(S)-4-(2-(4-oxo-3-phenyl-3,4-dihydropyrrolo[ 1,2-f][1,2,4]triazin-2-yl)pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid 在
氯化铵 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以40%的产率得到(S)-4-(2-(4-oxo-3-phenyl-3,4-dihydropyrrolo[1,2-f][1,2,4]triazin-2-yl)pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide