Abstract
A new inorganic-organic hybrid material with the structural formula (C51H66N9)3[FeCl4]⸳2Cl consisting of iron(III) center, 2-amino-perimidinium ligand and free chloride ions was synthesized. In addition, the compound was characterized by single-crystal X-ray diffraction and Fourier-transformed infrared spectroscopy techniques. The structural arrangements and hydrogen bonding interactions in the compound were studied and successfully employed in the catalytic hydroarylation of alkynes and arenes to produce the corresponding 1,1-diaryl alkene derivatives. Gratifyingly, when nitromethane was employed as a solvent, the title compound displayed excellent catalytic activity with moderate to high conversions. Stoichiometric reactions and experimental data both provided key evidence in support of the reaction mechanism.
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