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Synthesis of 1'(R)- and 1'(S)-C-phenyl-D-ribofuranosylthymine analogues 53 and 54.
Reagents and Conditions: (i) PhLi, THF, −78 °C then rt, 4 h, 71%; (ii) thymine, BSA, TMSOTf, 50 °C, 4.5 h, 51: 31%, 52: 6%; (iii) TBAF, THF, rt, 2 h, 53: 49%, 54: 63%.
