n-butyllithium; lithium diisopropyl amide 1.) hexane, diethylether, -60 deg C, 15 min, 2.) 5 min; Yield given. Multistep reaction;

sodium cyanoborohydride; acetic acid; toluene-4-sulfonic acid hydrazide 1.) RT, 1 h, 2a.) RT, 1 h, 2b.) 70 deg C, 2 h; Yield given. Multistep reaction;