1: With potassium carbonate in butanone T=20°C; 4 h; Heating / reflux; 2: in ethanol; water 0.75 h; Heating / reflux; 3: With sulfuric acid in water T=90°C;
1: o-hydroxynitrobenzene With potassium hydroxide in ethanol 0.5 h; 2: bromomalonic acid diethyl ester in N,N-dimethyl-formamide 16 h; Inert atmosphere;
参考文献
Macias, Francisco A.; Chinchilla, Nuria; Varela, Rosa M.; Molinillo, Jose M. G.; Marin, David; De Siqueira, Joao M.
Journal of Agricultural and Food Chemistry, 2008 , vol. 56, # 21 p. 9941 - 9948