Magnetically retrievable nanocatalysts have been employed for various important organic transformations thus bridging the fields of homogeneous and heterogeneous catalysis; the salient feature being their robustness, ease of handling and magentically recoverable nature which avoids the necessity for a traditional filteration/separation processes. Herein, we describe the design and development of magnetite-SO<sub>3</sub>H, maghemite-Au, maghemtie-CuO and maghemite-Pd, among others bearing protic acid and metal nanocatalyst systems from inexpensive precurors. The utility of such nanocatalysts for several name reactions such as Ritter reaction, Ullman-type condensation, Suzuki reaction and Heck coupling reactions including the reduction of nitro-, azide-, alkene- functional groups under flow conditions will be described; these nanocatalysts display high activity and recyclability with negligible leaching which bodes well for their widespread use in the synthesis.

Magnetic nanocatalysts for benign organic transformations

251st National Meeting (2016)

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