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    Article

    Nature of weak inter-and intramolecular interactions in crystals 8. Influence of intermolecular contacts on the strength of intramolecular O-H...N bonds in crystals of 3-(2-hydroxyphenyl)-1,2,4-triazoles

    The nature and energy of the intramolecular H-bond in 3-(2-hydroxyphenyl)-1,2,4-triazoles was studied by X-ray diffraction and quantum chemical methods. In this system, the conjugation does not additionally co...

    D. G. Golovanov, A. O. Tokareva, A. I. Uraev, Yu. I. Ryabukhin… in Russian Chemical Bulletin (2006)

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    Article

    Complex Formation in the System Bis[2-(trimethylammonio)ethyl] Succinate Diodide-Iodine in Solutions and in Crystal

    The complex formation in the system bis[2-(trimethylammonio)ethyl] succinate diodide-iodine involves no more than two iodine molecules. The crystal structure of the salt [(CH3)3N(CH2)2OCOCH2]2(I3)2 is formed b...

    O. N. Kazheva, O. A. D'yachenko… in Russian Journal of General Chemistry (2002)

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    Article

    Photomonocyclization of 1,2,6-triarylpyridinium cations

    It was found by UV spectroscopy and x-ray diffraction analysis that the photocyclization of 1-(3'-halophenyl)-2,4,6-triphenylpyridiniurn cations leads to stable 1,3-diphenyl-11-chloro(bromo)-azoniatriphenylene...

    Ya. R. Tymyanskii, S. M. Aldoshin… in Bulletin of the Academy of Sciences of the… (1982)

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    Article

    Synthesis of natural isoflavones and their structural analogs

    A number of natural isoflavones and their structural analogs have been synthesized by improved ethyl orthoformate and dimethylformamide methods. It has been possible to use the dimethylformamide method for the...

    G. N. Dorofeenko, A. L. Shinkarenko, A. L. Kazakov… in Chemistry of Natural Compounds (1974)