T=725°C; Ea, log A, ΔH(excit.), ΔS(excit.); Thermodynamic data;

<b>Multi-step reaction with 3 steps<br /> </b>1: BuLi<br />2: Br₂; PPh₃ <br />3: lithium hexamethyldisilazane; HMPA / tetrahydrofuran / 0 &deg;C<br /> <br /> &nbsp;