Heating of 2,2'-methylenedicyclohexanone diphenylhydrazone in diethylene glycol was shown to result in unexpected formation of a bridged polyheterocyclic compound with a previously unknown skeleton, the structure of which was established by spectral methods and X-ray structural analysis. An explanation has been provided for the peculiar course of this reaction leading to a tetracyclic product.
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The Supplementary information file containing spectra and the complete X-ray structural dataset for compound 6 is available for the authorized users.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2015, 51(8), 769–771
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Moskovkina, T.V., Gaivoronskaya, K.A., Kalinovskii, A.I. et al. The structure of product from an unusual cyclization of 2,2'-methylenedicyclohexanone diphenylhydrazone. Chem Heterocycl Comp 51, 769–771 (2015). https://doi.org/10.1007/s10593-015-1773-7
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DOI: https://doi.org/10.1007/s10593-015-1773-7