Carbon nanofibers decorated with oxo–rhenium complexes: Highly efficient heterogeneous catalyst for oxidation of amines with hydrogen peroxide
作者： Sanny Verma , Subodh Kumar , Efrat Shawat , Gilbert Daniel Nessim , Suman L. Jain
DOI: 10.1016/J.MOLCATA.2015.03.007
关键词: Polymer chemistry 、 Rhenium 、 Pyridine 、 Heterogeneous catalysis 、 Amine gas treating 、 Grafting 、 Carbon nanofiber 、 Organic chemistry 、 Hydrogen peroxide 、 Catalysis 、 Chemistry
摘要: Abstract Pyridine functionalized carbon nanofibers (Py-CNFs) were synthesized, characterized and used for the grafting of oxo–rhenium complex i.e., methyltrioxorhenium (MTO) via acid-base ionic interaction. The MTO to Py-CNFs was confirmed by FTIR, UV–vis, SEM, TEM TGA analyses. determination rhenium content ICP-AES further suggested successful immobilization support. developed heterogeneous material MTO@Py-CNFs found be an efficient catalyst oxidation various secondary as well tertiary amines corresponding nitrones or N-oxides, respectively using hydrogen peroxide. readily recovered centrifugation reused subsequent ten runs without any significant loss in catalytic activity.
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