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Radiation damage in organic phosphates: crystal structure of 3-O-diphenoxyphosphoryl-1,2-O-isopropylidene 5-O-trityl-α-D-ribofuranose and an electron spin resonance study of the x-irradiated single crystal

Authors
Celalyan-Berthier, Alice
Published in Journal of the Chemical Society Faraday Transactions. 1988, vol. 84, no. 11, p. 4105-4113
Abstract The crystal structure of the title phosphated sugar (I) has been determined. The angular variations of the e.s.r. spectra obtained with a single crystal of (I) X-irradiated at T 100 K have been analysed. They show that a radical pair is produced by irradiation and that a component of this pair is a phosphoryl radical. The orientations of the e.s.r. tensors are compared with the crystallographic bond directions and the role of the irradiation conditions on pair formation is examined. It appears that the phosphoryl radical is probably produced by electron capture by the cationic species [(RO)3PO]+.
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Research group Groupe Geoffroy
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BERCLAZ, Théo et al. Radiation damage in organic phosphates: crystal structure of 3-O-diphenoxyphosphoryl-1,2-O-isopropylidene 5-O-trityl-α-D-ribofuranose and an electron spin resonance study of the x-irradiated single crystal. In: Journal of the Chemical Society Faraday Transactions, 1988, vol. 84, n° 11, p. 4105-4113. https://archive-ouverte.unige.ch/unige:3075

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Deposited on : 2009-09-21

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