戊二酸 、
taurochenodeoxycholic acid 在
4-二甲氨基吡啶 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 48.0h,
以5.4 mg的产率得到2-[[(4R)-4-[(3R,7R,8R,9S,10S,13R,14S,17R)-7-hydroxy-3-[5-[[(3R,7R,8R,9S,10S,13R,14S,17R)-7-hydroxy-10,13-dimethyl-17-[(2R)-5-oxo-5-(2-sulfoethylamino)pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-5-oxopentanoyl]oxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoyl]amino]ethanesulfonic acid