Acetic Acid → HCID 68380776, compound

Participants

Reaction Conditions

Reaction Steps

The preparation of Compound 55 is illustrated in Scheme 5, above. To a solution of 2′-C-methyluridine (1 g) in pyridine (40 ml) were added acetic acid (3 ml) and DMAP. The mixture was stirred at 50° C. during 3 hours, followed by two days at room temperature. Then, the mixture was concentrated and co-evaporated with toluene and the residue purified by silica gel chromatography eluting with 0→10% methanol in dichloromethane to yield 2′,3′,5′-Tri-O-acetyl-2′-C-methyluridine (93%). MS (ESI, EI+) m/z=385.2 (MH+).

Provenance & Evidence