4-[1-(6-Benzyloxy-1-oxo-3,4-dihydro-1H-isoquinolin-2-yl)-2-tert-butoxycarbonyl-ethyl]-benzoic acid methyl ester 在
palladium on activated charcoal
氢气 作用下,
生成
4-[2-tert-Butoxycarbonyl-1-(6-hydroxy-1-oxo-3,4-dihydro-1H-isoquinolin-2-yl)-ethyl]-benzoic acid methyl ester