1,5-二甲基-1H-吡唑-4-羧酸合成路线 (共 12 条)
反应条件
sodium hydroxide in ethanol 1 h; Heating;
参考文献
Huppatz
Australian Journal of Chemistry, 1983 , vol. 36, # 1 p. 135 - 147
反应条件
sodium hydroxide; bromine in water T=5 - 10°C; 2 h;
参考文献
Perevalov, V. P.; Manaev, Yu. A.; Andreeva, M. A.; Stepanov, B. I.
J. Gen. Chem. USSR (Engl. Transl.), 1985 , vol. 55, # 4 p. 882 - 885,787 - 789
反应条件
potassium permanganate in water T=20°C;
参考文献
Vasilevskii, S. F.; Gerasimov, V. A.; Shvartsberg, M. S.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 4 p. 683 - 685
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 4 p. 902 - 904
反应条件
sodium hydroxide in water T=70°C; Electrochemical reaction;
参考文献
Russian Chemical Bulletin, , vol. 61, # 6 p. 1148 - 1153
Izv. Akad. Nauk, Ser. Khim., , vol. 61, # 6 p. 1139 - 1143,5
反应条件
1: 83 percent / hydrazine hydrate / ethanol / -10 - 20 °C 2: sodium ethoxide / ethanol / 2 h / Heating 3: 92 percent / NaOH / ethanol / 1 h / Heating View Scheme
参考文献
Australian Journal of Chemistry, , vol. 36, # 1 p. 135 - 147
反应条件
1: sodium ethoxide / ethanol / 2 h / Heating 2: 92 percent / NaOH / ethanol / 1 h / Heating View Scheme
参考文献
Australian Journal of Chemistry, , vol. 36, # 1 p. 135 - 147
反应条件
1: 1.) sodium nitrite, glacial acetic acid, conc. H2SO4, 2.) Cu / 1.) from 0 deg C to 5 deg C, 30 min, 2.) from 0 deg C to RT, 30 min 2: 92 percent / NaOH / ethanol / 1 h / Heating View Scheme
参考文献
Australian Journal of Chemistry, , vol. 36, # 1 p. 135 - 147
反应条件
n-butyllithium; diethyl ether anschliessend mit festem CO2 bei -70grad;
参考文献
Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60
反应条件
anschl. mit festem CO2;
参考文献
Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60
参考文献
Huppatz
Australian Journal of Chemistry, 1983 , vol. 36, # 1 p. 135 - 147