1: 100 percent / K2CO3 / acetone / 2 h / Heating 2: 100 percent / AlBr3 / acetonitrile / 0.83 h / 0 °C 3: 100 percent / K2CO3 / methanol / 0.67 h / 70 °C 4: 100 percent / H2 / 10percent Pd/C / ethyl acetate; methanol / Ambient temperature View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 97 percent / K₂CO₃ / dimethylformamide / 0.08 h / 150 &deg;C<br />2: 1.) dimethyldioxirane, 2.) p-TsOH / 1.) CH₂Cl₂, Me₂CO, 0 deg C, 12 h, 2.) CH₂Cl₂, 0 deg C, 30 min<br /> <br /> &nbsp;