Jean-Yves LeBrazidec, Philip J. Kocienski, Joseph D. Connolly and Kenneth W. Muir
Three successive reactions of a dimethoxy arene with allylic cation equivalents were used to convert 2,3-dimethoxy-4-methyl-1-iodobenzene to the hexahydro-1H-phenalene system of the potent marine antiinflammatory pseudopterosins G–J.