Mesoporous materials have several advantages like high surface area, high pore volumes, easily controllable, and relatively uniform and narrow pore size distributions, and convenient ways of attachment of desired organic or organometallic species lead to multi use organic-inorganic hybrid materials which have been effectively utilized for various applications such as drug delivery, enzyme encapsulation, catalysis, sensors, and nanoelectronics etc. Single site Pt (II) complexes were covalently tethered on mesoporous silica nanoparticles (MSNs) using co-condensation and grafting methods and the resulting catalysts were studies for olefin hydroarylation reaction of unactivated olefins. A comprehensive study was carried out towards understanding the different structural aspects of the catalysts and catalysis. A comparison was made between heterogeneous catalysts and homogeneous catalysts reported in previous studies. Single site Pd (II) complexes were covalently tethered on mesoporous silica nanoparticles (MSNs) using co-condensation and grafting methods and the resulting catalysts were studies for allylic acetoxylation reaction of alkenes. Various novel approaches were tried to understand the various aspects of this catalysis in detail.
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