Synthesis of 1H,2,3-Triazoles from 2-Substituted Cyclododecanones and Phenyl Azide

By reaction with phenyl azide, 2-cyano- and 2-(ethoxycarbonyl)-substituted cyclododecanones are converted into 5-amino- and 5-hydroxy-1H-1,2,3-triazoles, respectively. The possible reaction mechanism is discussed.