The paper describes the syntheses of 4,9-dihydro-9-carboxymethyl-1,3-dimethyl-4-oxo-1H-pyrazolo[3,4-b]quinoline (Ic), 4,9-dihydro-9-carboxymethyl-2,3-dimethyl-4-oxo-2H-pyrazolo[3,4-b]quinoline (IIc), 4,9-dihydro-1-carboxymethyl-3-methyl-4-oxo-1H-pyrazolo[3,4-b]quinoline (Id), 4,9-dihydro-1-carboxymethyl-3,9-dimethyl-4-oxo-1H-pyrazolo[3,4-b]quinoline (If) and 4,9-dihydro-2-carboxymethyl-3,9-dimethyl-4-oxo-2H-pyrazolo[3,4-b]quinoline (IIf). The compounds were tested in vivo in mice for their efficacy against the virus A2-Hongkong and the encephalomyocarditis virus.
这篇论文描述了4,9-二氢-9-羧甲基-1,3-二甲基-4-氧代-1H-吡唑并[3,4-b]喹啉(Ic)、4,9-二氢-9-羧甲基-2,3-二甲基-4-氧代-2H-吡唑并[3,4-b]喹啉(IIc)、4,9-二氢-1-羧甲基-3-甲基-4-氧代-1H-吡唑并[3,4-b]喹啉(Id)、4,9-二氢-1-羧甲基-3,9-二甲基-4-氧代-1H-吡唑并[3,4-b]喹啉(If)和4,9-二氢-2-羧甲基-3,9-二甲基-4-氧代-2H-吡唑并[3,4-b]喹啉(IIf)的合成方法。这些化合物在小鼠体内进行了抗A2-香港病毒和脑心肌炎病毒的功效测试。