Synthesis of oxazolo[3,2-a]quinolinium triiodide from 4-methyl-1-(3-methylbut-2-enyl)quinolin-2(1H)-one

Abstract

The reaction of quinolin-2(1H)-one (III) with iodine occurs via a nucleophilic attack of the halogen at the terminal γ-carbon atom of the double bond to give the title compound (IV).