Treatment of (1,1,3,3-tetramethyl)butyl isocyanide with one equivalent of alkyllithium reagent followed by one equivalent of chlorotrialkylstannane afforded 1,1,3,3-tetramethyl-N-[1-(trialkylstannyl)alkylidene]butanamines in good yields. Similarly, the reaction of 2,6-dimethylphenyl isocyanide with one equivalent of diethylzinc then with one equivalent of chlorotrimethylstannane gave 2,6-dimethyl-N-[1-(trimethylstannyl)-propylidene]benzenamine.