Molecular Engineering of Trifunctional Supported Catalysts for the Aerobic Oxidation of Alcohols

被引：54

作者：

Fernandes, Antony E. ^{[1
,2
]}

Riant, Olivier ^{[1
]}

Jensen, Klavs F. ^{[2
]}

Jonas, Alain M. ^{[1
]}

机构：

[1] Catholic Univ Louvain, Inst Condensed Matter & Nanosci, B-1348 Louvain La Neuve, Belgium

[2] MIT, Dept Chem Engn, Cambridge, MA 02139 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 37期

关键词：

alcohol oxidation; CuAAC; multifunctional catalysts; supported catalysis; synergistic effects; MESOPOROUS SILICA NANOPARTICLES; HETEROGENEOUS SYNERGISTIC CATALYSIS; TSUJI-TROST REACTION; COOPERATIVE CATALYSIS; PALLADIUM COMPLEX; FUNCTIONAL-GROUPS; TANDEM REACTIONS; TERTIARY AMINE; SUZUKI-MIYAURA; ACID;

D O I：

10.1002/anie.201603673

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe a simple and general method for the preparation and molecular engineering of supported trifunctional catalysts and their application in the representative Cu/TEMPO/NMI-catalyzed aerobic oxidation of benzyl alcohol. The methodology allows in one single step to immobilize, with precise control of surface composition, both pyta, Cu-I, TEMPO, and NMI sites on azide-functionalized silica particles. To optimize the performance of the heterogeneous trifunctional catalysts, synergistic interactions are finely engineered through modulating the degree of freedom of the imidazole site as well as tuning the relative surface composition, leading to catalysts with an activity significantly superior to the corresponding homogeneous catalytic system.

引用

页码：11044 / 11048

页数：5

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