5-methyl-4-(2-methyl-5-(methylcarbamoyl)phenylamino)pyrrolo[1,2-f][1,2,4]triazine-6-carboxylic acid 、
乙胺盐酸盐 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以82%的产率得到N-ethyl-5-methyl-4-(2-methyl-5-(methylcarbamoyl)phenylamino)-pyrrolo[1,2-f][1,2,4]triazine-6-carboxamide