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Structure and intramolecular mobility of N-(thio)phosphoryl(thio)amides: XVI. 1H, 13C and 31P NMR study of intramolecular dynamics of N,N′-bis(thio)phosphoryl(thio)urea containing an open-chain fragment in CD2Cl2 and CD3CN solutions

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Abstract

The structure and intramolecular transitions of N,N′-bis[N-disopropoxythiophosphorylaminothiocarbonyl]-1,7-diaminoheptane in CD2Cl2 and CD3CN 3–10% solutions were studied by means of 1H, 13C, and 31P NMR spectroscopy. Combined analysis of the NMR data confirmed a high lability of the molecules with the realization of two conformational forms of the macromolecule, the amide-amide proton exchange, and existence of various tautomeric forms.

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  1. Kazan State University, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008, Russia

    F. Kh. Karataeva

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  1. F. Kh. Karataeva
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Correspondence to F. Kh. Karataeva.

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Original Russian Text © F.Kh. Karataeva, 2011, published in Zhurnal Obshchei Khimii, 2011, Vol. 81, No. 3, pp. 391–396.

For communication XV, see [1].

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Karataeva, F.K. Structure and intramolecular mobility of N-(thio)phosphoryl(thio)amides: XVI. 1H, 13C and 31P NMR study of intramolecular dynamics of N,N′-bis(thio)phosphoryl(thio)urea containing an open-chain fragment in CD2Cl2 and CD3CN solutions. Russ J Gen Chem 81, 488–492 (2011). https://doi.org/10.1134/S1070363211030078

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  • DOI: https://doi.org/10.1134/S1070363211030078

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