1: N2H4*H2O / ethanol / 60 °C 2: 95 percent Spectr. / Cp'2SmCH(SiMe3)2 / benzene-d6 / 21 °C View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) n-BuLi / 1.) THF, -78 deg C, 1 h, 2.) THF, reflux, 1 h<br />2: dimethylformamide / 60 &deg;C<br /> <br /> &nbsp;