Study of Hydrolysis of Nitrile Derivatives of closo-Dodecaborate Anion (Et4N)[B12H11N≡C–R] (R = Me, Et, nPr, iPr)

The reaction of nitrile derivatives of closo -dodecaborate anion (Et 4 N)[B 12 H 11 N≡C–R] (R = Me, Et, n Pr, i Pr) with water has yielded a series of (Et 4 N)[B 12 H 11 NH=C(OH)–R] iminols. It has been demonstrated that the hydrolysis products are in acid–base iminol–amide equilibrium, which can be...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2023-06, Vol.68 (6), p.684-689
Main Authors: Nelyubin, A. V., Klyukvin, I. N., Selivanov, N. A., Bykov, A. Yu, Kubasov, A. S., Zhdanov, A. P., Zhizhin, K. Yu, Kuznetsov, N. T.
Format: Article
Language:English
Subjects:
Anions
Chemistry
Chemistry and Materials Science
Hydrolysis
Infrared spectroscopy
Inorganic Chemistry
Mass spectrometry
NMR
Nuclear magnetic resonance
Reaction products
Single crystals
Synthesis and Properties of Inorganic Compounds
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Summary:The reaction of nitrile derivatives of closo -dodecaborate anion (Et 4 N)[B 12 H 11 N≡C–R] (R = Me, Et, n Pr, i Pr) with water has yielded a series of (Et 4 N)[B 12 H 11 NH=C(OH)–R] iminols. It has been demonstrated that the hydrolysis products are in acid–base iminol–amide equilibrium, which can be controlled by changing the pH of a medium. The reaction products have been identified by 11 В, 1 Н, 13 С NMR, IR spectroscopy, and ESI mass spectrometry. The structures of the [B 12 H 11 ( Z -NH=C(OH) n C 3 H 7 )] − and [B 12 H 11 ( E -NH–C(O) n C 3 H 7 )] 2− anions have been determined by X-ray single-crystal diffraction.
ISSN:0036-0236
1531-8613
DOI:10.1134/S003602362360048X