in ethanol
dropping of soln. of CF3COOC2H5 in abs. alc. to N2H4 soln. in anhydrous C2H5OH by cooling, stirring at 20°C (12 h); evapn. of C2H5OH, stirring at 20°C (12 h);
参考文献
Young,J.A. et al.
Journal of the American Chemical Society, 1962 , vol. 84, p. 2105 - 2109