反应条件
1.1: boron trifluoride diethyl etherate / dichloromethane / 0 - 20 °C / Inert atmosphere 2.1: methanol; sodium methylate / 20 °C 2.2: Amberlite.(R). IR-120 H+ ion exchange 3.1: sodium hydride / N,N-dimethyl-formamide / 2.5 h / 0 - 20 °C / Inert atmosphere 3.2: 12 h / 20 °C / Inert atmosphere 4.1: N-bromosuccinmide; water / acetone / 3 h / 20 °C 5.1: acetic anhydride; dimethyl sulfoxide / 12 h / 30 °C View Scheme
参考文献
Organic Letters, , vol. 13, # 14 p. 3628 - 3631