4,4-二甲基-4H-异色烯-1,3-二酮合成路线 （共 19 条）
反应条件
1.1: LiAlH4; AcOEt / diethyl ether / 1 h / 20 °C 1.2: 66 percent / aq. H2SO4 2.1: Li / pentane / 12 h / Heating 2.2: 76 percent / pentane / 0.25 h / Heating View Scheme
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
反应条件
1.1: Li / pentane / 12 h / Heating 1.2: 76 percent / pentane / 0.25 h / Heating View Scheme
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
反应条件
1.1: H2SO4 / 15 h 2.1: 49 percent / CrO3 / acetic acid; H2O / 1 h / Heating 3.1: NaOBr / aq. NaOH / 2 h / 20 °C 3.2: 78 percent / 0.08 h / 120 °C / 15 Torr View Scheme
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
反应条件
1.1: 80 percent / H2SO4 / 15 h 2.1: 49 percent / CrO3 / acetic acid; H2O / 1 h / Heating 3.1: NaOBr / aq. NaOH / 2 h / 20 °C 3.2: 78 percent / 0.08 h / 120 °C / 15 Torr View Scheme
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
反应条件
1.1: 85 percent / diethyl ether / 3 h / Heating 2.1: H2SO4 / 15 h 3.1: 49 percent / CrO3 / acetic acid; H2O / 1 h / Heating 4.1: NaOBr / aq. NaOH / 2 h / 20 °C 4.2: 78 percent / 0.08 h / 120 °C / 15 Torr View Scheme
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
反应条件
Multistep reaction. Title compound not separated from byproducts;
参考文献
Giovannini, Edgardo; Hengartner, Urs; Pasquier, Pierre
Helvetica Chimica Acta, 2002 , vol. 85, # 6 p. 1841 - 1849
参考文献
Gabriel
Chemische Berichte, 1887 , vol. 20, p. 1204
反应条件
aluminium trichloride in 1,1,2,2-tetrachloroethylene 1.5 h; Heating;
参考文献
Quinn, Kevin J.; Rae, Ian D.
Australian Journal of Chemistry, 1981 , vol. 34, # 3 p. 685 - 690
反应条件
T=560°C; P=4.5 Torr;
参考文献
Spangler,R.J. et al.
Journal of Organic Chemistry, 1977 , vol. 42, # 18 p. 2989 - 2996
