Colored Complexes of Bidentate Lewis Acids R[OB(C6F5)2]2 (R=1,4-C6H4, 1,4-C6F4) with Pyrazine

被引：0

作者：

Kudina, P. I. ^{[1
]}

Glukhovich, E. V. ^{[1
]}

Kazakov, I. V. ^{[1
]}

机构：

[1] St Petersburg State Univ, St Petersburg 199034, Russia

来源：

RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2024年 / 94卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

pi-pi intaraction; bidentate Lewis acids; pyrazine; donor-acceptor complex; BINDING; DESIGN; GUEST; BOND;

D O I：

10.1134/S1070363224110136

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Colored complexes of bidentate Lewis acids R[OB(C6F5)(2)](2) (R = p-C6H4, p-C6F4) with pyrazine have been synthesized. A mass spectrometric study of the obtained complexes was carried out, as a result of which it was established that upon heating, dissociation processes occur with a sequential transition into pyrazine and Lewis acid vapor. Using the method of diffuse reflectance spectroscopy in the visible and ultraviolet regions, the color of the compounds was characterized and a mechanism for its appearance was proposed, which consists in the presence of pi-pi interactions in the solid phase.

引用

页码：2915 / 2919

页数：5

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