sodium hypochlorite; potassium bromide; (-)-(S)-3,5-dihydro-3,3,5,5-tetramethyl-4H-dinaphthlt;2,1-c:1',2'-egt;azepine-N-oxyl in dichloromethane; water T=0°C; 0.5 h; Title compound not separated from byproducts;
sodium hypochlorite; potassium bromide; (-)-(S)-3,5-dihydro-3,3,5,5-tetramethyl-4H-dinaphthlt;2,1-c:1',2'-egt;azepine-N-oxyl in dichloromethane; water T=0°C; 0.5 h; Title compound not separated from byproducts;
