Abstract
Abstract A practical and versatile method for the synthesis of 2H-pyrrolo[3,4-b]quinolin-9(4H)-one skeleton via tosylmethyl isocyanide (TosMIC) reaction has been developed. Many attempts have been made to reverse the null reactivity of 4-hydroxyquinoline and its N-alkyl derivatives toward TosMIC reactant. For this reason various molecular modifications have been improved for the purpose of obtaining a reactive substrate. tert-Butyl-4-oxoquinoline-1(4H)-carboxylate resulted in the best substrate to provide the desired tricyclic system via facile TosMIC reaction.
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