Highly Stereoselective Reduction of β-Keto Amides: The First General and Efficient Approach to N-mono- and non-Substituted anti-α-Alkyl β-Hydroxy Amides - Bartoli, Giuseppe; Bosco, Marcella; Marcantoni, Enrico; Melchiorre, Paolo; Rinaldi, Samuele; Sambri, Letizia (Synlett, 2004)