The enzymatic transfer of deoxyribose from a purine or a pyrimidine deoxyriboside to a carbon-14 labeled purine or pyrimidine base affords an efficient means of preparing labeled deoxyribonucleosides. Deoxyadenosine-8-C 14 , deoxyguanosine-8-C 14 , deoxycytidine-2-C 14 , and thymidine-2-C 14 , with the natural β-configuration, were prepared in good yields and isolated in radiochemically pure form by large-scale paper chromatography.
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Darryl Williams (1962) studied this question.
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