6-chloro-3-cyano-2-(4-nitro-phenoxycarbonylmethyl)-pyridine 1-oxide 、
bis-tert-butoxycarbonyl-(7-aminomethyl-isoquinolin-1-yl)amine 以
氘代氯仿 为溶剂,
以55%的产率得到3-cyano-6-chloro-2-[1-(bis-tert-butoxycarbonyl)amino-isoquinolin-7-ylmethyl]aminocarbonylmethyl-pyridine 1-oxide