1H-吡唑-4,5-二羧酸二甲酯合成路线 (共 8 条)
反应条件
1: in tetrahydrofuran; hexane T=0 - 20°C; 20 h; 2: With hydrogenchloride; water T=20°C; 0.5 h; 3: With sodium hydrogencarbonate in water; ethyl acetate
参考文献
GLAXOSMITHKLINE LLC; HAYDAR, Simon N.; JOHNS, Brian Alvin; VELTHUISEN, Emile Johann
Patent: WO2013/43553 A1, 2013 ;
Location in patent: Page/Page column 145 ;
反应条件
in diethyl ether T=0°C; 1 h;
参考文献
MICURX PHARMACEUTICALS, INC.
Patent: WO2008/108988 A1, 2008 ;
Location in patent: Page/Page column 57; 58 ;
反应条件
in toluene T=80°C; Cycloaddition; 1 h;
参考文献
Washizuka, Ken-Ichi; Nagai, Keiko; Minakata, Satoshi; Ryu, Ilhyong; Komatsu, Mitsuo
Tetrahedron Letters, 1999 , vol. 40, # 50 p. 8849 - 8853
反应条件
in 1,2,2-trifluoro-trichloroethane 240 h;
参考文献
Coe, Paul L.; Cook, Michael I.
Journal of Fluorine Chemistry, 1989 , vol. 45, p. 323 - 330
参考文献
Castaner et al.
Anales de la Real Sociedad Espanola de Fisica y Quimica, Serie B: Quimica, 1957 , vol. 55, p. 739,741
Full Text Show Details
Corsano et al.
Annali di Chimica (Rome, Italy), 1958 , vol. 48, p. 140,154
反应条件
diethyl ether beim Erhitzen des Reaktionsprodukts im Vakuum;
参考文献
v.Auwers; Koenig
Justus Liebigs Annalen der Chemie, 1932 , vol. 496, p. 280
参考文献
Washizuka, Ken-Ichi; Nagai, Keiko; Minakata, Satoshi; Ryu, Ilhyong; Komatsu, Mitsuo
Tetrahedron Letters, 2000 , vol. 41, # 5 p. 691 - 695
反应条件
beim Destillieren des Reaktionsprodukts unter vermindertem Druck;
参考文献
v.Auwers; Koenig
Justus Liebigs Annalen der Chemie, 1932 , vol. 496, p. 280