ChemInform Abstract: Synthesis of 2,4-Di
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Eung-Seok Lee; et al. et al.
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Article
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2011
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John Wiley and Sons
⚖ 28 KB
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## Abstract Twentythree chromenopyridines, substituted at the 2‐ and 4‐position with 5‐or 6‐membered heteroaromatics, are synthesized by treatment of pyridinium iodide salts (III) with chromanones (IV) utilizing a modified Kroehnke synthesis.