Radicals in irradiated monocrystals of the base-pair complex 9-ethyl adenine: 1-methyl uracil.
作者： Wolfgang Flossmann , Adolf Müller , Eric Westhof
DOI: 10.1080/09553007414551501
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摘要: SummaryRadical formation in monocrystals of equimolar complexes 9-ethyl adenine: 1-methyl uracil by irradiation with X-rays was investigated at 77 K and 300 using e.s.r.-spectroscopy 9·5 GHz 35 GHz. Five different types spectrum were identified, which corresponded to spectra the irradiated components. A hydrogen abstraction radical (I III) a addition (II IV) assigned each two constituents. The fifth species, an unidentified singlet after K, has also been found single crystals adenine. By bleaching U.V.-light or heating about 150 it is decomposed irreversibly. After crystal warmed room temperature only pyrimidine radicals I II are left. At II) present line; predominate comparable proportions, but an...
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