resonance for nitrile
addition of potassium cynaide to alkyl halide
nitrile; SN2
acidic workup of nitrile
carboxylic acid and ammonium; begins with protonation of nitrogen
basic workup of nitrile
deprotonated carboxylic acid and ammonia
addition of organolithium to nitrile
ketone; nucleophlic attack on nitrile carbon; iminium ion