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Atranes

XXXIII. PMR spectra of metalloatrane-3,7,10-triones containing a group-IIIB metal atom

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The PMR spectra of acidified solutions of metalloatrane-3,7,10-trione dihydrates

containing a group-IIIB metal atom (M=Al, Ga, In, Tl) in D2O were studied. The equivalence of the three atrane half-rings in all of the investigated molecules and of the methylene protons in each half-ring was proved. Spin-spin coupling of203Tl and205Tl with protons, which is apparently realized through a Tl←N transannular coordinate bond, is observed in the PMR spectrum of thallatrane-3,7,10-trione (M=Tl). The factors that determine the magnitudes of the chemical shifts of the methylene protons are discussed.

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See [1] for communication XXXII.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 312–314, March, 1973.

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Voronkov, M.G., Pestunovich, V.A., Mikhailova, S.V. et al. Atranes. Chem Heterocycl Compd 9, 286–288 (1973). https://doi.org/10.1007/BF00944495

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  • DOI: https://doi.org/10.1007/BF00944495

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