Diketoacid Inhibitors of HIV-1 Integrase: From L-708,906 to Raltegravir and Beyond

HIV-1 integrase is one of the three viral enzymes essential to HIV replication. Consequently the development of therapeutics targeting this enzyme has been a major focus of antiretroviral research over the past two decades. Several classes of integrase inhibitors have been identified; of these the diketoacids (DKAs) show greatest promise: raltegravir (Merck & Co) has been approved by the US Food and Drug Administration (FDA) for HIV-1 therapy,...