HEMITHIO-ANALOGUES OF MIESENHEIMER COMPLEXES AND SULPHIDE GROUP ACTIVATION OF AROMATIC SUBSTITUTION BY ALKOXIDES

Article abstract of DOI:10.1016/S0040-4039(00)78750-8

EtO(1-) in DMSO adds to ethylthiopicrate at C-3 to generate an ephemeral ?-adduct which ends into 1-ethylthio-4-ethoxy-2,5-dinitrobenzene, whilst ethyl picrate gives two adducts of attack of EtS(1-) at C-3 or C-1.