反应条件
1: pyridine / 0.5 h / steam bath 2: 85 percent / pyridine / 32 h / Ambient temperature 3: 89 percent / NaOH / ethanol / 1 h / Heating 4: 86 percent / pyridine / 1.) 22 h, 2.) rt, 3 h 5: 57 percent / KF, 18-crown-6 ether / dimethylformamide / 1 h / 100 °C 6: 64 percent / p-toluenesulfonic acid / CHCl3; methanol / 0.33 h / 40 °C View Scheme
参考文献
Kumar, Piyush; Ohkura, Kazue; Balzarini, Jan; De Clercq, Erik; Seki, Koh-Ichi; Wiebe, Leonard I.
Nucleosides, Nucleotides and Nucleic Acids, 2004 , vol. 23, # 1-2 p. 7 - 29
