3-Oxo-5α-cholest-1-en-19-saeuremethylester 在
ruthenium(IV) oxide 、
sodium periodate 作用下,
以
丙酮 为溶剂,
生成 (3R,3aR,5aS,6R,7S,9aS,9bS)-7-Carboxymethyl-3-((R)-1,5-dimethyl-hexyl)-3a-methyl-dodecahydro-cyclopenta[a]naphthalene-6,6-dicarboxylic acid methyl ester