CAN 145:271216 AN 2006:646513 CAPLUS (COPYRIGHT (C) 2008 ACS ON SCIFINDER (R)) ABSTRACT THE RING INVERSION BARRIER FOR THIANTHRENE TETRAOXIDE WAS DETD. BY MAKING USE OF THE VARIABLE TEMP. 13C NMR SPECTRA OF THE 2,7-DIISOPROPYL DERIV. (ΔG.THERMOD. = 6.5 KCAL MOL-1). THE BARRIER IS LOWER THAN THAT MEASURED FOR A TRANS THIANTHRENE DIOXIDE DERIV. (ΔG.THERMOD. = 9.35 KCAL MOL-1). THESE RESULTS AGREE WELL WITH AB INITIO THEOR. PREDICTIONS.
Ring Inversion Dynamics of Derivatives of Thianthrene Di- and Tetraoxide.
CASARINI, Daniele;
2006-01-01
Abstract
CAN 145:271216 AN 2006:646513 CAPLUS (COPYRIGHT (C) 2008 ACS ON SCIFINDER (R)) ABSTRACT THE RING INVERSION BARRIER FOR THIANTHRENE TETRAOXIDE WAS DETD. BY MAKING USE OF THE VARIABLE TEMP. 13C NMR SPECTRA OF THE 2,7-DIISOPROPYL DERIV. (ΔG.THERMOD. = 6.5 KCAL MOL-1). THE BARRIER IS LOWER THAN THAT MEASURED FOR A TRANS THIANTHRENE DIOXIDE DERIV. (ΔG.THERMOD. = 9.35 KCAL MOL-1). THESE RESULTS AGREE WELL WITH AB INITIO THEOR. PREDICTIONS.File in questo prodotto:
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