在
sodium triacetoxyborohydride 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 1.0h,
以0.02 g的产率得到2-[(2-{17-[4-({6-[(4-{3-[2-(tert-butoxycarbonylamino)-3-(tritylthio)propanoyloxy]-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl}pentanoyl)(methyl)amino]hexa-2,4-diynyl}(methyl)amino)-1-methyl-4-oxobutyl]-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-2-oxoethylamino)methyl]phenylboronic acid