1: 99 percent / Et3N / tetrahydrofuran / -40 - 20 °C
2: P2S5; Na2CO3 / tetrahydrofuran / 13 h / 0 - 20 °C
3: sodium nitrite; aq. acetic acid / 0.75 h / 0 °C
4: 91 percent / Et3N / CH2Cl2
View Scheme
参考文献
Katritzky, Alan R.; Witek, Rachel M.; Rodriguez-Garcia, Valerie; Mohapatra, Prabhu P.; Rogers, James W.; Cusido, Janet; Abdel-Fattah, Ashraf A. A.; Steel, Peter J.
Journal of Organic Chemistry, 2005 , vol. 70, # 20 p. 7866 - 7881
1: 63 percent / Na2CO3 / dimethylformamide; xylene / 4 h / Ambient temperature
2: 86 percent / SOCl2, pyridine / 2 h / Heating
View Scheme
参考文献
Blackhall, Alexander; Brydon, Donald L.; Javaid, Khalid; Sagar, Anthony J. G.; Smith, David M.
Journal of Chemical Research, Miniprint, 1984 , # 12 p. 3485 - 3497