Methanol → HCID 87309028, compound

Participants

Reaction Steps

A solution of (2S,3R,4R,5S,6R)-6-(acetoxymethyl)-3-isothiocyanato-tetrahydro-2H-pyran-2,4,5-triyl triacetate (1.0 g, 2.57 mmol) in anhydrous methanol (10 mL) was heated to reflux. The reaction was complete after 1 h as determined by TLC. The solvent was removed in vacuo. The product was then purified by flash column silica chromatography using a solvent system of 3:1 hexanes/EtOAc, which provided (2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(methoxycarbonothioylamino)-tetrahydro-2H-pyran-2,4,5-triyl triacetate (1.0 g, 92% yield) as a slightly yellow syrup. 1H NMR (500 MHz, CDCl3) δ 2.11 (s, 3H), 2.12 (s, 6H), 3.81 (ddd, 1H), 3.95 (s, 3H), 4.1 (m, 2H), 4.31 (m, 1H), 5.17 (m, 2H), 5.73 (d, 1H, J=8.6 Hz), 6.21 (d, 1H, J=10.0 Hz).

Provenance & Evidence