1-(tert-butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinoline-4-carboxylic acid 、
四氢吡咯 以to give 74 mgs (64%) of [6,7-dimethoxy-4-(pyrrolidine-1-carbonyl)-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester的产率得到[6,7-dimethoxy-4-(pyrrolidine-1-carbonyl)-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester