1: 1) LDA / 1) THF, -78 deg C, 10 min; 2) THF, -40 deg C, then 2 h to room temp. 2: 20 percent / acetic acid, hydrochloric acid / 1 h / Heating View Scheme

lithium diisopropyl amide 1) THF, -78 deg C, 10 min; 2) THF, -40 deg C, then 2 h to room temp.; Yield given. Multistep reaction. Yields of byproduct given;

lithium diisopropyl amide 1) THF, -78 deg C, 10 min; 2) THF, -40 deg C, then 2 h to room temp.; Yield given. Multistep reaction. Yields of byproduct given;