1.1: Pd(PPh3)4 / benzene / 0.25 h / 20 °C 1.2: 71 percent / benzene / 20 °C 2.1: 82 percent / PPTs / methanol / 24 h / 20 °C View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1.1: 5 h / 20 &deg;C<br />2.1: 96 percent / dimethylsulfoxide / 3 h / 20 &deg;C<br />3.1: zirconocene chloride hydride / benzene / 6 h / 20 &deg;C<br />3.2: 74 percent / I₂ / benzene<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1.1: 5 h / 20 &deg;C<br />2.1: 96 percent / dimethylsulfoxide / 3 h / 20 &deg;C<br />3.1: zirconocene chloride hydride / benzene / 6 h / 20 &deg;C<br />3.2: 74 percent / I₂ / benzene<br /> <br /> &nbsp;