Synthesis and Inhibiting Activity of Some 4-Hydroxycoumarin Derivatives on HIV-1 Protease

<table>The Michael addition of 4-hydroxycoumarin and 3-(4-hydroxy)phenylmethylene-2,4-pentanedione (<b>6</b>).</table>

International Scholarly Research Notices

Figure 5: Synthesis and Inhibiting Activity of Some 4-Hydroxycoumarin Derivatives on HIV-1 Protease 