反应条件
1: diethyl ether / 3 h / 20 °C 2: sodium hydride / dimethylformamide / 1) 20 deg C, 1h, 2) 130 deg C, 1h, 3) 150 deg C, 1 h View Scheme
参考文献
Kolodyazhnyi, O. I.; Grishkun, E. V.; Yakovlev, V. I.; Kukhar', V. P.
J. Gen. Chem. USSR (Engl. Transl.), 1990 , vol. 60, # 5 p. 1050 - 1053,926 - 929