A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 128143-89-5, Name is 4′-Chloro-2,2′:6′,2”-terpyridine, molecular formula is C15H10ClN3. In an article, author is Appa, Rama Moorthy,once mentioned of 128143-89-5, Category: catalyst-ligand.
Structure controlled Au@Pd NPs/rGO as robust heterogeneous catalyst for Suzuki coupling in biowaste-derived water extract of pomegranate ash
This article explores the aptness of water extract of pomegranate ash (WEPA) of agro-waste origin as an effective media for a heterogeneous reduced graphene oxide (rGO)-supported Au-Pd bimetallic nanoparticles (NPs)-catalyzed Suzuki coupling without the need of additional ligand, base, and additives at room temperature. Morphological and structural details of Au-Pd bimetallic nanoparticles/rGO are evaluated using a suite of electron microscopy, X-ray diffraction, and cyclic voltammetry techniques. A facile chemical reduction method using methyl amine borane as a reducing agent yields 5.8 nm-sized Au-Pd bimetallic particles on the rGO surface with an Au@Pd core-shell morphology. The structural, synergistic, and support capabilities offered by core-shell structured Au@Pd NPs/rGO could made a positive contribution in achieving Suzuki coupling reactions in very short times (5-30 min) with a good to excellent yields of biaryls (91-99%). The catalyst has been easily recovered by phase separation and reused for three consecutive times without losing its effective catalytic property up to two cycles.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI