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Gallic Acid Derived Palladium(0) Nanoparticles: An In Situ Formed “Green and Recyclable” Catalyst for Suzuki‐Miyaura Coupling in Water
Author(s) -
Mondal Manoj,
Begum Tahshina,
Gogoi Pradip K.,
Bora Utpal
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600385
Subject(s) - gallic acid , catalysis , palladium , nanoparticle , coupling reaction , transmission electron microscopy , materials science , scanning electron microscope , nuclear chemistry , chemical engineering , chemistry , nanotechnology , organic chemistry , composite material , engineering , antioxidant
Herein, we report a facile methodology for the Suzuki‐Miyaura coupling in water. The method involved use of gallic acid (a natural and abundant phytochemical) reduced palladium(0) nanoparticles (PdNPs) formed in situ. The catalyst acts efficiently at low loading with short reaction time, further can be reused effectively till four recycles. Importantly, a wide range of functional groups were found to be compatible with the given reaction conditions. The use of gallic acid influenced both rate of the catalytic reaction and size distribution of the PdNPs. The size, morphology and distribution of the in situ‐formed nanoparticles were determined by UV‐Vis, Transmission Electron Microscopy (TEM), X‐ray diffraction (XRD) patterns, Scanning electron microscopy (SEM), and energy dispersive X‐ray spectroscopy (EDS) analysis, which showed a uniform gallic acid coated aggregation of palladium particles. Since gallic acid is a non‐toxic phytochemical, the present method highlights an efficient alternative for the utilization of natural feedstock.