期刊
NEW JOURNAL OF CHEMISTRY
卷 34, 期 11, 页码 2662-2670出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0nj00292e
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资金
- CSIR, New Delhi, India
- DST, New Delhi [SR/S1/PC-56/2008]
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, C-13 CP MAS NMR and XPS. The utility of these particles as an easily separable catalyst for the Hashmi phenol synthesis is also reported.
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