(4R,5S)-3-[(2E)-2-丁烯酰]-4-甲基-5-苯基-1,3-恶唑烷-2-酮合成路线 (共 4 条)
反应条件
n-butyllithium
1.) THF, -78 deg C, 15 min; 2.) THF, -78 deg C, 30 min then 0 deg C, 15 min;
参考文献
Evans,D.A.; Chapman,K.T.; Bisaha,J.
Journal of the American Chemical Society, 1988 , vol. 110, p. 1238
反应条件
4-(N,N-dimethlyamino)pyridine; diisopropyl-carbodiimide in dichloromethane
T=20°C; Acylation; 29 h;
参考文献
Graham, James M.; Shireman, Brock T.; Maddux, Todd M.; Brandstedt, Christina M.; Zeller, Wayne E.
Synthetic Communications, 2000 , vol. 30, # 7 p. 1221 - 1226
反应条件
copper; copper dichloride in toluene
19 h; Heating;
参考文献
Thom; Kocienski
Synthesis, 1992 , # 6 p. 582 - 586
反应条件
1: 1) BuLi / 1) THF, hexane, -78 deg C, 15 min, 2) -78 deg C up to r.t., 1 h
2: 83 percent / CuCl2, Cu powder / toluene / 19 h / Heating
View Scheme
参考文献
Thom; Kocienski
Synthesis, 1992 , # 6 p. 582 - 586