Eight-membered rings combined with an aromatic skeleton, a class of fused eight- membered compounds, have attracted considerable attention.[1, 2] Such units have been found in various natural products as well as in pharmacologically active substances:[3, 4] Iprindole (1),[5] the first second-generation antidepressant (TCA), and jolynamine (2),[6] which was isolated from a dark brown alga belonging to the family Scytosiphonaceae, ...