3-(4-硝基苯基)-1H-吡唑合成路线 (共 14 条)
反应条件
1: T=80°C; 2: With hydrazine hydrate in ethanol T=70°C;
参考文献
Ralph, Jeffrey M.; Faitg, Thomas H.; Silva, Domingos J.; Feng, Yanhong; Blackledge, Charles W.; Adams, Jerry L.
Tetrahedron Letters, 2009 , vol. 50, # 13 p. 1377 - 1380
反应条件
hydrazine hydrate in ethanol
参考文献
US4699915 A1, ;
US 4699915 A
反应条件
trichlorophosphate T=40 - 80°C; Vilsmeier formylation;
参考文献
Russian Journal of General Chemistry, , vol. 75, # 5 p. 782 - 789
反应条件
1.1: AcONa / ethanol / 0.75 h / Heating 1.2: ethanol / 1 h / Heating 2.1: 4 percent / POCl3 / 40 - 80 °C View Scheme
参考文献
Russian Journal of General Chemistry, , vol. 75, # 5 p. 782 - 789
反应条件
nitric acid Behandeln mit Wasser oder Natronlauge;
参考文献
Chemische Berichte, , vol. 35, p. 42
Chemische Berichte, , vol. 28, p. 688
Journal fuer Praktische Chemie (Leipzig), , vol. <2> 53, p. 127
Dissertation <Jena 1895>, S. 21
反应条件
copper(l) iodide; [Pd(PPh3)2(OAc)2]; potassium tert-butylate; triethylamine; palladium dichloride 1.) THF, room temp., 5.25 h, 2.) MeCN, reflux, 1.5 h, 3.) DMF, room temp., 2.5 h; Yield given. Multistep reaction;
参考文献
Synlett, , vol. 1997, # 8 p. 959 - 961
反应条件
trichlorophosphate T=0 - 80°C;
参考文献
Journal of Heterocyclic Chemistry, , vol. 48, # 3 p. 671 - 677
反应条件
diethyl ether; hydrazine hydrate
参考文献
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , p. 1181,1185; engl. Ausg. S. 1206, 1209
反应条件
1: copper-powder; ethanol; N2H4+H2O View Scheme
参考文献
Gazzetta Chimica Italiana, , vol. 70, p. 240,244
反应条件
1: diethyl ether; hydrazine hydrate 2: fuming nitric acid / Behandeln mit Wasser oder Natronlauge View Scheme
参考文献
Chemische Berichte, , vol. 35, p. 42