1: 77 percent / phosphorus oxychloride / 10 h / Heating 2: 47 percent / 4.5 h / 135 - 138 °C View Scheme
参考文献
Semenov, V. P.; Studenikov, A. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 7 p. 754 - 757
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 7 p. 972 - 975
1: 77 percent / phosphorus oxychloride / 10 h / Heating
2: 66 percent / nitric acid / H2SO4 / 1) -10 deg C, 30 min 2) 100 deg C, 1 h
3: 0.24 g / stannous chloride, conc. hydrochloric acid / ethanol / 2 h / 33 - 37 °C
View Scheme
参考文献
Semenov, V. P.; Studenikov, A. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 7 p. 754 - 757
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 7 p. 972 - 975