L'ARYLATION DES QUINONES PAR LES SELS DE DIAZONIUM : II. SUR LA SYNTHÈSE DES 2,5-BISARYL-<i>p</i>-BENZOQUINONES
作者:P. Brassard、P. L'Écuyer
DOI:10.1139/v58-100
日期:1958.4.1
not available
不可用
Schimmelschmidt, Justus Liebigs Annalen der Chemie, 1950, vol. 566, p. 184,204
作者:Schimmelschmidt
DOI:——
日期:——
C–H arylation reactions through aniline activation catalysed by a PANI-g-C<sub>3</sub>N<sub>4</sub>-TiO<sub>2</sub> composite under visible light in aqueous medium
作者:Liang Wang、Jun Shen、Sen Yang、Wenjie Liu、Qun Chen、Mingyang He
DOI:10.1039/c8gc00012c
日期:——
composite was prepared and found to be efficient for radical C–H arylationreactions. The arylation process involved coupling of in situ generated aryl diazonium salts from aniline with heteroarenes, enol acetates or benzoquinones under visible light in aqueous medium or pure water. A broad range of substrates survived the reaction conditions to provide the desired products in moderate to good yields
制备了聚苯胺(聚苯胺)-gC 3 N 4 -TiO 2复合材料,发现它对自由基CHH芳基化反应有效。芳基化过程涉及在水性介质或纯水中在可见光下将苯胺的原位生成的芳基重氮盐与杂芳烃,烯醇乙酸酯或苯醌结合。各种各样的底物在反应条件下均能幸存,以中等至良好的产率提供所需的产物。还实现了放大(10 mmol)合成。该半导体光催化剂显示出良好的光催化性能和稳定性。循环研究表明,这种复合材料很容易被回收,连续十次运行后,催化活性略有下降。
Stetter; Schwarz, Justus Liebigs Annalen der Chemie, 1958, vol. 617, p. 54,58