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New functionalization opportunities for peri-hydroxynaphthoyl and peri-fused heterocyclic compounds

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Abstract

A capability was studied of hydrogenated α-pyrone heterocycle in 7-methoxy-4-(4-methoxy-phenyl)-3,4-dihydro-2H-benzo[h]chromen-2-one to undergo aminolysis under the treatment with hydrazine hydrate, primary and secondary aliphatic and aromatic amines. A new approach was developed to the preparation of perihydroxyketone of naphthalene series containing a specific functional substituent in the ortho-position with respect to hydroxy group. The effect was revealed of an acetyl group in the position 9 of 7-methoxy-4-(4-methoxyphenyl)-3,4-dihydro-2H-benzo[h]chromen-2-one on the reaction of this compound with aliphatic amines and hydrazine hydrate. 9-Methoxy-1-(4-methoxyphenyl)-6-methyl-3H-benzo[de]pyrido[3,2,1-if]cinnolin-3-one [9-methyl-6-methoxy-3-(4-methoxyphenyl)-10,10a-diazapyren-1-one] was obtained, a new bis-peri-fused heteroaromatic system.

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Correspondence to V. V. Mezheritskii.

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Original Russian Text © R.V. Tyurin, A.P. Zadorozhnaya, A.N. Antonov, V.V. Mezheritskii, 2008, published in Zhurnal Organicheskoi Khimii, 2008, Vol. 44, No. 11, pp. 1680–1687.

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Tyurin, R.V., Zadorozhnaya, A.P., Antonov, A.N. et al. New functionalization opportunities for peri-hydroxynaphthoyl and peri-fused heterocyclic compounds. Russ J Org Chem 44, 1657–1664 (2008). https://doi.org/10.1134/S1070428008110171

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  • DOI: https://doi.org/10.1134/S1070428008110171

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