硼氢化四烷基铵热解条件对近十二硼酸盐生成的影响

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Theoretical and Experimental Chemistry Pub Date : 2025-04-01 DOI:10.1007/s11237-025-09829-9

A. M. Mishchenko, A. V. Kozytskiy, Yu. L. Lishchenko, R. V. Smaliy, A. I. Subota, D. O. Leha, N. A. Shtil, A. P. Mityuk, M. A. Nechayev, Yu. V. Rassukana

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引用次数: 0

摘要

基于对四乙基铵和四丁基四硼氢化铵热解产物的11B NMR研究表明，在这一过程中，高级硼酸氢盐的形成对2.6-2.7 kPa水平的水蒸气的存在极为敏感。发现了Et4NBH4和Bu4NBH4热解生成相应\({\mathrm{B}}_{3}{\mathrm{H}}_{8}^{-}\)和\({\mathrm{B}}_{12}{\mathrm{H}}_{12}^{2-}\)盐的条件。通过本研究，开发了一种高效制备Bu4NB3H8和（Bu4N）2B12H12的方法。

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Effect of Pyrolysis Conditions of Tetraalkylammonium Borohydrides on the Formation of Closo-Dodecaborate

Based on the ¹¹B NMR study of products of the pyrolysis of tetraethylammonium and tetrabutylammonium tetraborohydrides, the formation of higher hydroborates in such processes is shown to be extremely sensitive to the presence of water vapors at a level of 2.6-2.7 kPa. The conditions in which the corresponding \({\mathrm{B}}_{3}{\mathrm{H}}_{8}^{-}\) and \({\mathrm{B}}_{12}{\mathrm{H}}_{12}^{2-}\) salts are formed by the pyrolysis of Et₄NBH₄ and Bu₄NBH₄ have been found. As a result of this study, a method for Bu₄NB₃H₈ and (Bu₄N)₂B₁₂H₁₂ obtaining with high yields has been developed.

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来源期刊

Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.60

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.