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E. Abd El-Rady and I. H. El-Azab, “Reactivity of β-Enaminoester of Benzo[f] Chromene: One Pot Synthesis of Isolated Heterocycle-Fused Derivatives of Benzo[f] Chromene,” European Journal of Chemistry, Vol. 3, No. 1, 2012, pp. 81-86.

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• TITLE: New and Facile Synthesis of Substituted Pyrrole, Pyridine, Pyrazolo[4,3-b] Pyridine, Pyrano[3,2-c] Quinoline, Napthopyran, Naphthodipyran and Coumarin Derivatives

  AUTHORS: F. M. A. El-Taweel, A. A. Elagamey

  KEYWORDS: Pyrrole; Pyridine; Pyrazolo[4, 3-b] Pyridine; Pyrano[3, 2-c] Quinoline; Naphthopyran; Naphthodipyrans and Coumarin

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.3 No.1, March 27, 2013

  ABSTRACT: Several new pyrazolo[4,3-b] pyridines 7a, b were prepared by reacting arylidenemalononitriles 1a, c or 1i, j with 4-nitrosoantipyrine 4. Reacting 1a, b, d with 4-azidomethylcarbonylantipyrine 8 give 2-aminopyrrole 14. Pyrano[3,2-c] quinolines 20a, b and 23 were obtained by reacting 4-hydroxyquinoline 15 with 1g, h, 2b respectively. Reaction of 1 with naphthalenediols 24, 27 and 29 yield naphthodipyrans 26a, b, 28a, b and 30a,