反应条件
1: 76.4 percent / diethyl ether / -80 °C
2: 80 percent / diethyl ether / 1) -95 deg C, 2.5 h; 2) -60 deg C, 0.5 h
3: 100 percent / N,N'-carbonyldiimidazole / toluene / 3 h / Heating; or with methanseulfonyl chloride, Et3N at room temp.
View Scheme
参考文献
Sarkar, Tarun K.; Ghosh, Sunil K.; Satapathi, Tushar K.
Tetrahedron, 1990 , vol. 46, # 6 p. 1885 - 1898
