反应条件
1: pyridine; 4-(N,N-dimethlyamino)pyridine / chloroform / 8 h / 0 °C / Inert atmosphere
2: silver tetrafluoroborate / toluene / 8 h / 80 °C / Inert atmosphere; Darkness
3: sodium methylate / methanol / 3 h / 20 °C / Inert atmosphere
4: carbon tetrabromide; tri-n-octyl phosphine / diethyl ether / 4 h / 0 °C / Inert atmosphere
5: CaCl2x2H2O; potassium hydroxide / methanol / 8 h / 0 °C / Inert atmosphere
View Scheme
参考文献
Haga, Yasushi; Tonoi, Takayuki; Anbiru, Yoshihide; Takahashi, Yuki; Tamura, Sayuri; Yamamoto, Masaichi; Ifuku, Shinsuke; Morimoto, Minoru; Saimoto, Hiroyuki
Chemistry Letters, 2010 , vol. 39, # 6 p. 622 - 623