Abstract
Nucleophilic substitution of hydrogen in 5-nitrobenzimidazole derivatives occurs upon reaction with 4-methylbenzyl cyanide under basic conditions and proceeds with concomitant cyclisation. This sequence offers a one-pot synthesis of new fluorescent heterocyclic compounds, 3-alkyl-8-methyl-3H-imidazo[4,5-a]acridines.
Keywords
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