3-甲基-1-(4-硝基苯)-5-吡唑啉酮合成路线 （共 10 条）
参考文献
US5869516 A1, ;
US 5869516 A
反应条件
1: acetoacetic acid tert-butyl ester With spacer-modified Merrifield resin in toluene T=100°C; 3 h; 2: para-nitrophenylhydrazine in tetrahydrofuran T=20°C; 3 h; 3: With trifluoroacetic acid in acetonitrile T=20°C; 0.5 h; Further stages.;
参考文献
European Journal of Organic Chemistry, , # 9 p. 1631 - 1634
反应条件
in acetic acid Heating;
参考文献
Journal of Heterocyclic Chemistry, , vol. 24, # 1 p. 149 - 153
反应条件
sodium acetate in ethanol 1 h; Ambient temperature; Product distribution;
参考文献
Journal of Heterocyclic Chemistry, , vol. 24, # 1 p. 149 - 153
反应条件
sulfuric acid in ethanol; water 0.5 h; Ambient temperature; Product distribution;
参考文献
Journal of Heterocyclic Chemistry, , vol. 24, # 1 p. 149 - 153
反应条件
hydrogenchloride Ambient temperature;
参考文献
Journal of Heterocyclic Chemistry, , vol. 24, # 1 p. 149 - 153
参考文献
Pharmaceutical Chemistry Journal, , vol. 36, # 3 p. 146 - 150
反应条件
1: PBr3 / acetonitrile / 72 h / Heating
2: 94 percent / Pd(PPh3)4; Na2CO3 / tetrahydrofuran / 4 h / Heating
View Scheme
参考文献
Wang, Xiao-Jun; Tan, Jonathan; Grozinger, Karl
Tetrahedron Letters, 2000 , vol. 41, # 24 p. 4713 - 4716
反应条件
1: 98 percent / Heating
2: 48percent aq. HBr / 4 h / Heating
View Scheme
参考文献
DeRuiter; Carter; Arledge; Sullivan
Journal of Heterocyclic Chemistry, 1987 , vol. 24, # 1 p. 149 - 153
反应条件
1: 90 percent / 240 h / Heating
2: 65 percent / triethylamine / benzene / 4 h
View Scheme
参考文献
Tacconi, G.; Gatti, G.; Desimoni G.; Messori, V.
Journal fuer Praktische Chemie (Leipzig), 1980 , vol. 322, # 5 p. 831 - 834
