sodium tetrahydroborate; NiII chloride hexahydrate in ethanol T=20°C; 48 h;

<b>Multi-step reaction with 3 steps<br /> </b>1.1: diethyl ether / 1 h / 0 &deg;C<br />2.1: sodium hydroxide / water; tetrahydrofuran / 0.5 h / 20 &deg;C / pH 10<br />2.2: 0.5 h<br />3.1: hydroxylamine hydrochloride; sodium acetate / water; ethanol / 3 h / 70 &deg;C<br /> <br /> &nbsp;