反应详情

[(3S,4S,5R,6S)-3,4,5-tribenzyloxy-6-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methyl-phenyl]-2-(hydroxymethyl)-6-methoxy-tetrahydropyran-2-yl]methanol 9j (130 mg, 0.17 mmol) was dissolved in 10 mL methanol, followed by addition of a solution (4 mL) of 2 M hydrochloric in ethyl acetate and Palladium/carbon (260 mg, 20%). The mixture was exchanged with H2 three times and stirred for 16 hours. Thereafter, the reaction mixture was filtered. The filtrate was concentrated under reduced pressure and the resulting residue was purified by HPLC to obtain the title compound (1S,2S,3S,4R,5S)-5-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methyl-phenyl]-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol 9 (11 mg, white solid), yield: 13.8%. MS m/z (ESI): 473.2 [M+1]; 1H NMR (400 MHz, CD3OD): δ 7.57-7.56 (m, 2H), 7.48 (d, 1H), 7.39-7.37 (m, 1H), 7.19 (d, 1H), 7.15 (d, 1H), 7.10-7.06 (m, 2H), 6.67 (d, 1H), 4.18 (d, 3H), 3.88-3.81 (m, 2H), 3.73-3.68 (m, 2H), 3.65-3.62 (m, 2H), 2.33 (s, 3H).

1. filtrationThereafter, the reaction mixture was filtered
2. concentrationThe filtrate was concentrated under reduced pressure
3. customthe resulting residue was purified by HPLC