(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-((6,7,8,9-tetrahydrobenzo[4,5]thieno[3,2-d]pyrimidin-4-yl)amino)tetrahydro-2H-pyran-3,4,5-triol 、
乙酸酐 在
吡啶 作用下,
反应 15.0h,
以79%的产率得到(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-((6,7,8,9-tetrahydrobenzo[4,5]thieno[3,2-d]pyrimidin-4-yl)amino)tetrahydro-2H-pyran-3,4,5-triyl triacetate