2-((tert-butoxycarbonyl)amino)-3-(1-((R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentyl)-1H-1,2,3-triazol-4-yl)propanoic acid 在
水 、
三氟乙酸 作用下,
反应 1.0h,
以50%的产率得到2-amino-3-[1-[(4R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentyl]triazol-4-yl]propanoic acid