Synthesis of (±)-5′-methoxyhydnocarpin-D, an inhibitor of the Staphylococcus aureus multidrug resistance pump

The total synthesis of regioisomerically pure (±)-5′-methoxyhydnocarpin-D () from commercially available vanillin (), methyl gallate () and 2′,4′,6′-trihydroxyaceophenone () is achieved.