反应条件
1: 99 percent / Et3N; DMAP / CH2Cl2 / 2 h / 0 °C
2: 92 percent / aq. TFA / 0.5 h / 0 °C
3: 78 percent / pyridine; DMAP / toluene / 5 h / 20 °C
4: 65 percent / 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine / tetrahydrofuran / 4 h / 40 °C
View Scheme
参考文献
Freiria, Marta; Whitehead, Andrew J.; Motherwell, William B.
Synthesis, 2005 , # 18 art. no. P07105SS, p. 3079 - 3084
