1: 91 percent / AlBr3 / acetonitrile / 1 h / Ambient temperature 2: 88 percent / K2CO3 / methanol / 2 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 95 percent / AlBr₃ / acetonitrile / 0.33 h / 0 - 5 &deg;C<br />2: 95 percent / K₂CO₃ / acetone / Heating<br /> <br /> &nbsp;