反应详情

By substituting 1-benzyl-4-hydrazino-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid, ethyl ester for the 1-ethyl-4-hydrazino-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid, ethyl ester in the procedure of Example 1 (a), (b) then proceeding as in Example 2, 8-benzyl-4H-pyrazolo[4',3':5,6]pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-5(8H)-one and 8-benzyl-5-chloro-8H-pyrazolo[4',3':5,6]pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidine and 8-benzyl-N-(1-methylpropyl)-8H-pyrazolo[4',3':5,6]pyrido[3,4e][1,2,4]triazolo[1,5-a]pyrimidin-5-amine, respectively, are obtained.

1. customrespectively, are obtained