1-O-<(3β,20β)-20-oxo-20-deoxy-20-isothiocyanato-11-oxo-30-norolean-12-ene-3-yl>-2-O-(β-D-2,3,4-tri-O-acetyl-6-oxo-6-deoxy-6-isothiocyanatoglucopyranosyl)-α-D-3,4-di-O-acetyl-6-oxo-6-deoxy-6-isothiocyanatoglucopyranozide 、
苄基肼 以
二氯甲烷 为溶剂,
反应 0.25h,
以69.1%的产率得到1-O-<(3β,20β)-20-oxo-20-deoxy-20-benzylthiosemicarbazido-11-oxo-30-norolean-12-en-3-yl->-2-O-(β-D-2,3,4-tri-O-acetyl-6-oxo-6-deoxy-6-benzylthiosemicarbazidoglucopyranosyl)-α-D-3,4-di-O-acetyl-6-oxo-6-deoxy-6-benzylthiosemicarbazidoglucopyranozide