反应条件
1: 90 percent / oxalic acid, silica gel / CH2Cl2 / 4 h / Ambient temperature 2: 72 percent / copper(II) bromide, benzoyl peroxide / tetrahydrofuran / 24 h 3: 95 percent / 24 h / Heating 4: 98 percent / 550 °C / 0 Torr View Scheme
参考文献
Ager, David J.; Fleming, Ian; Patel, Shailesh K.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 2520 - 2526
