1: thiophene-2-carbaldehyde With hydrazine hydrate in dimethyl sulfoxide 2: trichloroacetonitrile With triethylamine; copper(l) chloride in dimethyl sulfoxide T=20°C; 2 h; 3: With hydrazine hydrate in ethanol 4 h; Heating;
参考文献
Nenaidenko; Golubinskii; Lenkova; Shastin; Balenkova
Russian Journal of Organic Chemistry, 2004 , vol. 40, # 10 p. 1518 - 1520