Pyrano[4,3-d]pyrimidinium salts 3. Reactions of 1,3-dimethyl-2,4-dioxo-1H,3H-pyrano[4,3-d]pyrimidinium salts with azomethines

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Russian Chemical Bulletin, Vol. 58, Iss. 7, 2009-07 ,pp. : 1465-1468

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Synthesis and X-ray structural investigations of 2-amino-7-methyl-4-(1-naphthyl)-5-oxo4H,5H-pyrano[4,3-b]pyran-3-carbonitrile and 2-amino-4-(1-naphthyl)-5-oxo-4H,5Hpyrano[3,2-c]chromene-3-carbonitrile

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The hydrogen bonding in 2-amino-3-cyano-4-(3-nitrophenyl)-4,6-dihydro-5H-pyrano[3,2-c]quinolin-5-one N,N-dimethylformamide solvate monohydrate

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Syntheses of 7H-pyrido-and 7H-pyrano[2,3,4-kl]acridin-2(3H)-ones from 9-chloroacridines

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Russian Chemical Bulletin, Vol. 55, Iss. 9, 2006-09 ,pp. : 1664-1669

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5-Arylidene Derivatives of Meldrum’s Acid as Synthons in Pyrano[4,3-b]pyran Synthesis

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