Phosphoric acid dibenzyl ester 3-[(S)-4-(2,5-difluoro-phenyl)-1-((S)-2-hydroxy-3,3-dimethyl-butyryl)-2,5-dihydro-1H-pyrrol-2-yl]-phenyl ester 在
palladium on activated charcoal
1,4-环己二烯 作用下,
以
甲醇 为溶剂,
以95%的产率得到3-{(2S)-4-(2,5-difluorophenyl)-1-[(2S)-2-hydroxy-3,3-dimethylbutanoyl]-2,5-dihydro-1H-pyrrol-2-yl}phenyl dihydrogen phosphate