Abstract
Self‐assembly of dibutyltin oxide with 3‐(1,3‐dioxo‐2,3‐dihydro‐1H‐phenalen‐2‐yl)benzoic acid (HL) produces (nBu)2SnL2 (1) when benzene is used as solvent, whereas the reaction generates {[(nBu)2SnO]2L}2·C7H8 (2) when toluene is the reactive solvent. The novel organotin carboxylate (nBu)2SnL2 (1) was characterized by elemental analysis, as well as IR, 1H, 13C, and 119Sn NMR spectroscopy. Single crystal X‐ray study reveals that 1 is a dialkyltin carboxylate monomer possessing crystallographically imposed twofold symmetry. Ligand HL in 1 chelates with tin atom in bidentate coordination mode. The molecules of 1 build complicate 1D, 2D, and 3D structures via intermolecular hydrogen bonds, and π···π interactions can be found in the 3D architecture. The preliminary fluorescence activity and antitumor activity of the complex were also studied.
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