sodium ethanolate in ethanol 0.5 h;

hydrazine hydrate in ethanol 4 h; Heating;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a> <br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: (i) (diazotization), (ii) /BRN= 773744/, CuCl₂*2H₂O, MgO<br />2: Et₃N<br /> <br /> &nbsp;