SnCl<sub>2</sub>-Catalyzed
Selective Atom Economic
Imino Diels–Alder Reaction: Synthesis of 2-(1<i>H</i>-Pyrrolo[2,3-<i>b</i>]pyridin-3-yl)quinolines
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Abstract
The synthesis of 2-(1<i>H</i>-pyrrolo[2,3-<i>b</i>]pyridin-3-yl)quinolines by a SnCl<sub>2</sub>-catalyzed
multicomponent
reaction has been described. The reaction proceeds chemo- and regioselectively
in an atom-economic way, generating a library of 24 quinoline derivatives