2,3-二甲基-5-吡唑酮合成路线 （共 9 条）
反应条件
hydrogenchloride; palladium on activated charcoal T=40 - 50°C; Hydrogenation;
参考文献
Krohs
Chemische Berichte, 1955 , vol. 88, p. 866,871
反应条件
hydrogenchloride Hydrolysis;
参考文献
Zimmermann, Diane; Krogsgaard-Larsen, Povl; Ehrhardt, Jean-Daniel; Madsen, Ulf; Janin, Yves L.
Tetrahedron, 1998 , vol. 54, # 32 p. 9393 - 9400
反应条件
1: methylhydrazine; formic acid ethyl ester in ethanol T=0°C; Vilsmeier type formylation; 4 h; Reflux; 2: ethyl acetoacetate in ethanol 4 h; Reflux; regioselective reaction;
参考文献
Raw, Steven A.; Turner, Andrew T.
Tetrahedron Letters, 2009 , vol. 50, # 6 p. 696 - 699
参考文献
v. Auwers; Niemeyer
Journal fuer Praktische Chemie (Leipzig), 1925 , vol. <2> 110, p. 179
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Rojahn
Chemische Berichte, 1922 , vol. 55, p. 2967
参考文献
v. Auwers; Niemeyer
Journal fuer Praktische Chemie (Leipzig), 1925 , vol. <2> 110, p. 179
Full Text Show Details
Rojahn
Chemische Berichte, 1922 , vol. 55, p. 2967
反应条件
phosphorus trichoride
参考文献
Kitamura
Yakugaku Zasshi, 1940 , vol. 60, p. 45,50; dtsch. Ref. S. 3, 7
Chem.Abstr., 1940 , p. 3737
反应条件
in acetic acid
24 h; Heating;
参考文献
Maquestiau, A.; Haverbeke, Y. van; Eynde, J.-J. Vanden
Bulletin des Societes Chimiques Belges, 1983 , vol. 92, # 5 p. 451 - 458
反应条件
in acetic acid
24 h; Heating;
参考文献
Maquestiau, A.; Haverbeke, Y. van; Eynde, J.-J. Vanden
Bulletin des Societes Chimiques Belges, 1983 , vol. 92, # 5 p. 451 - 458
参考文献
Krohs
Chemische Berichte, 1955 , vol. 88, p. 866,871
