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1 results

  • Crystal structure of trametinib dimethyl sulfoxide, C26H23FIN5O4(C2H6OS)

  • James A. Kaduk, Anja Dosen, Tom N. Blanton
  • Journal:
    Powder Diffraction , First View
    Published online by Cambridge University Press:
    02 May 2025, pp. 1-6
    • Article
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  • The crystal structure of trametinib dimethyl sulfoxide has been solved and refined using synchrotron X-ray powder diffraction data and optimized using density functional theory techniques. Trametinib dimethyl sulfoxide crystallizes in space group P-1 (#2) with a = 10.7533(4), b = 12.6056(5), c = 12.8147(6) Å, α = 61.2830(8), β = 69.9023(11), γ = 77.8038(10)°, V = 1,428.40(3) Å3, and Z = 2 at 298 K. The crystal structure contains hydrogen-bonded trametinib and dimethyl sulfoxide (DMSO) molecules. These are arranged into layers parallel to the (101) plane. There are two strong classical hydrogen bonds in the structure. One links the trametinib and DMSO molecules. Another is an intramolecular hydrogen bond. The powder pattern has been submitted to the International Centre for Diffraction Data for inclusion in the Powder Diffraction File™.