Chinese Journal of Catalysis ›› 2016, Vol. 37 ›› Issue (2): 250-257.DOI: 10.1016/S1872-2067(15)61021-X

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Catalytic activity of recyclable resorcinarene-protected antibacterial Pd nanoparticles in C-C coupling reactions

Urvi Panchal, Krunal Modi, Manthan Panchal, Viren Mehta, Vinod K. Jain   

  1. Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad 380009, Gujarat, India
  • Received:2015-10-08 Revised:2015-10-17 Online:2016-01-30 Published:2016-01-31

Abstract:

Novel tetra-methoxy resorcinarene tetra-hydrazide (TMRTH) has been synthesized and used as a reducing agent and a capping agent for the synthesis of water-dispersible stable palladium nanoparticles (PdNPs). The TMRTH-PdNPs were characterized by UV-Vis spectroscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and powder X-ray diffraction. The synthesized nanoparticles are polydispersible with a size of 5 ± 2 nm and were found to be recyclable over five cycles maintaining a catalytic activity in the Suzuki-Miyuara cross-coupling reaction. The nanocatalyst was superior in catalytic performance to conventional palladium catalysts with respect to reaction time, catalyst loading and recyclability. TMRTH-PdNPs show promise for their use in biological applications as they exhibit good antibacterial activity against gram-positive bacteria.

Key words: Palladium nanoparticle, Resorcinarene, Suzuki-Miyuara cross-coupling reaction, Nanocatalysis, Recyclability