[25,26,27-2H7]3β-tetrahydropyranyloxycholest-5-en-24-one 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以30 mg的产率得到(6R)-6-((3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3-((tetrahydro-2H-pyran-2-yl)oxy)hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-(methyl-d3)heptan-3-one-1,1,1,2-d4