2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-3,11-Dihydroxy-4,8,10,14-tetramethyl-16-(2,2,2-trifluoro-ethoxy)-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-methyl-hept-5-enoic acid 在
Lindlar's catalyst
氢气 作用下,
以
乙醇 为溶剂,
生成 2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-3,11-Dihydroxy-4,8,10,14-tetramethyl-16-(2,2,2-trifluoro-ethoxy)-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-methyl-heptanoic acid