THE STRUCTURE OF 5-CYCLOHEXYL-2'-DEOXYURIDINE AS STUDIED BY X-RAY CRYSTALLOGRAPHY AND NMR SPECTROSCOPY
1996
Abstract 5-Cyclohexyl-2′-deoxyuridine (I) is an example of a 5-substituted pyrimidine 2′-deoxynucleoside which exhibits no antiviral activity and which is not a substrate for either cellular or viral (herpes) kinases. Despite the fact that a cursory inspection of NMR spectra of the compound, taken in DMSO-d 6 solution, suggested that the compound had a normal conformation, we here show that in the crystal and in aqueous solution (analysed by 2D NMR techniques), the conformation of this nucleoside has a syn-glycosidic and C4′-exo (4E) sugar pucker conformation.
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