3,4-二甲基-5-吡唑啉酮合成路线 （共 9 条）
反应条件
hydrazine hydrate; acetic acid in methanol T=100°C; 1 h;
参考文献
Grandberg, I. I.; Nam, N. L.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 5 p. 540 - 543
Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 5 p. 616 - 620
反应条件
1: 12.5 percent / hydrated potassium carbonate / CH2Cl2 / 12 h / Ambient temperature 2: 45 percent / 10percent HCl / 15 h / Heating View Scheme
参考文献
Journal of the American Chemical Society, , vol. 102, p. 4983
反应条件
hydrogenchloride 15 h; Heating;
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
反应条件
hydrazine in ethanol
参考文献
Journal of Organic Chemistry, , vol. 71, # 26 p. 9695 - 9700
反应条件
1: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating 2: 12.5 percent / hydrated potassium carbonate / CH2Cl2 / 12 h / Ambient temperature 3: 49 percent / Br2 / CH2Cl2 / Ambient temperature View Scheme
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
反应条件
1: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating 2: 12.5 percent / hydrated potassium carbonate / CH2Cl2 / 12 h / Ambient temperature 3: 2.2 percent / Br2 / CH2Cl2 / Ambient temperature View Scheme
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
反应条件
1: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating 2: 12.5 percent / hydrated potassium carbonate / CH2Cl2 / 12 h / Ambient temperature View Scheme
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
反应条件
1: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating
2: 52 percent / i-Pr2NEt / CH2Cl2 / Ambient temperature
3: 58 percent / Br2 / CH2Cl2 / Ambient temperature
View Scheme
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
反应条件
1: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating
2: 52 percent / i-Pr2NEt / CH2Cl2 / Ambient temperature
View Scheme
参考文献
Kosower,E.M.; Pazhenchevsky,B.
Journal of the American Chemical Society, 1980 , vol. 102, p. 4983
