反应条件
1: 95 percent / diethyl ether / 16 h
2: 98 percent / H2SO4 / 48 h
3: 1) PCl5 / 1) CHCl3, r.t., 16 h, 2) 70 deg C, 3 h
4: 100 percent / 2 M piperidine / H2O / 6 h / Ambient temperature
View Scheme
参考文献
Shankar; Scott
Tetrahedron Letters, 1993 , vol. 34, # 2 p. 231 - 234
