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Issue 11, 2010
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‘Clicking’ molecular hooks on silica nanoparticles to immobilize catalytically important metal complexes: the case of gold catalyst immobilization

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Abstract

Gold mediated reactions have emerged as one of the best choices for affecting a variety of chemical transformations with a wide range of functional group tolerance. Application of such transformations to industrial processes necessitates immobilization of the Au ions into a matrix for easy separation of the catalyst after reaction. We report the synthesis and characterization of silica nanoparticles in which Au(III) has been immobilized through a 1,2,3-triazole linkage using an alkynalated picolinic acid exploiting “click chemistry”. The Au(III) immobilized silica nanoparticle has been thoroughly characterized using FT-IR, 13C CP MAS NMR and XPS. The utility of these particles as an easily separable catalyst for the Hashmi phenol synthesis is also reported.

Graphical abstract: ‘Clicking’ molecular hooks on silica nanoparticles to immobilize catalytically important metal complexes: the case of gold catalyst immobilization

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Publication details

The article was received on 19 Apr 2010, accepted on 24 Jun 2010 and first published on 16 Aug 2010


Article type: Paper
DOI: 10.1039/C0NJ00292E
Citation: New J. Chem., 2010,34, 2662-2670
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    ‘Clicking’ molecular hooks on silica nanoparticles to immobilize catalytically important metal complexes: the case of gold catalyst immobilization

    A. Kr. Ganai, R. Bhardwaj, S. Hotha, S. S. Gupta and B. L. V. Prasad, New J. Chem., 2010, 34, 2662
    DOI: 10.1039/C0NJ00292E

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