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A short path synthesis of the ethyl (methyl 2, 3-O-isopropylidene-β-D-allofuranosid)uronate (5) and ethyl(methyl 2, 3-O-isopropylidene-α-L-talofuranosid)uronate (6) from methyl 2, 3-O-isopropylidene-β-D-ribopentodialdo-1, 4-furanoside (3) using (1-ethoxyvinyl)lithium and its application to the total synthesis of the pyrimidine nucleosides, thymine polyoxin C (1) and uracil polyoxin C (2), are described.
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Akita et al. (1998) studied this question.
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