1-{[4-(4-methyl-1-piperazinyl)-1H-benzimidazol-2-yl]methyl}-1,2,3,4,4a,5,6,10b-octahydro-1,10-phenanthroline 、
二碳酸二叔丁酯 在
4-二甲氨基吡啶 silica 、
ammonium hydroxide 、
乙腈 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以to yield 0.25 g (48%) of (trans)-1,1-dimethylethyl 2-(3,4,4a,5,6,10b-hexahydro-1,10-phenanthrolin-1(2H)-ylmethyl)-4-(4-methyl-1-piperazinyl)-1H-benzimidazole-1-carboxylate and 0.14 g (27%) of (cis)-1,1-dimethylethyl 2-(3,4,4a,5,6,10b-hexahydro-1,10-phenanthrolin-1(2H)-ylmethyl)-4-(4-methyl-1-piperazinyl)-1H-benzimidazole-1-carboxylate的产率得到(trans)-1,1-Dimethylethyl 2-(3,4,4a,5,6,10b-hexahydro-1,10-phenanthrolin-1(2h)-ylmethyl)-4-(4-methyl-1-piperazinyl)-1h-benzimidazole-1-carboxylate