Authors: Kidwai, Mazaahir; Singhal, Kavita

Source: Canadian Journal of Chemistry, Volume 85, Number 5, May 2007 , pp. 400-405(6)

Publisher: NRC Research Press

Abstract:

Dipyrimidine-fused pyridine derivatives were synthesized using 1,3-diketone, aldehyde, different ammonium salts, and water, as the solvent. Aromatization was observed when ammonium nitrate was used as the source of nitrogen, and thus, dipyrimidine-fused pyridine derivatives were synthesized in one-pot synthetic procedure. This environmentally benign procedure leads to high yield of products (80%-90%) in a single step, with greater purity using water as the solvent.Key words: water, aromatization, dipyrimidopyridine, ammonium salts.

On a effectué les synthèses de dérivés de la dipyrimidine condensée à de la pyridine en utilisant une 1,3-dicétone, un aldéhyde, divers sels d'ammonium et de l'eau comme solvant. On observe l'aromatisation lorsqu'on utilise du nitrate d'ammonium comme source d'azote et dans de telles conditions les synthèses des dérivés de la dipyrimidine condensées à de la pyridine sont réalisées par une méthode monotope. Cette méthode environnementalement bénigne conduit à des rendements élevés (80 % à 90 %) de produits d'une grande pureté, en une seule étape et utilisant de l'eau comme solvant.Mots-clés : eau, aromatisation, dipyrimidopyridine, sels d'ammonium.[Traduit par la Rédaction]

Document Type: Research article

Publication date: 2007-05-01

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