4-Chloro-3-iodoquinoline as a Synthon in the Development of New Syntheses of 1,2-Disubstituted 1H-Pyrrolo[3,2-c] quinolines

[摘要]：New syntheses of novel 1,2-pyrrolo[3,2-c] quinolines were established using 4-chloro-3-iodoquinoline as a synthon. The approach involved a palladium-catalyzed Sonogashira reaction of 4-chloro-3-iodoquinoline with appropriate arylacetylenes, followed by nucleophilic displacement of chlorine and cyclization. Studies on the reaction of 4-chloroquinoline derivatives with sodium azide led to the unexpected 4-aminoquinolines.

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