1,1'-carbonyldiimidazole 1.) THF, 1 h, 2.) THF, RT, 8 h; Yield given. Multistep reaction;

1: 1.) N,N'-carbonyldiimidazole (CDI) / 1.) THF, 1 h, 2.) THF, RT, 8 h 2: 1.) 5percent aq. NaNO2, 8N aq. acetic acid, 2.) 5percent aq NaN3 / 1.) 0 deg C, 4 min, 2.) water, RT, 3 min View Scheme

1,1'-carbonyldiimidazole 1.) THF, 1 h, 2.) THF, RT, 8 h; Yield given. Multistep reaction;