5,6-二氢-2H-吡喃-2-酮合成路线 （共 59 条）
反应条件
1.1: methanesulfonyl chloride; triethylamine / dichloromethane / 13 h / 0 - 20 °C / |Inert atmosphere 1.2: 3 h / 100 °C 2.1: pyridinium chlorochromate / dichloromethane / 8 h / |Reflux View Scheme
反应条件
Schwartz's reagent; iodine Yield given. Multistep reaction;
参考文献
Tetrahedron Asymmetry, , vol. 9, # 6 p. 949 - 954
参考文献
Journal of the Chemical Society, , p. 957
反应条件
1: palladium; barium sulfate; ethyl acetate / Hydrogenation 2: aqueous hydrochloric acid View Scheme
参考文献
Journal of the Chemical Society, , p. 957
反应条件
Pd-BaSO4 Hydrogenation;
参考文献
Journal of the Chemical Society, , p. 957
反应条件
hydrogen; palladium(II) complex of ferrocenylamine sulfide (1) in acetone P=4137.2 Torr; 10 h;
参考文献
Tetrahedron Letters, , vol. 32, # 40 p. 5489 - 5492
反应条件
1: NBS 2: triethylamine View Scheme
参考文献
Chidambaram, N.; Satyanarayana, K.; Chandrasekaran, S.
Tetrahedron Letters, 1989 , vol. 30, # 18 p. 2429 - 2432
反应条件
N-bromosuccinmide; benzoic acid anhydride; triethylamine 1.) CCl4, reflux, 2.) CHCl3, overnight; Yield given. Multistep reaction;
参考文献
Vijgen, Sara; Nauwelaerts, Koen; Wang, Jing; Van Aerschot, Arthur; Lagoja, Irene; Herdewijn, Piet
Journal of Organic Chemistry, 2005 , vol. 70, # 12 p. 4591 - 4597
反应条件
1: Br2 / CH2Cl2 2: Et3N / CH2Cl2 3: 89 percent / N-bromosuccinimide; benzoylperoxide / CCl4 / 5.5 h / 100 °C 4: 43 percent / Et3N / CH2Cl2 / 20 °C View Scheme
参考文献
Posner, Gary H.; Nelson, Todd D.; Kinter, Chris M.; Afarinkia, Kamyar
Tetrahedron Letters, 1991 , vol. 32, # 39 p. 5295 - 5298
反应条件
1) EtOH, 25 deg C, 24 h; 2) NaOEt, reflux, 1 h;; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Baldwin; Chan; Gallacher; Otsuka
Tetrahedron, 1984 , vol. 40, # 21 p. 4513 - 4525
