1986
DOI: 10.1002/chin.198652310
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H. TANAKA, H. HAYAKAWA, K. OBI et al.

Abstract: Abstract The phenylthio group in the uridine (I) serves as the protecting group during the lithiation at the C‐5 position; subsequent reactions of the resulting Li species with electrophiles (III) or (IV) yield the derivatives (II).