0091-150X/85/1906-0411509.50 9 1986 Plenum Publishing Corporation 411 f). During oxidation, compounds lla-c converted into the corresponding derivatives of i, 2- naphthoquinone (llla-c). Diols lie, f underwent polymerization during oxidation. Reduction of 1, 2-naphthoquinones llla-c by sodium hydrosulfite gave the 1, 2-naphthalenediols ll-ac again. When sodium methylate in MeOH was used in the condensation of quinone Ic with ...