hydrogen; W-2 Raney nickel in methanol; water; acetic acid P=760 Torr; 5 h; Ambient temperature;

<b>Multi-step reaction with 2 steps<br /> </b>1: phenyl isocyanate, Et₃N / benzene / 1) room temperature, 2) 2 h, reflux<br />2: 71 percent / 0.5 N NaOH / methanol<br /> <br /> &nbsp;