1: 3-nitro-aniline With hydrogenchloride; sodium nitrite in water
T=0 - 5°C;
2: thiophene-2-carbaldehyde With CuCl2*2H2O in dimethyl sulfoxide
T=15 - 25°C; Meerwein reaction;
参考文献
Obushak; Matiychuk; Lytvyn
Chemistry of Heterocyclic Compounds, 2008 , vol. 44, # 8 p. 936 - 940