1: 0.5 h / Heating
2: Et3N / diethyl ether / -60 °C
3: diethyl ether / 3 h / 20 °C
4: sodium hydride / tetrahydrofuran / 0.5 h / Heating; or a few hours at r.t.
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