N-oxides and related compounds. Part XXXI. The nuclear magnetic resonance spectra and tautomerism of some substituted benzofuroxans
作者： A. J. Boulton , A. R. Katritzky , M. J. Sewell , B. Wallis
DOI: 10.1039/J29670000914
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摘要: The tautomerism of eight benzofuroxans has been studied by proton magnetic resonance at low temperatures. equilibrium constants implied small (0–500 cal./mole) energy differences, and indicated that electron-acceptor groups favoured the 6-position electron-donor 5-position. activation energies for equilibrations were in region 14 kcal./mole.
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