Interaction of Fluosilicic Acid with N-tert-Butyl-Substituted Urea. Crystal Structure of N,N-Di-tert-butylurea View Full Text


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Article Info

DATE

2005-11

AUTHORS

V. O. Gel'mbol'dt, L. V. Koroeva, Ya. E. Filinchuk

ABSTRACT

Fluosilicic acid reacts with solutions of N,N-di-tert-butylurea (DTBU) in methanol or acetone to form crystalline compounds 2DTBU ⋅ H2SiF6 and 2DTBU ⋅ H2SiF6 ⋅ Me2CO, which were characterized by the IR and 19F NMR spectra and mass spectroscopy supplemented by theoretical calculations. According to the data of IR and 19F NMR spectra, the complexes are hexafluorosilicates of O-protonated DTBU. They undergo hydrolysis in organic media with water traces; their solubility in water is very low (0.10 and 0.14 wt %, respectively). In the DTBU structure, two independent ligand molecules are joined by hydrogen bonds NH⋯O(N⋯O) 2.888(5)–2.944(5) Å). More... »

PAGES

775-779

References to SciGraph publications

  • 2002-04. Compounds of Acetamide and Its Analogs with Inorganic Acids: Synthesis and Properties in RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
  • 2002-02. Interaction of Fluorosilicic Acid with N,O- and N,S-Ambidentate Organic Bases in RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
  • 2003-11. Crystal Structure of N,N′-Di-tert-Butylurea as a N,O-Donating Ligand in RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
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    http://scigraph.springernature.com/pub.10.1007/s11173-005-0168-1

    DOI

    http://dx.doi.org/10.1007/s11173-005-0168-1

    DIMENSIONS

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