Heating;

<b>Multi-step reaction with 2 steps<br /> </b>1: CH₂Cl₂ / 1 h / Ambient temperature<br />2: 76 percent / NaBH₄ / diethyl ether / 2 h / 10 - 20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: NaOH / CH₂Cl₂; H₂O<br />2: 67 percent / potassium thiocyanate / H₂O / 50.5 h<br /> <br /> &nbsp;