hydrogenchloride; 1,3,5,7-tetra-azatricyclo[5.1.1.13,5]decane 1.) CHCl3, a) reflux, 3 h, b) 4 deg C, overnight, 2.) MeOH, reflux, 3 d; Yield given. Multistep reaction;

potassium hydroxide; nickel copper formate; ((n-Bu)4N)2S2O8 in dichloromethane T=20°C; Oxidation; 12 h;