methanol; tert.-butyl lithium in diethyl ether T=-78°C;

methanol; tert.-butyl lithium 1.) pentane, ether, -78 deg C, 10 min; Yield given. Multistep reaction. Yields of byproduct given;

<b>Multi-step reaction with 5 steps<br /> </b>1: 99 percent / N-chlorosuccinimide / CCl₄ / 11 h / Ambient temperature<br />2: 73 percent / 48 h / 120 &deg;C<br />3: 1) n-BuLi / 1) -78 deg C, 5 h, THF, 2) room temperature<br />4: 1) n-BuLi / 1) -78 deg C, 5 h, THF, 2) -78 deg C, 1 h, 3) 50 deg C, 16 h<br />5: 98 percent / MCPBA / CH₂Cl₂ / 0.08 h / -10 &deg;C<br /> <br /> &nbsp;