反应条件
1.1: n-BuLi; dicyclohexylamine / tetrahydrofuran; hexane / 0.5 h / -78 °C
1.2: tetrahydrofuran; hexane / 2 h / -78 °C
2.1: thionyl chloride; triethylamine / CH2Cl2 / 0.5 h / 0 °C
2.2: potassium tert-butoxide / tetrahydrofuran / Heating
3.1: lithium / tetrahydrofuran / 2 h / 20 °C
3.2: 20 percent / tetrahydrofuran / 2 h / -78 °C
View Scheme
参考文献
Bee, Cisco; Leclerc, Eric; Tius, Marcus A.
Organic Letters, 2003 , vol. 5, # 26 p. 4927 - 4930