methyl 2,3,5-tri-O-methyl-α-D-arabinofuranosyl(1->4)-6-deoxy-2,3-di-O-methyl-6-(4-nitrophenylsulfonylamino)-α-D-glucopyranoside 在
碘苯二乙酸 、
碘 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以46%的产率得到methyl 4-hydroxy-2,3,5-tri-O-methyl-α-D-arabinofuranosyl(1->4)-6-deoxy-2,3-di-O-methyl-6-(4-nitrophenylsulfonylamino)-α-D-glucopyranoside