2,3,5,6-四甲基-1H,7H-吡唑并[1,2-a]吡唑-1,7-二酮合成路线 (共 24 条)
反应条件
3-(carboethoxy)-4,4-dichloro-2-pyrazolin-5-one; N-ethyl-N,N-diisopropylamine in dichloromethane T=0°C;
参考文献
Kosower, Edward M.; Faust, Dov; Ben-Shoshan, Marcia; Goldberg, Israel
Journal of Organic Chemistry, 1982 , vol. 47, # 2 p. 214 - 221
反应条件
1: NH2NH2 / ethanol / 1 h / Heating 2: 73.1 percent / Cl2 / 1,2-dichloro-ethane / Heating 3: 12.5 percent / hydrated potassium carbonate / CH2Cl2 / 12 h / Ambient temperature View Scheme
参考文献
Journal of the American Chemical Society, , 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
Journal of the American Chemical Society, , vol. 102, p. 4983
反应条件
potassium carbonate in dichloromethane 1.) ice bath, 1 h, 2.) room temperature, 18 h;
参考文献
Journal of the American Chemical Society, , vol. 102, p. 4983
反应条件
N-ethyl-N,N-diisopropylamine in dichloromethane T=0°C;
参考文献
Journal of Organic Chemistry, , vol. 47, # 2 p. 214 - 221
反应条件
potassium carbonate in dichloromethane 12 h; Ambient temperature;
参考文献
Journal of the American Chemical Society, , vol. 102, p. 4983
反应条件
sodium hydroxide; N-hexadecyl-N,N,N-trimethylammonium bromide in benzene
参考文献
Journal of Organic Chemistry, , vol. 46, # 8 p. 1666 - 1673
反应条件
N-ethyl-N,N-diisopropylamine in dichloromethane 1.) 0 deg C, 1 h, 2.) 24 h; Further byproducts given;
参考文献
Journal of Organic Chemistry, , vol. 47, # 2 p. 207 - 213
反应条件
potassium carbonate 72 h;
参考文献
Journal of the American Chemical Society, , vol. 102, p. 4983
反应条件
sodium carbonate in water 4 h; Ambient temperature;
参考文献
Journal of Chemical Research, Miniprint, , # 3 p. 920 - 932