In Nucleosides, Nucleotides and Nucleic Acids, volume 26, numbers 6-7 (2007), in the article, “Synthesis of 3′-S-Phosphorothiolate Oligonucleotides for their Potential Use in RNA Interference” by James W. Gaynor, John Brazier, and Rick Cosstick, and were incorrectly printed. The correct schemes and their legends appear below.
SCHEME 3 vi) TBDPS-Cl or TBDMS-Cl (1.1 eq.), Imidazole, DMF, Rt, overnight; ii-iv) See Scheme 1.
SCHEME 5 xi) a. DIAD (1.5 eq), PPh3 (1.5 eq), EtOAc, RT, overnight; b. KSAc (10 eq), DMF, 110°C, 3 hours; xii) 1M HCl/MeOH, 2 hours, 45°C then DMT-Cl (1.75 eq) in AcOH:H2O (2:1), RT, 3 hours; v) See Scheme 1.
