Synthesis of new hydroxybenzo[a]carbazoles

Article abstract of DOI:10.1055/s-2008-1078599

An investigation of the alkylation sites of 4,7-dihydroxybenzo[a]pyrrolo[3, 4-c]carbazole-1,3(2H,8H)-dione, as well as the site of reduction in the maleimide upper ring, was carried out which resulted in the synthesis of diversely substituted 4-hydroxyben