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Palladium nanoparticles‐decorated triethanolammonium chloride ionic liquid‐modified TiO 2 nanoparticles (TiO 2 /IL‐Pd): A highly active and recoverable catalyst for Suzuki–Miyaura cross‐coupling reaction in aqueous medium
Author(s) -
Veisi Hojat,
Kamangar Sheida Ahany,
Mohammadi Pourya,
Hemmati Saba
Publication year - 2019
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.4909
Subject(s) - catalysis , chemistry , ionic liquid , leaching (pedology) , coupling reaction , palladium , nanoparticle , aryl , halide , chloride , aqueous solution , suzuki reaction , ionic bonding , inorganic chemistry , heterogeneous catalysis , nuclear chemistry , green chemistry , chemical engineering , organic chemistry , alkyl , ion , environmental science , soil science , engineering , soil water
In this work, an easily obtained procedure was successfully implemented to prepare novel palladium nanoparticles decorated on triethanolammonium chloride ionic liquid‐functionalized TiO 2 nanoparticles [TiO 2 /IL‐Pd]. Different methods were carried out for characterizations of the synthesized nanocatalyst (HR‐TEM, XPS, XRD, FE‐SEM, EDX, FT‐IR and ICP). TiO 2 /IL‐Pd indicated good catalytic activity for the Suzuki–Miyaura cross‐coupling reaction of arylboronic acid with different aryl halides in aqueous media at ambient temperature. The recycled catalyst was investigated with ICP to amount of Pd leaching after 6 times that had diminished slightly, Thus, was confirmed that the nanocatalyst has a good sustainability for C–C Suzuki–Miyaura coupling reaction. The catalyst can be conveniently separated by filtration of the reaction mixture and reused for 6 times without significant loss of its activity. It supplies an environmentally benign alternative path to the existing protocols for the Suzuki–Miyaura reaction.