反应条件
1: 88 percent / pyridine / dimethylformamide / 1 h / Ambient temperature 2: 1) CrO3, pyridine, Ac2O; 2) aq. NaBH4 / 1) CH2Cl2, 9 min; 2) EtOH, 0 deg C, 30 min 3: 93 percent / pyridine / 16 h / Ambient temperature 4: 81 percent / pyridine / CH2Cl2 / 5 h / -15 - 10 °C 5: 1) Et3N, 2) Et4NF; 3) NH3 / 1) DMSO, 32 h; 2) MeCN, room temp., 15 min; 3) MeOH, room temp., 22 h 6: 75 percent / PPh3 / acetic acid / 2 h / 50 °C 7: 78 percent / pyrrole / acetic acid / 1 h / 70 °C View Scheme
参考文献
Marriott, Jonathan H.; Mottahedeh, Mina; Reese, Colin B.
Carbohydrate Research, 1991 , vol. 216, # 1 p. 257 - 269
