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Crystal structure of 2,8-dimethyl-3-chloro-4H-pyrido[1,2-a]pyrimidin-4-one

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Abstract

The title compound, 2,8-dimethyl-3-chloro-4H-pyrido[1,2-a]pyrimidin-4-one, (C10H9ClN2O), was synthesized, and its structure was established by spectral analysis and X-ray diffraction studies. There are two independent molecules per asymmetric unit. In both the molecules, the pyrido-pyrimidine moiety is planar with a dihedral angle of 3.53(9)° for molecule A and 1.61(9)° for molecule B. The crystal structure is stabilized by C-H⋯O and C-H⋯Cl hydrogen bonds. The π-π interactions were also observed between the A and B molecules. The pyrido-pyrimidine moiety is not involved in any C-H⋯π contacts.

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Authors and Affiliations

  1. Post-Graduate Department of Physics & Electronics, University of Jammu, Jammu, Tawi, 180006, India

    S. Anthal, R. Kant & V. K. Gupta

  2. Natural Products Chemistry Division, Indian Institute of Integrative Medicine, Jammu, Tawi, 180001, India

    P. Dutt & N. K. Satti

Authors
  1. S. Anthal
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  2. P. Dutt
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  3. N. K. Satti
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  4. R. Kant
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  5. V. K. Gupta
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Correspondence to N. K. Satti.

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Anthal, S., Dutt, P., Satti, N.K. et al. Crystal structure of 2,8-dimethyl-3-chloro-4H-pyrido[1,2-a]pyrimidin-4-one. Crystallogr. Rep. 59, 1005–1009 (2014). https://doi.org/10.1134/S1063774514070025

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  • DOI: https://doi.org/10.1134/S1063774514070025

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