Design of non-cytotoxic 6,7-dihydroxycoumarin-5-carboxylates with antibiofilm activity against Staphylococcus aureus and Candida albicans

The 6,7-dihydroxycoumarin-5-carboxylates DHCou and 4-Me-DHCou have been synthesized via five-step route including a propargyl-Claisen rearrangement as key step. The compounds show antibiofilm activity against Stapylococcus aureus and Candida albicans but lack the cytotoxic activity of parent 6,7-dihydroxycoumarines such as esculetin and 4-methylesculetin.

Automated summary

6,7-dihydroxycoumarin-5-carboxylates DHCou and 4-Me-DHCou were synthesized via a five-step route, including a propargyl-Claisen rearrangement as a key step. These compounds exhibit antibiofilm activity against Stapylococcus aureus and Candida albicans but lack the cytotoxic activity of parent 6,7-dihydroxycoumarines such as esculetin and 4-methylesculetin.