1-[[1-(3,4-dihydro-2,2-dimethyl-2 H-1-benzopyran-4-yl)-1 H-imidazol-5-yl]carbonyl]piperazine 、
氯仿 、
甲苯 以
甲醇 、
异丙醚 为溶剂,
以2.7 parts (54.3%)的产率得到4-[[1-(3,4-dihydro-2,2-dimethyl-2 H-1-benzopyran-4-yl)-1 H-imidazol-5-yl]carbonyl]-N-methyl-1-piperazinecarboxamide