4-benzyloxy-1-isobutyl-isoquinoline-3-carboxylic acid butyl ester 在
钯 氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 24.0h,
以Concentration of the filtrate in vacuo yielded the title compound as a yellowish oil (87 mg)的产率得到4-hydroxy-1-isobutyl-isoquinoline-3-carboxylic acid butyl ester