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Two polymorphic modifications of 1-(N-morpholiniomethyl)spirobi- (3-oxo-2,5-dioxa-1-silacyclopentan)- ate hydrate

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Chemistry of Heterocyclic Compounds Aims and scope

The compound 1-(N-morpholiniomethyl)spirobi(3-oxo-2,5-dioxa-1-silacyclopentan)ate crystallizes from aqueous solution of γ-butyrolactone in the form of two crystal hydrate modifications: monoclinic (with D = 1.53 g/cm3, space group P 21/n) and triclinic (D = 1.45 g/cm3, space group P1-). For the monoclinic form, an X-ray structural study at -100°C has been performed. For both structures the coordination polyhedron of the silicon atom is a trigonal bipyramid. In the crystal structures there are strong intermolecular hydrogen bonds of NH···O and OH···O types.

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Authors and Affiliations

  1. Latvian Institute of Organic Synthesis, Riga, LV, 1006, Latvia

    S. Belyakov, I. Kalvinsh, E. Valbahs & E. Lukevics

  2. Department of Organic Chemistry, University of Podlasie, Siedlce, 08-110, Poland

    N. Erchak & K. Pypowski

  3. Department of Chemistry, Brest State University, Brest, 224665, Belarus

    N. Erchak

Authors
  1. N. Erchak
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  2. S. Belyakov
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  3. I. Kalvinsh
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  4. K. Pypowski
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  5. E. Valbahs
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  6. E. Lukevics
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Corresponding author

Correspondence to S. Belyakov.

Additional information

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1419-1426, September, 2009.

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Erchak, N., Belyakov, S., Kalvinsh, I. et al. Two polymorphic modifications of 1-(N-morpholiniomethyl)spirobi- (3-oxo-2,5-dioxa-1-silacyclopentan)- ate hydrate. Chem Heterocycl Comp 45, 1137–1143 (2009). https://doi.org/10.1007/s10593-009-0397-1

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  • DOI: https://doi.org/10.1007/s10593-009-0397-1

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