具有立体要求的氨基吡啶配体的二氯化钪的合成与结构

Molbank Pub Date : 2024-04-10 DOI:10.3390/m1805

Sadaf Qayyum

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摘要

(2,6-二异丙基苯基)-[6-(2,4,6-三异丙基苯基)-吡啶-2-基]-胺（Ap*H）的钾盐与等摩尔比的[ScCl3]在四氢呋喃（thf）中反应生成单核单（氨基吡啶）二氯化钪络合物[Ap*ScCl2(thf)2]。X 射线分析表明标题化合物为单体。化合物[C40H59Cl2N2O2Sc]在单斜空间群 P21/n 中结晶，具有以下晶胞参数：a = 12.4441(8) b = 22.9975(10) c = 13.9971(8) Å，β = 92.297(5)°, V = 4002.5(4) A3，Z = 4。Hirshfeld 分析表明，H...H（91.1%）、H...C/C...H（5.0%）和 H...Cl/Cl...H （3.9%）是固态结构中的主要相互作用。通过核磁共振光谱对该化合物进行了进一步表征，并通过元素分析确认了其纯度。

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The Synthesis and Structure of Scandium Dichloride of Sterically Demanding Aminopyridinato Ligands

The reaction of the potassium salt of (2,6-diisopropylphenyl)-[6-(2,4,6-triisopropylphenyl)-pyridine-2-yl]-amine (Ap*H) with the equimolar ratio of [ScCl3] in tetrahydrofuran (thf) resulted in the mononuclear mono(aminopyridinato) scandium dichloride complex [Ap*ScCl2(thf)2]. An X-ray analysis showed the title compound to be monomeric. The compound [C40H59Cl2N2O2Sc] crystallized in the monoclinic space group, P21/n, and possessed the following cell parameters: a = 12.4441(8) b = 22.9975(10) c = 13.9971(8) Å, β = 92.297(5)°, V = 4002.5(4) A3, and Z = 4. Hirshfeld analyses show that H…H (91.1%), H…C/C…H (5.0%), and H…Cl/Cl…H (3.9%) are the contributing interactions in the solid-state structure. The compound was further characterized by NMR spectroscopy, and its purity was confirmed by elemental analysis.

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