反应条件
1: 1) oxalyl chloride, DMSO, 2) diisopropylethylamine / 1) CH2Cl2, -60 - -50 deg C, 2) CH2Cl2, -60 - -50 deg C to room temperature; room temperature, 30 min 2: 80 percent / diisopropylethylamine, acetic anhydride, 4-(dimethylamino)pyridine / CH2Cl2 / Ambient temperature 3: 75 percent / L-Selectride / tetrahydrofuran / 0.17 h / -78 °C 4: 100 percent / CF3CO2H, H2O / CH2Cl2 / 12 h / Ambient temperature View Scheme
参考文献
Alves, Cristina; Barros, M. Teresa; Maycock, Christopher D.; Ventura, M. Rita
Tetrahedron, 1999 , vol. 55, # 28 p. 8443 - 8456