Abstract
Three 9,10-di- O-(−)-camphanoyl-7,8,9,10-tetrahydro-benzo[ h]chromen-2-one (7-carbon-DCK) analogs ( 3a– c) were synthesized and evaluated for inhibition of HIV-1 replication in H9 lymphocytes. All three new carbon bioisosteres of the anti-HIV lead DCK showed anti-HIV activity. Compound 3a had an EC 50 value of 0.068 μM, which was comparable to that of DCK in the same assay. The preliminary results indicated that 7-carbon-DCK analogs merit attention as potential HIV-1 inhibitors for further development into clinical trials candidates.
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