The structure of indazolinone and derivatives in the solid state and in solution: an X-ray and nuclear magnetic resonance study
- 1 January 1986
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 11,p. 1677-1681
- https://doi.org/10.1039/p29860001677
Abstract
The structure of indazolinone and some of its derivatives was obtained by the combined use of crystallography, 13C CP/MAS, and 15N n.m.r. It was concluded that indazolinone exists as such in the solid state but only as a minor tautomer (15%) in DMSO solution, where the 3-hydroxyindazole tautomer predominates (85%). The result of bromination of indazolinone is reported. Two acylhydrazines, as open analogues of indazolinone, were studied as model compounds.Keywords
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