One step cyclocondensation of (thio) barbituric acid with chalcones in glacial acetic acid and phosphorous pentoxide, Part-II

Authors

  • K Akhter Department of Chemistry, University of Dhaka, Dhaka-1000
  • ME Halim Department of Chemistry, University of Dhaka, Dhaka-1000
  • SM Ahmed Department of Chemistry, American International University-Bangladesh (AIUB), 83/B, Road-4, Kemal Ataturk Avenue, Banani, Dhaka-1213
  • PK Sarkar Department of Chemistry, University of Dhaka, Dhaka-1000
  • F Akter Department of Chemistry, University of Dhaka, Dhaka-1000
  • K Jahan Department of Chemistry, University of Dhaka, Dhaka-1000
  • UKR Romman Department of Chemistry, University of Dhaka, Dhaka-1000
  • MG Ahmed Department of Chemistry, University of Dhaka, Dhaka-1000

DOI:

https://doi.org/10.3329/bjsir.v52i2.32921

Keywords:

Arylideneacetophenone, Barbituric acid, Thiobarbituric acid, Cyclocondensation

Abstract

A number of new 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) (3a-g) have  been synthesized in one-step by cyclocondensation of barbituric acid or thiobarbituric acid (1) with arylideneacetophenones (2a-d), in glacial  acetic acid in the presence of phosphorous pentoxide. The structures of the compounds 3a-g have been determined by UV, IR, 1H NMR, 13C  NMR, mass spectral data and elemental analyses. The compounds 3a-g do not seem to be available in the literature.

Bangladesh J. Sci. Ind. Res. 52(2), 115-124, 2017

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Author Biographies

K Akhter, Department of Chemistry, University of Dhaka, Dhaka-1000

Department of Chemistry, University of Dhaka, Dhaka-1000

PK Sarkar, Department of Chemistry, University of Dhaka, Dhaka-1000

Department of Chemistry, University of Dhaka, Dhaka-1000

UKR Romman, Department of Chemistry, University of Dhaka, Dhaka-1000

Department of Chemistry, University of Dhaka, Dhaka-1000

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Published

2017-06-13

How to Cite

Akhter, K., Halim, M., Ahmed, S., Sarkar, P., Akter, F., Jahan, K., Romman, U., & Ahmed, M. (2017). One step cyclocondensation of (thio) barbituric acid with chalcones in glacial acetic acid and phosphorous pentoxide, Part-II. Bangladesh Journal of Scientific and Industrial Research, 52(2), 115–124. https://doi.org/10.3329/bjsir.v52i2.32921

Issue

Vol. 52 No. 2 (2017)

Section

Articles

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