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