in ethanol; water soln. of Fe complex in EtOH added to soln. of KOH; stirred at room temp.for 5 h; concd.; diluted in H2O; aq. layer extd. with Et2O; soln. of HCl added dropwise with stirring; filtered; ppt. washed with cold H2O;
参考文献
New Journal of Chemistry, , vol. 35, # 4 p. 893 - 901