反应条件
1: 96 percent / 1.) dry HCl, boron trifluoride etherate, 2.) water / 1.) halogen chloride passed 10h, 10h room temperature, 2.) 90 deg C, pH=1, 60 min 2: 92 percent / pyridine / 0 °C 3: 87 percent / potasium carbonate / 5 h / 50 - 60 °C View Scheme
参考文献
Luk'yanchikov, M. S.; Khilya, V. P.; Kazakov, A. L.
Chemistry of Natural Compounds, 1985 , vol. 21, # 6 p. 740 - 743
Khimiya Prirodnykh Soedinenii, 1985 , vol. 21, # 6 p. 781 - 784
