sodium hydroxide in methanol T=50°C;

<b>Multi-step reaction with 3 steps<br /> </b>1: H₂ / Raney Ni / methanol / 20 &deg;C<br />2: K₂CO₃ / acetone / 70 &deg;C<br />3: 82 percent / TsOH*H₂O / toluene / Heating<br /> <br /> &nbsp;