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Crystal structures of 1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione and 1-(1,3-benzodioxol-5-yl)-3-(2,4-dimethoxyphenyl)-1,3-propanedione

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Abstract

1-(2-Hydroxyphenyl)-3-phenyl-1,3-propanedione crystallizes in the triclinic space group\(P\bar 1\) (a=5.4233(5),b=13.910(1),c=17.036(1) Å, α=68.311(6), β=80.854(7), γ=78.760(8)°) as two independent enolic tautomers in which the hydroxyl and phenolic protons are hydrogen bonded to the ketonic oxygen atom. The structure was refined toR=0.039 for 2085I≥3σ(I) reflections. 1-(1,3-Benzodioxol-5-yl)-3-(2,4-dimethoxyphenyl)-1,3-propanedione, which belongs to the triclinic\(P\bar 1\) space group (a=7.3990(7),b=8.1239(5),c=14.004(1) Å, α=86.673(6). β=88.574(7), γ=64.885(7)°) also exists in the enolic form. The structure was refined toR=0.040 for 1564I≥3σ(I) reflections.

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Authors and Affiliations

  1. Institute of Advanced Studies, University of Malaya, 59100, Kuala Lumpur, Malaysia

    Seik Weng Ng

  2. Department of Chemistry, Universiti Kebangsaan Malaysia, 43600, Bangi, Malaysia

    Abdul Hamid Othman & Sri Nurestri Abdul Malek

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  1. Seik Weng Ng
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  2. Abdul Hamid Othman
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  3. Sri Nurestri Abdul Malek
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Ng, S.W., Othman, A.H. & Malek, S.N.A. Crystal structures of 1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione and 1-(1,3-benzodioxol-5-yl)-3-(2,4-dimethoxyphenyl)-1,3-propanedione. J Chem Crystallogr 24, 331–335 (1994). https://doi.org/10.1007/BF01670209

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  • DOI: https://doi.org/10.1007/BF01670209

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