Ferric(III) Nitrate: An Efficient Catalyst for the Regioselective Friedel-Crafts Reactions of Indoles and tert-Enamides in Water
作者:Ran Jiang、Xiao-Jin Wu、Xu Zhu、Xiao-Ping Xu、Shun-Jun Ji
DOI:10.1002/ejoc.201000994
日期:2010.11
The ferric nitrate catalyzed Friedel–Crafts reactions of various indoles and tertiary enamides, which proceed in water at room temperature, are demonstrated for an efficient, atom-economical and environmentally friendly route to produce indole derivatives under mild conditions. Based on experimental data and mechanistic studies, the iron(III) ion was found to activate the electron-rich C=C bond with
硝酸铁催化的各种吲哚和叔烯酰胺在室温下在水中进行的弗瑞德-克来福特反应被证明是一种在温和条件下生产吲哚衍生物的有效、原子经济和环境友好的途径。根据实验数据和机理研究,发现铁 (III) 离子在催化过程中与羰基协同激活富电子的 C=C 键。