5,6-二苯基-2,3-二羟基吡嗪合成路线 （共 16 条）
反应条件
ethanol; hydrazine hydrate isomer of mp: 230 degree resp. mp: 197 degree;
参考文献
van Alphen
Recueil des Travaux Chimiques des Pays-Bas, 1935 , vol. 54, p. 443,445
参考文献
Mason
Chemische Berichte, 1887 , vol. 20, p. 270
反应条件
ethylenediamine in N,N-dimethyl-formamide T=20°C; 730.5 h; Inert atmosphere;
参考文献
Mirifico, Maria Virginia; Caram, Jose Alberto; Vasini, Enrique Julio; Piro, Osear Enrique; Castellano, Eduardo E.
Journal of Physical Organic Chemistry, 2009 , vol. 22, # 2 p. 163 - 169
参考文献
Mason; Dryfoos
Journal of the Chemical Society, 1893 , vol. 63, p. 1296
Full Text Show Details
Lora Tamayo et al.
Anales de la Real Sociedad Espanola de Fisica y Quimica, 1954 , vol. <B> 50, p. 865,867
反应条件
1: 82 percent / Sulfur / 0.5 h / 140 °C
2: 73.4 percent / 90percent H2O2, maleic anhydride / CHCl3 / 2 h / Heating
3: 86 percent / POCl3 / 0.33 h / Heating
4: 72 percent / 90percent H2O2, maleic anhydride / CHCl3 / 48 h / Ambient temperature
5: 86 percent / POCl3 / 1 h / Heating
View Scheme
参考文献
Watahiki, Hiroko; Tsutsui, Mayumi; Akita, Yasuo; Watanabe, Tokuhiro; Kurihara, Teruo
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 465 - 473
反应条件
1: 82 percent / Sulfur / 0.5 h / 140 °C
2: 73.4 percent / 90percent H2O2, maleic anhydride / CHCl3 / 2 h / Heating
View Scheme
参考文献
Watahiki, Hiroko; Tsutsui, Mayumi; Akita, Yasuo; Watanabe, Tokuhiro; Kurihara, Teruo
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 465 - 473
