反应条件
1: 74 percent / NaOt-Am / dimethylformamide / 1 h / -10 °C 2: DCC, HOBt / H2O; various solvent(s) / 5 h / Ambient temperature 3: MsOH / ethanol / 7.5 h / 35 - 40 °C 4: DCC, HOBt / various solvent(s) / 2 h / Ambient temperature 5: MsOH / ethanol / 35 - 40 °C View Scheme
参考文献
Tetrahedron, , vol. 53, # 32 p. 10983 - 10992
