(3-氯-苯基)-哌嗪-1-基-甲酮盐酸盐 、 3-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)propanoic acid 在
N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 3-(3-(4-(3-chlorobenzoyl)piperazin-1-yl)-3-oxopropyl)-8-methyl-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one