6-hydroxy-2-(4-phenoxyphenyl)-9,10-dihydro-4H-benzo[d]pyrazolo[1,5-a][1,3]diazepine-3-carboxamide 、 alkaline earth salt of/the/ methylsulfuric acid 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成
9-[3-(dimethylamino)propoxy]-2-(4-phenoxyphenyl)-6,11-dihydro-5H-pyrazolo[5,1-b][1,3]benzodiazepine-1-carboxamide