1: 1.) n-BuLi / 1.) ether, -78 deg C, 2 h 2.) 25 deg C, 1 h 2: 1.) Li, ether, 2-4 deg C, 30 min 2.) 0 deg C, 30 min View Scheme

1.) Li, ether, 2-4 deg C, 30 min 2.) 0 deg C, 30 min; Yield given. Multistep reaction;