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

<table>The Michael addition of 4-hydroxycoumarin and arylmethylene-<i>β</i>-ketoesters.</table>

International Scholarly Research Notices

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