Acetic acid (R)-6,6,6-trifluoro-5-hydroxy-1-[(S)-1-((1R,3aR,4S,7aR)-4-hydroxy-7a-methyl-octahydro-inden-1-yl)-ethyl]-5-trifluoromethyl-hex-3-ynyl ester 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
生成
[(2S,3R)-2-[(1R,3aR,7aR)-7a-methyl-4-oxo-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-8,8,8-trifluoro-7-hydroxy-7-(trifluoromethyl)oct-5-yn-3-yl] acetate