1: 22 percent / acetic acid / 1 h 2: 82 percent / 90percent H2SO4 / 0.33 h / 90 - 95 °C 3: 75 percent / aq. 20percent HCl / 2 h / Heating View Scheme
参考文献
Tkach, I. I.; Reznichenko, A. V.; Luk'yanets, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 8 p. 872 - 880
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 8 p. 1043 - 1052
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 28, # 8 p. 872 - 880
Khimiya Geterotsiklicheskikh Soedinenii, , # 8 p. 1043 - 1052
Tkach, I. I.; Reznichenko, A. V.; Luk'yanets, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 8 p. 872 - 880
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 8 p. 1043 - 1052
Il'chenko, A. Ya.; Koval'chuk, R. E.; Krokhtyak, V. I.; Yagupol'skii, L. M.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 2348 - 2349
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 12 p. 2630 - 2631
