2-乙基-2-乙烯基-1,3-二氧戊环合成路线 （共 12 条）
反应条件
potassium hydroxide in methanol; dimethyl sulfoxide T=80°C;
参考文献
Byrne, Brian; Wengenroth, Karl J.
Synthesis, 1986 , # 10 p. 870 - 871
反应条件
dimethyl-ethylene urea; potassium tert-butylate Heating;
参考文献
Boivin, Jean; Carpentier, Floriane; Jrad, Rafik
Synthesis, 2006 , # 10 p. 1664 - 1672
反应条件
1: 85 percent / ethanol / 4 h / Heating 2: 85 percent / p-TsOH / toluene / 8 h / Heating 3: 85 percent / dimethylethylene urea; t-BuOK / Heating View Scheme
参考文献
Synthesis, , # 10 p. 1664 - 1672
反应条件
1: 85 percent / p-TsOH / toluene / 8 h / Heating 2: 85 percent / dimethylethylene urea; t-BuOK / Heating View Scheme
参考文献
Synthesis, , # 10 p. 1664 - 1672
反应条件
1: Br2 / hexane / 35 - 40 °C 2: 86 percent / KOH / methanol; dimethylsulfoxide / 80 °C View Scheme
参考文献
Synthesis, , # 10 p. 870 - 871
反应条件
1: p-toluenesulfonic acid / hexane / 7 h / Heating 2: Br2 / hexane / 35 - 40 °C 3: 86 percent / KOH / methanol; dimethylsulfoxide / 80 °C View Scheme
参考文献
Synthesis, , # 10 p. 870 - 871
反应条件
sodium hydride; dimethyl sulfoxide 1) DMSO, 1.5h, room temperature 2) DMSO, 14h, room temperature; Yield given. Multistep reaction;
参考文献
Heathcock, Clayton H.; Mahaim, Cyril; Schlecht, Matthew F.; Utawanit, Thanin
Journal of Organic Chemistry, 1984 , vol. 49, # 18 p. 3264 - 3274
反应条件
sodium hydride; dimethyl sulfoxide 1) DMSO, 2h, 40-50 deg C 2) DMSO, 7.5h, room temperature; Yield given. Multistep reaction;
参考文献
Heathcock, Clayton H.; Mahaim, Cyril; Schlecht, Matthew F.; Utawanit, Thanin
Journal of Organic Chemistry, 1984 , vol. 49, # 18 p. 3264 - 3274
反应条件
sodium hydride; dimethyl sulfoxide 1) DMSO, 1.75h, 45-50 deg C 2) DMSO, 8h, room temperature; Yield given. Multistep reaction;
参考文献
Heathcock, Clayton H.; Mahaim, Cyril; Schlecht, Matthew F.; Utawanit, Thanin
Journal of Organic Chemistry, 1984 , vol. 49, # 18 p. 3264 - 3274
反应条件
water; toluene-4-sulfonic acid T=15°C; 3 h;
参考文献
Byrne, Brian; Wengenroth, Karl J.
Synthesis, 1986 , # 10 p. 870 - 871
