Solvent Free Highly Dispersed Zinc Oxide within Confined Space of Al-Containing SBA-15 as an Efficient Catalyst for Knoevenagel Condensation

被引：3
|
作者：
Mahmoudi, Hesamaldin [1 ]
Malakooti, Reihaneh [1 ]
机构：
[1] Univ Birjand, Dept Chem, Nanochem Res Lab, Birjand, Iran
来源：
LETTERS IN ORGANIC CHEMISTRY | 2014年 / 11卷 / 06期
关键词：
ZnO center dot Al-SBA-15; mesoporous; heterogeneous catalyst; solvent-free; knoevenagel condensation; GREEN PROCEDURE; MESOPOROUS SILICA; ROOM-TEMPERATURE; ZNO CLUSTERS; FUNCTIONALIZATION; PHASE; MICROPORES; ALDEHYDES; ZIRCONIA; NITRATE;
D O I：
10.2174/1570178611666140218004037
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A mesoporous silica-supported zinc oxide catalyst was successfully synthesized by directly grinding zinc nitrate into the as-prepared Al-Containing SBA-15 occluded with template and characterized by powder X-ray diffraction (XRD), BET nitrogen adsorption-desorption methods, IR spectroscopy, transmission electron microscopy and diffuse reflectance UV-Vis spectroscopy. This solvent-free method not only saves the time and energy, but also enables a high dispersion of zinc oxide without pore blocking in the channels of mesoporous silica. The XRD and TEM analyses show that textural properties of Al-SBA-15 retained after coating process. The resulting material was successfully applied as a heterogeneous catalyst for Knoevenagel Condensation in good to excellent yields under mild conditions.
引用
收藏
页码：457 / 464
页数：8
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