Abstract
A mild and efficient method for the synthesis of 7-aryl-9-methyl-3H- pyrazolo[4,3-f]quinoline derivatives via a three-component reaction of an aromatic aldehyde, 1H-indazol-5-amine and acetone catalysed by iodine is described. This new procedure has the advantages of mild reaction conditions, high yields and a metal-free catalyst.
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