Electrophilic amination of acyl anion equivalents: mild oxidation of aldehydes to amides via 0-(trimethylsilyl)aldehyde cyanohydrin anions

The O-(trimethysilyl)aldehyde cyanohydrin anions $\text{4a–p}{}^{\mathrm{bm}}\text{Li}{}^{\mathrm{\oplus }}$ react with $\text{5}$ to the amines $\text{6}$. This electrophilic amination corresponds to a mild and specific oxidation of the aldehydes $\text{1a–p}$ to the amides $\text{7a–p.}$