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The title compound 2-(5-(4-chlorophenyl)-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)- pyridine(C20H16ClN3, Mr = 333.81) has been synthesized and its crystal structure was determined by single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/n with a = 10.9925(12), b = 11.0378(12), c = 14.2751(18) , β = 98.074(11)°, V = 1714.9(3)3, Z = 4, Dc = 1.293 g/cm3, μ(MoKα) = 0.228 mm-1, F(000) = 696, the final R = 0.0521 and wR = 0.1349 for 3495 observed reflections with I 2σ(I). Intermolecular C–H...π interactions and π-π stacking interactions stabilize the crystal structure. The binding study by fluorescence spectroscope titration showed that the title compound can selectively recognize Fe3+ in THF solution with fluorescence quenching. 相似文献
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