Bi-functional NH2-MIL-101(Fe) for one-pot tandem photo-oxidation/Knoevenagel condensation between aromatic alcohols and active methylene compounds

被引：144
作者：
Wang, Dengke [1 ]
Li, Zhaohui [1 ]
机构：
[1] Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Res Inst Photocatalysis, Fuzhou 350002, Peoples R China
来源：
CATALYSIS SCIENCE & TECHNOLOGY | 2015年 / 5卷 / 03期
关键词：
METAL-ORGANIC FRAMEWORKS; PHOTOCATALYTIC CO2 REDUCTION; HETEROGENEOUS CATALYSIS; TRANSFORMATIONS; SYSTEM; SITES; MOFS;
D O I：
10.1039/c4cy01464b
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Tandem reactions, which enable multistep reactions in one pot, offer enormous economical advantages. For the first time, this manuscript reported that NH2-MIL-101(Fe), an earth abundant Fe-containing MOF material, can catalyze efficiently the one-pot reaction between aromatic alcohols and active methylene compounds via a tandem photo-oxidation/Knoevenagel condensation under visible light and at room temperature. NH2-MIL-101(Fe) acts as a photocatalyst for the oxidation of aromatic alcohols to aldehydes as well as a base catalyst for Knoevenagel condensation between the as-formed aldehydes and the active methylene compounds. The comparison of the reactions over NH2-MIL-101(Fe) and another two MOFs (NH2-UiO-66(Zr) and NH2-MIL-125(Ti)) reveals that the strength of the basic sites in the MOFs influences significantly the efficiency of the tandem reaction. This study highlights the great potential of MOFs as multifunctional photocatalysts for one-pot tandem reactions.
引用
收藏
页码：1623 / 1628
页数：6
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