Intramolecular Inversion of Configuration at Tetrahedral Carbon Centres in Dipolar Spiro-σ-Complexes of Amino-, Diamino- and Aminothiotropones: a Dynamic NMR Spectral Study

Intramolecular Inversion of Configuration at Tetrahedral Carbon Centres in Dipolar Spiro-σ-Complexes of Amino-, Diamino- and Aminothiotropones: a Dynamic NMR Spectral Study

Inversion of configuration at the tetrahedral carbon centres of dipolar spiro-σ-complexes formed by coupling 2-(N-benzylamino)tropone, 2-(N-benzylamino)thiotropone or N,N’-dibenzyl-2-aminotroponimine with electrophilic aromatic and heterocyclic compounds has been found to occur intramolecularly with...

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Veröffentlicht in:Mendeleev communications 1994, Vol.4 (5), p.162-164
Hauptverfasser: Olekhnovich, Lev P., Budarina, Zoya N., Lesin, Aleksander V., Kurbatov, Sergei V., Borodkin, Gennadii S., Minkin, Vladimir I.
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Sprache:eng
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Zusammenfassung:Inversion of configuration at the tetrahedral carbon centres of dipolar spiro-σ-complexes formed by coupling 2-(N-benzylamino)tropone, 2-(N-benzylamino)thiotropone or N,N’-dibenzyl-2-aminotroponimine with electrophilic aromatic and heterocyclic compounds has been found to occur intramolecularly with energy barriers accessible to measurement by means of dynamic 1H NMR spectral techniques.
ISSN:0959-9436
DOI:10.1070/MC1994v004n05ABEH000394