lithium diisopropyl amide; methyl iodide 1) THF, -78 deg C, 30 min; 2) -78 deg C to room temp.; Yield given. Multistep reaction. Yields of byproduct given;

lithium diisopropyl amide 1) THF, -78 deg C, 30 min; 2) -78 deg C to room temp.; Yield given. Multistep reaction. Yields of byproduct given;