反应条件
1: 1.) n-butyl-lithium / 1.) hexane, THF, 0 deg C, 15 min 2.) 1 h, hexane, THF
2: 1.) n-butyl-lithium, TMEDA 2.) n-butyl-lithium / 1.) hexane, THF, 0 deg C, 15 min 2.) 30 min, hexane, THF
3: 49 percent / toluene-p-sulphonic acid / benzene / 0.02 h
View Scheme
参考文献
Durman, John; Elliott, Jason; McElroy, Andrew B.; Warren, Stuart
Tetrahedron Letters, 1983 , vol. 24, # 36 p. 3927 - 3930
