Dianionic oxy-cope rearrangement of 9,10-dihydroxy-9,10-di-1I-naphthyl phenanthrene

We report here the dianionic oxy-cope rearrangement of dinaphthyl diol (3) where the pi bonds of the two naphthalene rings form the 1,5-hexadiene system necessary for the [3,3] sigmatropic shift.