Scheme 4.
Synthesis of the 2'-OMe uridine from 3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)uridine. (a) Benzoyl chloride, triethylamine; (b) CH3I, Ag2O; (c) dilute NH4OH; (d) 0.5 N HCl. Adapted from [108].
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