755758-66-8

Upstream product

• 406726-92-9 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9-octyl-9H-carbazole 
• 577-19-5 2-nitrophenyl bromide 

Downstream Products

• 778649-43-7 N-octyl-3,6-dibromo-2,7-bis(2'-aminophenyl)carbazole 
• 778649-41-5 N-octyl-3,6-dibromo-2,7-bis(2'-nitrophenyl)carbazole 

Relevant academic research and scientific papers

Synthesis of diindolocarbazoles by cadogan reaction: Route to ladder oligo(p-aniline)s

Symmetric and nonsymmetric diindolocarbazoles were successfully synthesized for the first time by a Cadogan ring closure using N-alkyl-2,7-disubstituted carbazole precursors. Cyclization reaction on N-alkyl-2,7-di(2′- nitrophenyl) carbazole derivatives is

Synthesis of diindolocarbazoles by Ullmann reaction: A rapid route to ladder oligo(p-aniline)s

(Chemical Equation Presented) New and facile synthesis of symmetric diindolocarbazoles was developed using the copper-catalyzed Ullmann reaction. The key step is a double-intramolecular cyclization reaction realized on N-alkyl-3,6-dibromo-2,7-bis(2′aminophenyl)carbazole derivatives which offers the desired symmetric ladder oligo(p-aniline)s. Depending upon the nature of the side- and/or end-groups, well-defined thin films and/or semiladder polymers could be obtained. These electroactive ladder oligomers may have great potential in organic electronics.