Cooperative acid-base bifunctional ordered porous solids in sequential multi-step reactions: MOF vs. mesoporous silica

被引：13

作者：

Cirujano, Francisco G. ^{[1
]}

Martin, Nuria ^{[2
]}

Fu, Guangxia ^{[1
]}

Jia, Chunmei ^{[1
]}

De Vos, Dirk ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Ctr Membrane Separat Adsorpt Catalysis & Spect Su, Celestijnenlaan 200F, B-3001 Leuven, Belgium

[2] Katholieke Univ Leuven, CSCE, Celestijnenlaan 200F, B-3001 Leuven, Belgium

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2020年 / 10卷 / 06期

关键词：

METAL-ORGANIC FRAMEWORKS; CATALYSTS; FUNCTIONALIZATION; MODULATION; OXIDE;

D O I：

10.1039/c9cy02404b

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：

Two different catalytic platforms, MOF and mesoporous silica, are compared as porous support for basic amino groups. Lysine grafted to MOF-808 is reported for the first time as a highly basic catalyst, showing a competitive performance with respect to benchmark aminoalkoxysilane grafted to MCM-41. Kinetic analysis demonstrates the beneficial effect of acid sites, Zr or Al, on both types of porous solids, resulting in acid-base cooperative effects that stabilize the transition states of two sequential C-C bond forming steps for the one-pot synthesis of substituted indole.

引用

页码：1796 / 1802

页数：7

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