2,3,4-tri-O-acetyl-1-bromo-1-deoxy-β-D-glucopyranuronic acid methy ester 、
(S)-2-(4-(benzyloxymethyl)-6-methylpyrimidin-2-yloxy)-3-methoxy-3,3-diphenylpropanoic acid 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 12.5h,
以60%的产率得到(2S,3R,4S,5S,6S)-2-((S)-2-(4-(benzyloxymethyl)-6-methylpyrimidin-2-yloxy)-3-methoxy-3,3-diphenylpropanoyloxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate