Two py-functionalized perylene-bis-imide ligands were synthesized and used to make bimetallic half-sandwich Ru(II) complexes. These were characterized by IR, 1H NMR, 13C CPMAS SSNMR spectroscopy and elemental analysis. The complexes are wheel-and-axle compounds where the axle is the divergent ligand and the wheels are the [(p-cymene)RuCl2] units. The complexes, but not the free ligands, showed absorption of VOCs such as toluene and xylenes through heterogeneous solid-gas uptakes. The reactivity is ascribable to the waa geometry, likely by an upset of the high stacking characterizing the crystalline frameworks of the free ligands. The kinetic profiles of the uptake reactions were determined.
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