Synthesis of novel porphyrin chromophores from nitroarenes: Further applications of the Barton-Zard pyrrole condensation

Article abstract of DOI:10.1016/S0040-4039(97)00287-6

Porphyrins with fused nitronaphthalene and benzothiadiazole subunits have been synthesized by the '2 + 2' and '3 + 1' methodologies; the key pyrrolic intermediates were prepared by the base catalyzed condensation of dinitronaphthalenes or 4-nitro-2,1,3-benzothiadiazole with isocyanoacetates.