反应条件
1: 70 percent / H2SO4 / 3 h / Ambient temperature
2: 60 percent / imidazole / pentane / 3 h / Ambient temperature
3: pyridine / CH2Cl2 / 0.25 h / -10 °C
4: 56 percent / NaN3 / pyridine / 120 h / Ambient temperature
5: 95 percent / TBAF / tetrahydrofuran / 2 h / Ambient temperature
6: 88 percent / pyridine / 5 h / Ambient temperature
7: 1,) conc. H2SO4, 2.) pyridine, DMAP / 1.) 4 deg C, 6 d, 2.) room temperature, overnight
8: 1.) MSTFA, 2.) TMS-OTf / 1.) DCE, reflux, 30 min, 2.) DCE, 80 deg C, overnight
9: 52 percent / NH3 / tetrahydrofuran / 60 °C
10: 97 percent / H2 / Pd/C / ethanol / 6 h / 760 Torr
View Scheme
参考文献
Botta, Oliver; Moyroud, Elisabeth; Lobato, Cinta; Strazewski, Peter
Tetrahedron, 1998 , vol. 54, # 44 p. 13529 - 13546
