Article

Design, synthesis, inhibitory activity, and SAR studies of hydrophobic p-aminosalicylic acid derivatives as neuraminidase inhibitors.

Department of Medicinal Chemistry, School of Pharmacy, Shandong University, Ji'nan, Shandong 250012, PR China.
Bioorganic & medicinal chemistry (Impact Factor: 2.82). 05/2008; 16(7):3839-47. DOI: 10.1016/j.bmc.2008.01.036
Source: PubMed

ABSTRACT A series of hydrophobic p-aminosalicylic acid derivatives containing a lipophilic side chain at C-2 and an amino or guanidine at C-5 were synthesized and evaluated for their ability to inhibit neuraminidase (NA) of influenza A virus (H3N2). All compounds were synthesized in good yields starting from commercially available p-aminosalicylic acid (PAS) using a suitable synthetic strategy. These compounds showed potent inhibitory activity against influenza A NA. Within this series, six compounds, 11, 12, 13e, 16e, 17c, and 18e, have the good potency (IC(50)=0.032-0.049 microM), which are compared to Oseltamivir (IC(50)=0.021 microM) and could be used as lead compounds in the future.

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May 28, 2014