1: With hydrogenchloride in water T=20°C; 0.25 h; 2: With hydrogenchloride; sodium nitrite in water T=0°C; 3: With hypophosphorous ether in water T=20°C; Cooling;
Scherer, T.; Hielkema, W.; Krijnen, B.; Hermant, R. M.; Eijckelhoff, C.; et al.
Recueil des Travaux Chimiques des Pays-Bas, 1993 , vol. 112, # 10 p. 535 - 548