Abstract
A series of potent novel 8-hydroxy-3,4-dihydropyrrolo[1,2- a]pyrazine-1(2 H)-one HIV-1 integrase inhibitors was identified. These compounds inhibited the strand transfer process of HIV-1 integrase and viral replication in cells. Compound 12 is active against replication of HIV-1 in cell culture with a CIC 95 of 0.31 μM. Further SAR exploration led to the preparation of pseudosymmetrical tricyclic pyrrolopyrazine inhibitors 23 and 24 with further improvement in antiviral activity.
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