反应条件
1: 98 percent / pyridine / CH2Cl2 / 0.25 h / 0 °C 2: CH2Cl2 / 24 h / -65 °C 3: Et3N / CH2Cl2 / 24 h / Ambient temperature 4: HCl gas / 24 h / 0 °C 5: 0.5 N aq. HCl / ethanol / 48 h / 0 °C 6: 6 N aq. HCl / 10 h / Heating 7: H2, 3 N aq. HCl / 20percent Pd(OH)2/C / methanol / 15 h / Ambient temperature View Scheme
参考文献
Nazabadioko, Serge; Perez, Ramon J.; Brieva, Rosario; Gotor, Vicente
Tetrahedron Asymmetry, 1998 , vol. 9, # 9 p. 1597 - 1604
