Stereospecific deuteration of α-furanosyl azomycin nucleosides: A model reaction for tritium radiolabeling
摘要:
Stereospecific synthesis of 1-alpha-D-(2-deuteroribofuranosyl)-2-nitroimidazole (2'-[H-2]-alpha-AZR) is reported. This, deuteration was independent of the con. guration of C-2' -OH group (arabinose or ribose) in sugar moiety of starting molecules. Slightly better yield (>37%) of the deuterated product, 6, from arabinosyl precursor in comparison to corresponding ribose precursor (29%) was obtained which may reflect better stereochemical availability of C-2' -OH in arabinose during oxidation. Crown copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.