1-乙基-1H-吡唑-4-甲醛合成路线 (共 4 条)
反应条件
manganese(IV) oxide; magnesium sulfate in dichloromethane T=20°C;
参考文献
EP1852431 A1, ;
Page/Page column 17 ;
EP 1852431 A1
反应条件
1: With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 0.5 h; 2: With N,N-dimethyl-formamide in tetrahydrofuran; hexane T=-78 - 20°C; 1 h;
参考文献
EP1186604 A1, ;
Page 113 ;
EP 1186604 A1
反应条件
1: phosphoryl chloride / 13 h / 100 °C 2: 2.87 g / water / dimethylformamide View Scheme
参考文献
Russian Journal of Organic Chemistry, , vol. 42, # 4 p. 550 - 554
反应条件
trichlorophosphate T=0 - 100°C; Vilsmeier-Haack Formylation;
参考文献
WO2013/19690 A1, ;
Paragraph 00702; 00932 ;