G. Abbiati, A. Arcadi, F. Marinelli
Sep 9, 2002
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Journal
Synthesis
Abstract
3-(2-Amino-5-methylpyridin-3-yl)-1-arylprop-2-yn-1-ones 2, readily available through Pd-catalyzed carbonylative coupling of 5-methyl-3-[2-(trimethylsilyl)ethynyl]pyridine-2-ylamine (1) with aryl iodides in the presence of carbon monoxide, undergo a domino conjugate addition/annulation reaction to give 4-heterosubstituted 2-aryl[1,8]naphthyridines 3 in high yields.