Magnetically Reusable Polymetallic Pd-Catalyst for Sonogashira Reaction in Ionic Liquidстатья
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Дата последнего поиска статьи во внешних источниках: 26 июня 2024 г.
Аннотация:The Pd–Fe–Co–Ni/Fe3O4@Si–NH2 and Pd–Fe–Co–Ni/Fe3O4@Si–NH2@Pd hybrid materials have been synthesized based on magnetite modified with 3-aminopropyltriethoxysilane (APTES). Due to the synergistic effect, new magnetic polymetallic composites have exhibited high catalytic activity in the Sonogashira reaction in a ionic liquid medium, which makes it possible to perform catalysis efficiently in the presence of 0.5 mol % of palladium. The new catalysts can be easily removed from the reaction mixture using an external magnet and canbe used up to 5–6 times without any visible loss of activity.