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Synthesis and characterization of {Fe2CuO} clusters as precursors for nanosized catalytic system for Biginelli reaction |
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| Authors: | Denis Prodius Fliur Macaev Valeriu Mereacre Sergiu Shova Yurii Lutsenco Eugenia Styngach Patricia Ruiz Dmitry Muraviev Janusz Lipkowski Yurii A Simonov Constantin Turta |
| Affiliation: | 1. Institute of Chemistry, Academy of Sciences of Moldova, Chisinau, str. Academiei 3, MD-2028, Republic of Moldova;2. State University of Moldova, Department of Chemistry, Chisinau, Republic of Moldova;3. Analytical Chemistry Division, Department of Chemistry, Autonomous University of Barcelona, Barcelona, Spain;4. Institute of Physical Chemistry, Polish Academy of Sciences, Warszawa, Poland;5. Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Republic of Moldova |
| Abstract: | The novel μ3-oxo-bridged heterotrinuclear iron(III)-copper(II) trichloroacetates of the composition Fe2CuO(CCl3COO)6(THF)3] (1a) and Fe2CuO(CCl3COO)6(4-DMAP)3] (1b) have been synthesized and characterized by X-ray crystallography, IR and Mossbauer spectroscopy. These clusters were used as precursors for the synthesis of the nanosized catalytic system (～5–6 nm of γ-Fe2O3/CuO), which works as an efficient organic phase catalyst (～0.02 mol%) in a one-pot three component Biginelli synthesis. |
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