1: sodium acetate hydrate / ethanol; H2O / 20 h / Heating 2: borane, (S)-2-amino-3-methyl-1,1-diphenyl-1-butanol <(S)-3> / tetrahydrofuran View Scheme

borane; (S)-(-)-2-amino-3-methyl-1,1-diphenylbutan-1-ol in tetrahydrofuran Yields of byproduct given;