1: Pb(OAc)4 / methanol; CH2Cl2 / 0.17 h / 0 °C 2: conc. aq. HCl / ethanol / 6 h / Ambient temperature View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1: 88 percent / benzene / Heating<br />2: TMSOTf / CH₂Cl₂ / -78 &deg;C<br />3: H₂ / 5percent Pd/C<br /> <br /> &nbsp;