In nebularine, D-ribose in its furanose form is attached to position 9 of purine. The stereochemistryat the anomeric position is b.27.36The problem states that vidarabine is the arabinose analog of adenosine. Arabinose and ribose differonly in their confguration at C-2.27.37Nucleophilic aromatic substitution occurs when 6-chloropurine reacts with hydroxide ion by anaddition–elimination pathway.
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This note was uploaded on 10/03/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.