Synthesis of bifunctional catalysts Al-SBA-15-NH2 with high aluminum content and the catalytic application for different one-pot reactions

被引：34

作者：

Wang, Chunhua

Shang, Fanpeng

Yu, Xiaofang

Guan, Jingqi ^{[1
]}

Kan, Qiubin ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130023, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 18期

关键词：

pH-adjusting; Acid and base; Mesoporous; One-pot reaction; MESOPOROUS MOLECULAR-SIEVES; SILICA; SBA-15; CONDENSATION; TITANIUM; IMMOBILIZATION; ALUMINATION; COPOLYMER; TRIBLOCK; AMINES;

D O I：

10.1016/j.apsusc.2012.03.117

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：

Acid-base bifunctional mesoporous catalysts Al-SBA-15-NH2 containing high content of Al and organic amine functional groups have been synthesized through the "pH-adjusting" method. The materials were characterized by X-ray diffraction (XRD), scanning electron micrographs (SEM), transmission electron micrographs (TEM), Fourier-transform infrared spectroscopy (FTIR), IR spectra of pyridine adsorption, NH3-TPD and elemental analysis. Catalytic results showed that 6-Al-SBA-15-NH2 (Si/Al = 6 mol%) was more active than 10-Al-SBA-15-NH2 (Si/Al = 10 mol%) in one-pot deacetalization-Knoevenagel and deacetalization-nitroaldol (Henry) reactions. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：6846 / 6852

页数：7

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