反应条件
1: 86 percent / 1,8-diazabicyclo[5.4.0]undec-7-ene / CH2Cl2 / 0.17 h / 22 °C
2: 93 percent / silver tetrakis[3,5-bis(trifluoromethyl)phenyl]borate / zirconocene dichloride / CH2Cl2; diethyl ether / 6 h / -78 °C
3: zirconocene dichloride; silver perchlorate; 4-methyl-1-propyl-2,6,7-trioxabicyclo[2.2.2]octane / CH2Cl2 / 1 h / 0 - 22 °C
4: 17 mg / aq. LiOH / tetrahydrofuran / 4 h / 22 °C
View Scheme
参考文献
Wipf, Peter; Wenjing, Xu; Hongyong, Kim; Takahashi, Hidenori
Tetrahedron, 1997 , vol. 53, # 48 p. 16575 - 16596
