反应条件
1: 1.) acetic anhydride; 2.) acetic acid, sodium acetate / 1.) 80 deg C, 24 h; 2.) 100 deg C, 26 h
2: 69 percent / NaH / tetrahydrofuran / 0 deg C, 1 h, 20 deg C, 15 h
View Scheme
参考文献
Ogura, Katsuyuki; Yahata, Nobuhiro; Hashizume, Kimitoshi; Tsuyama, Koichi; Takahashi, Kazumasa; Iida, Hirotada
Chemistry Letters, 1983 , p. 767 - 770