pyridinium p-toluenesulfonate in water; acetone 2.5 h; Heating;
参考文献
Odinokov, V. N.; Ishmuratov, G. Yu.; Ladenkova, I. M.; Tolstikov, G. A.
Chemistry of Natural Compounds, 1987 , vol. 23, # 3 p. 365 - 368
Khimiya Prirodnykh Soedinenii, 1987 , # 3 p. 440 - 444