Functionalized magnetic nanoparticles (NPs) were shown to be excellent candidates for the development of magnetically recoverable catalysts. The goal of the present project is to synthesize magnetically controllable catalysts based on magnetic nanoparticles and polyphenylenepyridyl dendrons/dendrimers of different structure and generations. It was discovered that the dendron/dendrimer structure, their generation, and the concentration in the reaction medium determine the size and shape of magnetic iron oxide NPs. Complexation of metal compounds with pyridine moieties of the dendron/dendrimer NP shells followed by reduction results in catalytic NPs whose characteristics depend on the dendron/dendrimer structure, metal compound and reducing agent types.  The catalytic properties of magnetically recoverable catalysts in hydrogenation have been examined. High catalytic activity and selectivity along with high catalyst stability make them promising candidates for catalytic applications in fine organic syntheses.

Magnetically recoverable catalysts based on polyphenylenepyridyl dendrons and dendrimers

246th National Meeting (2013)

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