N-butylamine; copper(l) chloride; hydroxylamine hydrochloride in dichloromethane; water T=0 - 20°C;

1: With N-butylamine; copper(l) chloride in water T=0°C; Cadiot-Chodkiewicz reaction; 2: With hydroxylamine hydrochloride in water Cadiot-Chodkiewicz reaction; 0.5 h;