Vf. Traven et al., ORBITAL CONTROL IN THE DIMERIZATION OF POLYCYCLIC AROMATIC KETONES AND QUINONES IN THE PRESENCE OF ALKALI-METAL ALCOHOLATES, Mendeleev communications, (5), 1993, pp. 216-217
Polycyclic aromatic ketones and quinones undergo dimerization in the p
resence of alkali metal alcoholates; anion-radicals of the substrates
are formed under these conditions, and the direction of dimerization d
epends on the spin density in the intermediate anion-radical.