反应条件
1: 1) Sodium hydride / 1) DMSO, 67 deg C, 30 min, 2) temperature below 35 deg C.
2: Thionyl chloride / 0.67 h / Heating
3: 0.17 h / Heating
4: 84 percent / diethyl ether / 4.5 h / 0 - 5 °C
5: 60 percent / N-Bromosuccinimide, benzoyl peroxide / CCl4 / 3 h / Heating
6: 97 percent / Aq. sodium hydroxide / methanol / 0.5 h / Heating
View Scheme
参考文献
Howe, Robert K.; Schleppnik, Frances M.
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 721 - 726
