The First Synthesis of Natural Occurring Juncaceae Coumarin, 9‐Hydroxy‐8‐methyl‐3H‐benzo[f]chromen‐3‐one, Featuring a One‐pot Rearrangement and Aromatization Cascade

The synthesis of benzocoumarins from beta-tetralones has been achieved via two pathways in the first total synthesis of the Juncaceae natural product, 9-hydroxy-8-methyl-3H-benzo[f]chromen-3-one, featuring a one-pot rearrangement and aromatization cascade.