反应条件
1: 1.) Et3N; 2.) PPh3, diethyl azodicarboxylate; 3.) 80 percent HOAc / 1.) 100 deg C, 2 h; 2.) dioxane, 80 deg C, 6 h; 3.) 80 deg C 3: 95 percent / CF3SO3SiMe3 / acetonitrile / reflux, 1h; rt, 16 h 4: 1,8-diazabicyclo<5.4.0>undec-7-ene / acetonitrile 5: hydrogen / Pd/C / 16 h / 3102.9 Torr / Ambient temperature 6: NH3 / methanol / 16 h / Ambient temperature View Scheme
参考文献
Journal of the Chemical Society, Chemical Communications, , # 2 p. 1769 - 1770
