ethyl 5-fluoro-1-[(dimethylpyrazin-2-yl)methyl]-1H-indole-2-carboxylate 、
Ethyl 1-[(5,6-dimethylpyrazin-2-yl)methyl]-5-fluoroindole-2-carboxylate 、
Ethyl 1-[(3,6-dimethylpyrazin-2-yl)methyl]-5-fluoroindole-2-carboxylate 、
1,2-二甲基-1H-苯并咪唑-5-胺双盐酸盐 在
三甲基铝 作用下,
以
甲苯 为溶剂,
生成 N-(1,2-Dimethyl-1H-benzimidazol-5-yl)-5-fluoro-1-[(3,6-dimethylpyrazin-2-yl)methyl]-1H-indole-2-carboxamide 、 N-(1,2-Dimethyl-1H-benzimidazol-5-yl)-5-fluoro-1-[(3,5-dimethylpyrazin-2-yl)methyl]-1H-indole-2-carboxamide 、 N-(1,2-Dimethyl-1H-benzimidazol-5-yl)-5-fluoro-1-[(5,6-dimethylpyrazin-2-yl)methyl]-1H-indole-2-carboxamide