反应条件
1: 96 percent / 4-(dimethylamino)pyridine; camphorsulfonic acid; dicyclohexylcarbodiimide / CH2Cl2 / 14 h / 20 °C
2: 19 percent / CH3CO2H / propan-2-ol; H2O
3: triethylamine / toluene / 1 h / 20 °C
4: triethylamine; 4-(dimethylamino)pyridine / toluene / 3.5 h / 80 °C
5: 90 percent / trifluoroacetic acid / CH2Cl2 / 7.5 h / 20 °C
View Scheme
参考文献
Sunazuka, Toshiaki; Hirose, Tomoyasu; Chikaraishi, Noriko; Harigaya, Yoshihiro; Hayashi, Masahiko; Komiyama, Kanki; Sprengeler, Paul A.; Smith III, Amos B.; Omura, Satoshi
Tetrahedron, 2005 , vol. 61, # 15 p. 3789 - 3803
