反应条件
1: 1.) sodium hydride / 1.) dimethoxyethane, 30 min, room temperature 2.) reflux, 5 h, dimethoxy ethane
2: 96 percent / hydrogen / 5percent palladium on charcoal / ethanol / 6 h / 760 Torr
3: 85 percent / lithium aluminium hydride / tetrahydrofuran / 0.5 h
4: 57 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / other reagent
5: 1.) n-butyl-lithium, TMEDA 2.) n-butyl-lithium / 1.) hexane, THF, 0 deg C, 15 min 2.) 30 min, hexane, THF
6: 23 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
