Summary
4,4,7,7-tetramethyl-1,3-dioxepane and 2,2,4,4,7,7-hexamethyl-2-sila-1,3-dioxepane exist in solution in the twist-boat conformation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 327–331, February, 1987.
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Arbuzov, B.A., Klochkov, V.V., Chernov, P.P. et al. Conformational properties of 4,4,7,7-tetramethyl-2-hetero-1,3-dioxepanes. Russ Chem Bull 36, 289–292 (1987). https://doi.org/10.1007/BF00959365
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DOI: https://doi.org/10.1007/BF00959365