Electron paramagnetic resonance, ENDOR and TRIPLE resonance study of some 9,10-anthraquinone radicals in solution

EPR, ENDOR and TRIPLE resonance spectra were recorded for 1,8‐dihydroxy‐3‐methyl‐9,10‐anthraquinone and 9,10‐anthraquinone‐2‐carboxylic acid anion radicals and the 9,10‐anthraquinol‐2‐carboxylic acid cation radical. EPR spectra were recorded for the 5,8‐dideuterio‐1,4‐dideuterioxy‐9,10‐anthraquinone...

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Veröffentlicht in:	Magnetic resonance in chemistry 1992-10, Vol.30 (10), p.987-991
Hauptverfasser:	Vuolle, Mikko, Mäkelä, Reijo
Format:	Artikel
Sprache:	eng
Schlagworte:	10-anthraquinone radicals Atomic and molecular physics ENDOR EPR Exact sciences and technology Molecular properties and interactions with photons Multiple resonances (including double and higher-order resonance processes, such as double nuclear magnetic resonance, electron double resonance and microwave optical double resonance) Physics Substituted 9 Substituted 9,10‐anthraquinone radicals
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Zusammenfassung:	EPR, ENDOR and TRIPLE resonance spectra were recorded for 1,8‐dihydroxy‐3‐methyl‐9,10‐anthraquinone and 9,10‐anthraquinone‐2‐carboxylic acid anion radicals and the 9,10‐anthraquinol‐2‐carboxylic acid cation radical. EPR spectra were recorded for the 5,8‐dideuterio‐1,4‐dideuterioxy‐9,10‐anthraquinone anion radical, the 6,7‐dideuterio‐1,4‐dideuterioxy‐9,10‐anthraquinone anion radical and the 1,4‐dihydroxy‐9,10‐anthraquinol cation radical. The coupling contants of the 1,4‐dihydroxy‐9,10‐anthraquinone anion radical were assigned by deuteriation.
ISSN:	0749-1581 1097-458X
DOI:	10.1002/mrc.1260301013