Synthesis of [1,2,4]Triazolo[4,3-α]piperazines via Highly Reactive Chloromethyloxadiazoles
作者:Jaume Balsells、Lisa DiMichele、Jinchu Liu、Michele Kubryk、Karl Hansen、Joseph D. Armstrong
DOI:10.1021/ol0474406
日期:2005.3.1
A concise, modular approach for the synthesis of [1,2,4]triazolo[4,3-alpha]piperazines via condensation of highly reactive chloromethyloxadiazoles with ethylenediamines is described. NMR studies of this reaction provide evidence that suggests a novel activation mechanism for electrondeficient chloromethyloxadiazoles.