N-oxides and related compounds. Part XXXIV. The tautomerism of some naphtho-and quinolino-furoxans

1 January 1968

journal article
research article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society B: Physical Organic

p. 1516-1523
https://doi.org/10.1039/j29680001516

Abstract

Nuclear magnetic resonance (¹H) at room and elevated temperatures has been used to study the tautomerism of a number of naphtho- and quinolino-furoxans. Free-energy differences between tautomers are, in general, small, while the activation energies for their equilibrations (ca. 20 kcal./mole) are ca. 6 kcal./mole higher than those of benzofuroxans. An attempt to prepare naphtho[2,3-c]furoxan was unsuccessful.

Keywords

TAUTOMERISM
KCAL
MOLE HIGHER
NUCLEAR MAGNETIC
PREPARE NAPHTHO
PART XXXIV
MAGNETIC RESONANCE
HIGHER THAN
ACTIVATION ENERGIES

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