[(4S)-4-{[tert-butyl(dimethyl)silyl]oxy}-7-cyclopentyl-5-(4-fluorophenyl)-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl][4-(trifluoromethyl)phenyl]methanol 在
二乙胺基三氟化硫 作用下,
以
二氯甲烷 为溶剂,
以45%的产率得到tert-butyl[((4S)-7-cyclopentyl-5-(4-fluorophenyl)-6-{fluoro[4-(trifluoromethyl)phenyl]methyl}-2,2-dimethyl-3,4-dihydro-2H-chromen-4-yl)oxy]dimethylsilane