1: 54 percent / trimethylsilyl trifluoromethanesulfonate / acetonitrile / 0.25 h / -35 °C 2: 78 percent / methylamine / ethanol / 20 °C View Scheme

trimethylsilyl trifluoromethanesulfonate in acetonitrile T=-35°C; 0.25 h;

<b>Multi-step reaction with 2 steps<br /> </b>1: CH₂Cl₂ / 2 h / 0 &deg;C<br />2: 78 percent / pyridine, 4-dimethylaminopyridine / CH₂Cl₂ / 3 h / 20 &deg;C<br /> <br /> &nbsp;