in benzene 0.25 h; Ambient temperature;

1: 59 percent / CH2Cl2 / 1.) -5 deg C to RT, 2.) RT, 15 min 2: 61 percent / hydroxylamine / ethanol / 71 h / Ambient temperature 3: 45 percent / benzene / 0.25 h / Ambient temperature View Scheme

in benzene 14 h; Heatingdifferent reaction or isolation conditions; Product distribution;