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Vibrational spectra and conformations of 2-oxo-2-methyl-1,3,2-dioxaphosphorinane and 2-oxo-2-methyl-1,3,2-dioxaphosphepane molecules

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    IR and Raman spectra of the cyclic compounds 2-oxo-2-methyl-1,3, 2-dioxaphosphorinane (I) and 2-oxo-2-methyl-1,3,2-dioxaphosphepane (II) were studied. The vibrations of conformers (I) were calculated.

  2. 2.

    Molecule (I) is characterized by conformational equilibrium of chairlike forms with axial and equatorial orientations of the P=O bond with predominance of the former in nonpolar media and of the latter in polar media. The e form is crystallized.

  3. 3.

    The corresponding seven-membered analog, molecule (II), under the same conditions has a twisted chair form.

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Authors and Affiliations

  1. A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Branch of the Academy of Sciences of the USSR, USSR

    R. R. Shagidullin, I. Kh. Shakirov, R. Kh. Musyakaeva & E. I. Matrosov

  2. A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    R. R. Shagidullin, I. Kh. Shakirov, R. Kh. Musyakaeva & E. I. Matrosov

Authors
  1. R. R. Shagidullin
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  2. I. Kh. Shakirov
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  3. R. Kh. Musyakaeva
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  4. E. I. Matrosov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2253–2258, October, 1981.

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Shagidullin, R.R., Shakirov, I.K., Musyakaeva, R.K. et al. Vibrational spectra and conformations of 2-oxo-2-methyl-1,3,2-dioxaphosphorinane and 2-oxo-2-methyl-1,3,2-dioxaphosphepane molecules. Russ Chem Bull 30, 1849–1854 (1981). https://doi.org/10.1007/BF00963406

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  • DOI: https://doi.org/10.1007/BF00963406

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