甲基磺酰氯 、 α/β 2-(5-deoxy-1-hydroxy-2,3-O-isopropylidene-D-ribofuranosyl)-4-(4,5-dihydro-4,4-dimethyloxazol-2-yl)pyridine 在
吡啶 作用下,
反应 24.0h,
以85%的产率得到2-(5-deoxy-2,3-O-isopropylidene-1-O-mesyl-β-D-ribofuranosyl)-4-(4,5-dihydro-4,4-dimethyloxazol-2-yl)pyridine