Provided are 9-dechlorochrysophaentin analog compounds and the synthesis process thereof. The disclosed compound have remarkable antimicrobial activities that are comparable to, or even more potent than, the natural product chrysophaentin A. Also provided are method of inhibiting bacterial growth or treating bacterial infection by administering an effective amount of the disclosed compounds.

Provided are 9-dechlorochrysophaentin analog compounds and the synthesis process thereof. The disclosed compound have remarkable antimicrobial activities that are comparable to, or even more potent than, the natural product chrysophaentin A. Also provided are method of inhibiting bacterial growth or treating bacterial infection by administering an effective amount of the disclosed compounds.