N-{4-[1-(3-aminopropyl)piperidin-4-yl]butyl}-N'-(3,5-diamino-6-chloropyrazine-2-carbonyl)guanidine trihydrochloride 、
1,3-二-BOC-2-(三氟甲基磺酰)胍 在
N,N-二异丙基乙胺 作用下,
以
甲醇 为溶剂,
以73%的产率得到N-(3,5-diamino-6-chloropyrazine-2-carbonyl)-N'-{4-[1-(3-[N",N"'-bis-tert-butoxycarbonyl]guanidinopropyl)piperidin-4-yl]butyl}guanidine