1: 33percent HBr / acetic acid / 2 h / 20 °C
2: pyridine / dimethylformamide / 4 h / 60 °C
View Scheme
参考文献
Mikhura, I. V.; Formanovskii, A. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 2 p. 205 - 212
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 2 p. 247 - 255
Multi-step reaction with 2 steps 1: aq. NaHCO3 / 1,2-dimethoxy-ethane / 5 h / 20 °C2: 90 percent / DCC / dimethylformamide / 3 h / 0 - 20 °C
参考文献
Mikhura, I. V.; Formanovskii, A. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 2 p. 205 - 212Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 2 p. 247 - 255
