Abstract
AbstractThe reaction of benzeneseleninic acid with bis(p‐methoxyphenyl)tellurium dihalide [halide = Cl (1), Br (2)] afforded colorless crystals in moderate yield. Single‐crystal X‐ray diffraction revealed the formation of 12‐membered macrocycles [(p‐MeO‐C6H4)2Te(μ‐O)(μ‐PhSeO2)(μ4‐X)]2 [X = Cl (1), Br (2)] where the halogen atoms, which are stabilized by Te–X interactions, cap the macrocycle on both sides. The reaction of NaI with 1 afforded the iodo‐capped macrocycle [(p‐MeO‐C6H4)2Te(μ‐O)(μ‐PhSeO2)(μ4‐I)]2 (3) in good yield. In the solid‐state structures of 1–3, the alignment of the phenyl group on Se changes with respect to the macrocycle. Macrocycle 3 shows rare Se–π interactions, which lead to the formation of a supramolecular polymeric network. Further reaction of methaneseleninic acid with bis(p‐methoxyphenyl)tellurium dichloride in methanol in the presence of triethylamine afforded a 12‐membered macrocycle [(p‐MeO‐C6H4)2Te(μ‐O)(μ‐MeSeO2)(μ4‐Cl)]2 (4), which is structurally similar to 1–3.
Published Version
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