Douglass; Johnson
Journal of the American Chemical Society, 1938 , vol. 60, p. 1488
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Loudon; Shulman
Journal of the Chemical Society, 1938 , p. 1618,1621
1: With sodium hydroxide in methanol; water T=20 - 45°C; 2: With hydrogenchloride in water pH=2; 3: With phosphorus tribromide in ethyl acetate T=10 - 25°C; 1 h;
参考文献
Zhang, Shi-Jie; Xu, Feng; Yang, Wei-Ji; Hu, Wei-Xiao
Journal of Chemical Crystallography, 2012 , vol. 42, # 12 p. 1182 - 1189