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Diammonium hydrogen phosphate as a versatile and efficient catalyst for the one-pot synthesis of pyrano[2,3-d]pyrimidinone derivatives in aqueous media

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Abstract

Diammonium hydrogen phosphate, (NH4)2HPO4, was used as a catalyst for one-pot, three-component condensation reactions consisting of aromatic aldehydes, malononitrile and barbituric/thiobarbituric acid in aqueous ethanol at room temperature. This method has the advantages of a simple operation, mild reaction conditions, high yields, by using a less toxic and low cost chemical as a catalyst.

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Correspondence to Saeed Balalaie.

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Balalaie, S., Abdolmohammadi, S., Bijanzadeh, H.R. et al. Diammonium hydrogen phosphate as a versatile and efficient catalyst for the one-pot synthesis of pyrano[2,3-d]pyrimidinone derivatives in aqueous media. Mol Divers 12, 85–91 (2008). https://doi.org/10.1007/s11030-008-9079-7

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  • DOI: https://doi.org/10.1007/s11030-008-9079-7

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