1: With sodium hydroxide T=20°C; Nef reaction; 0.5 h; 2: With sulfuric acid T=0 - 20°C; Nef Reaction;

<b>Multi-step reaction with 2 steps<br /> </b>1: 78 percent / AcOH; NH₄OAc<br />2: 95 percent / NaBH₄ / propan-2-ol; tetrahydrofuran / 20 &deg;C<br /> <br /> &nbsp;