反应条件
1: 65 percent / diphenyl ether / 12 h / 180 °C
2: K2CO3 / acetone / Heating
3: 1.) OsO4, 2.) sodium metaperiodate / 1.) THF, water, 0 deg C, 1 h, 2.) 0 deg C, 0.5 h; room temperature, 3 h
4: 56 percent / toluene-p-sulfonic acid / 1,2-dimethoxy-ethane / 30 h / Heating
5: 67 percent / BBr3 / CH2Cl2 / 1.) -78 deg C, 1 h, 2.) -78 deg C to room temperature, 1 h, 3.) room temperature, 1.5 h
View Scheme
参考文献
Deshmukh, M. N.; Joshi, Shreerang V.
Synthetic Communications, 1988 , vol. 18, # 13 p. 1483 - 1490