sodium perchlorate in chloroform-d1 T=25°C; Rate constant;

sodium azide T=25°C; 0.3 M cacodylic acid buffer (pH: 6.3), ionic strength 1 M (NaClO4); also without aq. NaN3 but in cacodylate-bufferede D2O; Rate constant;

nitrosyl chloride 1.) CH2Cl2, 15 min, -30 deg C, 2.) from -20 deg C to room temp.; 12 h, room temp.; Yield given. Multistep reaction. Title compound not separated from byproducts;