Total Synthesis of (±)-Joubertinamine from 3-(3,4-dimethoxyphenyl)-5-bromo-2-pyrone

The regioselective synthesis and Diels-Alder cycloaddition of 3-(3,4-dimethoxyphenyl)-5-bromo-2-pyrone provided a new efficient synthetic route to joubertinamine (9.6% total yield over 10 steps).