Feng Yong
2014
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Journal
Chinese Journal of Inorganic Chemistry
Abstract
Di-2,4-dichlorobenzyltin dichloride has been synthesized via the reaction of the tin powder with the di-2,4-dichlorobenzyl chloride in the hydrous toluene. Two substituted benzyltin complexes have been synthesized via the reaction of the 2-oxo-propionic acid aroyl hydrazine with the di-2,4-dichlorobenzyltin dichloride. The complexes C2 and C3 have been characterized by IR, UV-Vis,1H NMR,13 C NMR spectra, elemental analysis and the crystal structures have been determined by X-ray diffraction. The crystal structure shows that two complexes belongs to centrosymmetric structure mode with a four-membered central Sn2O2 unit, and the central Sn atom were sevencoordinated in a distorted pentagonal pyramid configuration. Thermal analysis showed that the complexes C2 and C3 can exist stably at 121 ℃ and 128 ℃ below, respectively. The interaction between complexes and Herring sperm DNA were studied by EB fluorescent probe, the result shows that the interaction of the complexes with Herring sperm DNA were intercalation and electrostatic attraction.