Abstract
The synthesis of a wide variety of furo[2,3-b]quinolines starting from substituted 3-vinyl-2-quinolones is described. The procedure involves acetoxycyclisation of the vinyl-quinolone by treating with iodine in the presence of silver acetate and dehydroacetoxylation of the resulting 3-acetoxy-2,3-dihydrofuro[2,3-b]quinoline with phosphoric or polyphosphoric acid. The NMR spectra of the furoquinolines are discussed.
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