 2.) 0 deg C, 2 h<br />2: iodonium dicollidine perchlorate / acetonitrile / 72 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: 90 percent / triethylamine, (N,N-dimethylamino)pyridine / CH₂Cl₂ / 0.5 h / 0 &deg;C<br />2: 80 percent / Amberlyst A 26 (CO₃^2-) / benzene / 12 h / Heating<br />3: 1) NaH (50percent in mineral oil) / 1) THF a) 0 deg C b) 1h room temperature 2) 1.5h, 0 deg C<br />4: 95 percent / N-iodosuccinimide / CHCl₃ / 8 h / Ambient temperature<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 80 percent / Amberlyst A 26 (CO₃^2-) / benzene / 12 h / Heating<br />2: 1) NaH (50percent in mineral oil) / 1) THF a) 0 deg C b) 1h room temperature 2) 1.5h, 0 deg C<br />3: 95 percent / N-iodosuccinimide / CHCl₃ / 8 h / Ambient temperature<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 90 percent / Amberlyst A 26 (OH^-) / methanol / 6 h / Ambient temperature<br />2: 1) NaH (50percent in mineral oil) / 1) THF a) 0 deg C b) 1h room temperature 2) 1.5h, 0 deg C<br />3: 95 percent / N-iodosuccinimide / CHCl₃ / 8 h / Ambient temperature<br /> <br /> &nbsp;