Structure and intramolecular mobility of N-(thio)phosphoryl(thio)amides: XV. Study of structure and intramolecular dynamics of N3-phenyl-N1-(diisopropoxythiophosphoryl)thiosemicarbazide in CD2Cl2 solution by 1H, 13C and 31P NMR spectroscopy |
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| Authors: | F Kh Karataeva N I Kopytova F D Sokolov M G Babashkina and N G Zabirov |
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| Institution: | (1) Universit? Paris-Sud XI, UMR CNRS, Inst. Biochimie, Biophysique, Batiment 430, 91405 Orsay, France;(2) Labo. Biochimie des Signaux, Universit? Paris VI, CNRS UMR 7631, 96 bd. Raspail, 75006 Paris, France |
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| Abstract: | Structure and intramolecular transformations of N3-phenyl-N1-(diisopropoxythiophosphoryl)-thiosemicarbazide in CD2Cl2 were studied by one- and two-dimensional 1H, 13C and 31P NMR spectroscopy. The combined analysis of the data of NMR spectroscopy and calculation simulation confirmed a high lability
of the studied compounds resulting in the formation of various conformational and tautomeric forms in solutions. The preference
of Z,E-conformation of the amide form with cis- and trans-location of two N-H groups and the C=S group relatively to the two C-N bonds was revealed. |
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