反应条件
1: 80 percent / diisopropylethylamine / CH2Cl2 / 2 h / Ambient temperature 2: 0.74 g / trifluoroacetic acid / 1 h / 0 °C 3: diisopropylethylamine / CH2Cl2 / 2 h / Ambient temperature 4: trifluoroacetic acid / 1 h / 0 °C 5: diisopropylethylamine / CH2Cl2 / 2 h / Ambient temperature 6: trifluoroacetic acid / 1 h / 0 °C 7: diisopropylethylamine / CH2Cl2 / 2 h / Ambient temperature 8: H2 / Pd/C 9: trifluoroacetic acid View Scheme
参考文献
Carpino, Louis A.; Mansour, El-Sayed M. E.; El-Faham, Ayman
Journal of Organic Chemistry, 1993 , vol. 58, # 15 p. 4162 - 4164
