New Aryltellurenyl Iodides with Uncommon Valences: Synthetic and Structural Characteristics of [RTeTeI<sub>2</sub>R], [R<sub>2</sub>TeTeR<sub>2</sub>][Te<sub>4</sub>I<sub>14</sub>], and [RTe(I)I<sub>2</sub>] (R = 2,6-Dimethoxyphenyl)
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(RTe)2 (R = 2,6-dimethoxyphenyl) reacted with iodine to give [RTeTeI2R] (1), [R2TeTeR2][Te4I14] (2), and [RTe(I)I2] (3). The synthesis of the mixed-valent, neutral complex 1 occurred easily through the reaction of (RTe)2 with mesTeI (mes = 2,4,6-trimethylphenyl), which proved the ability of mesTeI to act as a selective oxidation reagent. In the cationic species [R2TeTeR2]2+ as well in the counterion [Te4I14]2− of compound 2, tellurium occurs in the rare oxidation state 3+.
创建时间：
2016-02-26
