1,4-diaza-bicyclo[2.2.2]octane in 1-methyl-2-pyrrolidinone T=100°C;

1: With copper(l) iodide; 4-toluenesulfonyl azide; triethylamine in acetonitrile T=20°C; 6 h; Inert atmosphere; 2: With sulfuric acid in acetonitrile 4 h; Reflux;

0.0833333 h; microwave irradiation;