5-morpholinomethyl-6-methyl-2-thiouracil 、 methyl 3α-(2'-chloro)acetoxy-5β-lithocholan-24-oate 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 26.0h,
以80%的产率得到methyl (R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3-(2-((6-methyl-5-(morpholinomethyl)-4-oxo-1,4-dihydropyrimidin-2-yl)thio)acetoxy)hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate