Mesoporous sodalite: A novel, stable solid catalyst for base-catalyzed organic transformations

被引：136

作者：

Shanbhag, Ganapati V.

Choi, Minkee

Kim, Jeongnam

Ryoo, Ryong ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Ctr Funct Nanomat, Grad Sch Nanosci & Technol, Taejon 305701, South Korea

来源：

JOURNAL OF CATALYSIS | 2009年 / 264卷 / 01期

关键词：

Mesoporous zeolite; Hierarchical; Sodalite; Basicity; Solid base; Knoevenagel; Claisen-Schmidt; Catalyst deactivation; MCM-41; ZEOLITES;

D O I：

10.1016/j.jcat.2009.03.014

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Mesoporous socialite with a mesoporous/microporous hierarchical structure was successfully synthesized using an organosilane surfactant. It showed about 10-fold high surface area and 4-fold large pore volume, as compared with sodalite with solely microporous structure. The basicity of MPSOD was higher than that of CsNaX or KAIMCM-41. The catalytic activities of this mesoporous zeolite were evaluated for various base catalyzed reactions involving bulky and small substrates, viz. Knoevenagel condensation, Claisen-Schmidt condensation in liquid phase, and acetonylacetone cyclization in vapor phase. The catalyst showed higher activity and longer lifetime than CsNaX and KAIMCM-41. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：88 / 92

页数：5

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