Abstract
2,2-Dimethyl-3-[(4-methylphenyl)sulfonyl]-2,3-dihydro-1,3,2-benzoxazasilole was synthesized by the reaction of N-(2-hydroxyphenyl)-4-methylbenzenesulfonamide with dimethyl-dichlorosilane or N, N-bis(dimethylamino)dimethylsilane in 68 and 96% yield, respectively. The structure of the new compound was assigned using NMR and IR spectroscopy and confirmed by X-ray diffraction. In the crystal, the silole molecules are linked to each other by short O⋯H-C contacts (∼2.6 Å) between the oxygen atoms of the bicyclic moiety and the methyl hydrogen atoms of adjacent molecules.
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This work was financially supported by the Russian Foundation for Basic Research (Project No. 18-33-00368-mol_a). The main results were obtained using equipment of the Baikal Analytical Center for Collective Use of the Siberian Branch of the Russian Academy of Sciences.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 386–390, February, 2021.
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Nikonov, A.Y., Sterkhova, I.V. & Lazareva, N.F. 2,2-Dimethyl-3-[(4-methylphenyl)sulfonyl]-2,3-dihydro-1,3,2-benzoxazasilole: synthesis, properties, and structure. Russ Chem Bull 70, 386–390 (2021). https://doi.org/10.1007/s11172-021-3097-3
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DOI: https://doi.org/10.1007/s11172-021-3097-3