27-Norlanost-8-ene-15,24-dione,3-[(O-a-L-arabinofuranosyl-(1®2)-O-a-L-arabinopyranosyl-(1®3)-O-[6-deoxy-a-L-mannopyranosyl-(1®2)]-O-b-D-glucopyranosyl-(1®2)-O-a-L-arabinopyranosyl-(1®6)-b-D-glucopyranosyl)oxy]-17,23-epoxy-28-hydroxy-, 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以2 mg的产率得到