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Synthesis of Pyrimidine Annelated Heterocycles [1]. Regioselective Heterocyclization of 6-Cyclopent-2-enyl-5-hydroxy-1,3-dimethyl-pyrimidine-2,4(1H,3H)-dione and 5-Cyclopent-2-enyl-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione

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Summary.

 Two hitherto unreported pyrimidine annelated heterocycles were synthesized from 6-cyclopent-2-enyl-5-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione and 5-cyclopent-2-enyl-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione by reaction with pyridine hydrotribromide or hexamethylenetetramine hydrotribromide. The first one was also obtained by reaction with concentrated sulfuric acid.

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Authors and Affiliations

  1. Department of Chemistry, University of Kalyani, Kalyani-741 235, W.B, India, , , , , , IN

    Krishna C. Majumdar, Uday K. Kundu, Swapan K. Samanta & Nirmal K. Jana

Authors
  1. Krishna C. Majumdar
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  2. Uday K. Kundu
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  3. Swapan K. Samanta
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  4. Nirmal K. Jana
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Corresponding author

Correspondence to Krishna C. Majumdar.

Additional information

Received October 28, 2002; accepted October 30, 2002 Published online June 2, 2003

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Majumdar, K., Kundu, U., Samanta, S. et al. Synthesis of Pyrimidine Annelated Heterocycles [1]. Regioselective Heterocyclization of 6-Cyclopent-2-enyl-5-hydroxy-1,3-dimethyl-pyrimidine-2,4(1H,3H)-dione and 5-Cyclopent-2-enyl-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione. Monatshefte für Chemie 134, 1137–1143 (2003). https://doi.org/10.1007/s00706-003-0043-z

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  • DOI: https://doi.org/10.1007/s00706-003-0043-z

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