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DOI: 10.1039/A704295G (Paper) Reference Section for: J. Chem. Soc., Perkin Trans. 1, 1997, 2263-2264

Novel synthesis of substituted 4′-hydroxy-2,2′:6′,2″-terpyridines

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Reza-Ali Fallahpour and Edwin C. Constable

Abstract

4-Substituted-2,6-diacetylpyridines 2–4 have been synthesised; by using the Kröhnke-methodology, chalcone and methylacylpyridinium salts have been reacted to yield 4′-ethoxy-2,2′:6′,2″-terpyridines 5–7. These novel 2,2′:6′,2″-terpyridines are functionalised at C(4′) and possess substituents at C(4), C(5) and C(6) of both terminal pyridines, respectively. The ethyl ether protecting group has been cleaved to obtain 4′-hydroxy-2,2′:6′,2″-terpyridine 8.

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