反应条件
1: 1.) NaH, 2.) 18-crown-6 / 1.) DMF, 80 deg C, 20 min, 2.) DMF, a) 0 deg C, 6 h, b) RT, overnight
2: 99 percent / 5percent aq. HCl / methanol / 24 h / Ambient temperature
View Scheme
参考文献
Tanaka; Yoshioka; Sakai
Tetrahedron Asymmetry, 1993 , vol. 4, # 5 p. 981 - 996
