6-氧代-1,6-二氢吡嗪-4-碳酰肼 、
1-{1-[2-(3-chloro-phenyl)-2H-tetrazol-5-yl]-ethyl}-2-methylsulfanyl-1,4,5,6-tetrahydro-pyrimidine 以
二甲基亚砜 为溶剂,
反应 24.0h,
以41%的产率得到5-(8-{1-[2-(3-chloro-phenyl)-2H-tetrazol-5-yl]-ethyl}-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)-2h-pyridazin-3-one