Chlorination of Sulfonium Derivatives of closo-Decaborate Anion with Carboxyl-Containing Substituents

Doklady Chemistry - Tập 500 - Trang 205-208 - 2022
A. V. Golubev1, A. S. Kubasov1, A. Yu. Bykov1, K. Yu. Zhizhin1, N. T. Kuznetsov1
1Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

Tóm tắt

The reaction of sulfonium closo-decaborate derivatives containing carboxyl groups with sulfuryl chloride SO2Cl2 as a halogenating agent was studied. The reaction gave fully halogenated derivatives of the closo-decaborate anion, (n-Bu4N)[2-B10Cl9SR2] (R = –CH2COOEt, –CH2COOH), which was confirmed by 11B, 1H, and 13C NMR and IR spectral data. The structure of the [2-B10Cl9S(CH2COOEt)2]– anion was established using single crystal X-ray diffraction.

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