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dc.contributor.authorAhmed, M. Giasuddin-
dc.contributor.authorRomman, U. K. R.-
dc.contributor.authorAkhter, Kawsari-
dc.contributor.authorHalim, Md. Ershad-
dc.contributor.authorRahman, M. M.-
dc.contributor.authorAhmed, S. Mosaddeq-
dc.date.accessioned2021-10-31T17:03:56Z-
dc.date.available2021-10-31T17:03:56Z-
dc.date.issued2011-07-
dc.identifier.issn0376 – 4699-
dc.identifier.urihttp://dspace.aiub.edu:8080/jspui/handle/123456789/179-
dc.description.abstractA one-step synthesis of 5,7-diaryl-1,5-dihydro-pyrano[2,3-d]pyrimidin-2,4-diones, 3a-c and 5,7-diaryl-2-thioxo-1,2,3,5-tetrahydropyrano[2,3-d]pyrimidin-4-ones, 3d-g was achieved by the cyclocondensation of barbituric acid or thiobarbituric acid (1) with arylideneacetophenones, 2a-d in glacial acetic acid in presence of phosphorous pentoxide. The structures of the compounds 3a-g were determined by their UV, IR, 1H NMR, 13C NMR, mass spectral data and elemental analyses.en_US
dc.language.isoenen_US
dc.publisherNISCAIR, Indiaen_US
dc.relation.ispartofseries50(7);Page 946-948-
dc.subjectPyranopyrimidin, arylideneacetophenone, barbituric aciden_US
dc.titleA one-step synthesis of 5,7-Diaryl-1,5-dihydro (or 1,2,3,5-tetrahydro)-pyrano[2,3-d]pyrimidin-2,4-diones (or 2-thioxo-4-ones)en_US
dc.typeArticleen_US
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