Abstract
AbstractNovel palladium‐doped nanoporous carbon composite material obtained via thermolysis of amorphous zeolitic imidazolate framework (aZIF) was synthesized and used as an efficient catalyst on Suzuki–Miyaura cross‐coupling reactions of aryl bromides. With this developed catalytic system, the Suzuki–Miyaura cross‐coupling reaction was accomplished in aqueous solutions, and biaryls were obtained in good to excellent yields in a short reaction time. The APC‐750@Pd catalyst was characterized by Fourier Transform Infrared spectroscopy (FTIR), X‐ray Diffraction (XRD), Scanning Electron Eicroscopy (SEM), X‐ray Photoelectron Spectroscopy (XPS), Transmission Electron Microscopy (TEM), Thermal Gravimetric Analysis (TGA), Differential Thermal Analysis (DTA), Inductively Coupled Plasma Mass Spectrometry (ICP‐MS) and Brunauer–Emmett–Teller (BET) analysis tecniques. N‐doped porous carbon material (NPC‐1000) was synthesized by thermolysis from aZIF. Activated porous carbon material (APC‐750) was fabricated via fused at 750°C with KOH from NPC‐1000. The APC‐750@Pd was obtained as a result of the interaction of APC‐750 and PdCl2in deionized water. The cross‐coupling reaction of different aryl bromides with phenylboronic acid was investigated to show the potential of the APC‐750@Pd in the Suzuki–Miyaura cross‐coupling reactions. The APC‐750@Pd catalyst could be recycled at least five times with a 15% loss of catalytic efficiency in this catalytic system.
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