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Crystal structure of salts of indole alkaloid norfluorocurarine

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Abstract

Single crystal XRD is used to study the crystals of salts of indole alkaloid norfluorocurarine: hydrochloride recrystallized from absolute alcohol, dihydrate hydrochloride recrystallized from water, methochloride monohydrate recrystallized from water, solvate form of methochloride obtained from ethanol, and methobromide monohydrate. Intra- and intermolecular hydrogen bonds are analyzed in these crystals. The crystal structures of norfluorocurarine methochloride and methobromide monohydrates are isomorphic. In norfluorocurarine salts, the orientation of the carbonyl group is determined by the intramolecular C19=O…H-N1 hydrogen bond that is absent in the solvate form with ethanol.

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Authors and Affiliations

  1. S. Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan

    B. Tashkhodzhaev, M. M. Mirzaeva & P. Kh. Yuldashev

Authors
  1. B. Tashkhodzhaev
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  2. M. M. Mirzaeva
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  3. P. Kh. Yuldashev
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Correspondence to B. Tashkhodzhaev.

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Original Russian Text Copyright © 2012 by B. Tashkhodzhaev, M. M. Mirzaeva, P. Kh. Yuldashev

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Translated from Zhurnal Strukturnoi Khimii, Vol. 53, No. 3, pp. 548–553, May–June, 2012.

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Tashkhodzhaev, B., Mirzaeva, M.M. & Yuldashev, P.K. Crystal structure of salts of indole alkaloid norfluorocurarine. J Struct Chem 53, 542–547 (2012). https://doi.org/10.1134/S0022476612030183

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  • DOI: https://doi.org/10.1134/S0022476612030183

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