(S)‐5‐Pyrrolidin‐2‐Yl‐1H‐Tetrazole

(S)-5-Pyrrolidine-2-yl-1H-tetrazole (S)-2-Amido-pyrrolidine-1-carboxylic acid benzyl ester Cbz-l-proline Di-tert-butyl dicarbonate (S)-2-Cyano-pyrrolidine1-carboxylic acid benzyl ester Cyanuric chloride (S)-2-(1H-Tetrazol-5-yl)-pyrrolidin-1-carboxylic acid benzyl ester Sodium azide Triethylamine hydrochloride Keywords: proline-derived organocatalyst; mannich reaction; aldol reaction; addition; alpha-oxyamination; azide cyclization; tetrazole