反应条件
1: K2CO3 / toluene / 5 h / 20 °C 2: 14.3 g / BF3*Et2O / tetrahydrofuran / 1 h / -20 °C 3: TsOH*H2O; hydrogen / 5percent Pd/C / ethanol; toluene / 3 h / 30 °C / 2068.65 Torr 4: NCS; K2CO3 / dimethylformamide / 0.5 h / 0 °C 5: DBU / dimethylformamide / 3 h / 0 - 20 °C 6: hydrogen / 5percent Pd/C / dimethylformamide; ethanol / 2 h / 20 °C / 2068.65 Torr View Scheme
参考文献
Zhao, Matthew M.; McNamara, James M.; Ho, Guo-Jie; Emerson, Khateeta M.; Song, Zhiguo J.; Tschaen, David M.; Brands, Karel M. J.; Dolling, Ulf-H; Grabowski, Edward J. J.; Reider, Paul J.; Cottrell, Ian F.; Ashwood, Michael S.; Bishop, Brian C.
Journal of Organic Chemistry, 2002 , vol. 67, # 19 p. 6743 - 6747