N-(α-Benzotriazol-1-ylalkyl)sulfonamides, readily available from benzotriazole, an aldehyde and a sulfonamide, are converted into the corresponding N-(α-cyanoalkyl)sulfonamides in good yields by treatment with potassium cyanide.
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Title
Benzotriazole-Assisted Synthesis of N-(α-Cyanoalkyl)sulfonamides