hydrogenchloride in diethyl ether T=0°C;

NOBF4; triethylamine 1.) CH2Cl2, -10 deg C, 2.) CH2Cl2, RT, 0.5 h; Multistep reaction;

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;

(i) CH2Cl2, (ii) NOCl, (iii) /BRN= 3595636/; Multistep reaction;