Crystalline forms of 2-[2-chloro-4-methylsulfony1-3-(2,2,2-trifluoroethoxymethyl)benzoyl]cyclohexan-1,3-dione

  • US 8,309,769 B2
  • Filed: 03/14/2008
  • Issued: 11/13/2012
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
Patent Images

1. A crystalline form A of 2-[2-chloro-4-methyl-sulfonyl-3-(2,2,2-trifluoroethoxymethyebenzoyl]-cyclohexan-1,3-dione, which in an X-ray powder diffraction diagram at 25°

  • C. and Cu—



    radiation displays at least 3 of the following reflections, quoted as 2θ

    values;

    5.6±

    0.2°

    , 8.9±

    0.2°

    , 11.1±

    0.2°

    , 14.0±

    0.2°

    , 18.9±

    0.2°

    , 23.4±

    0.2°

    , 26.7±

    0.2°

    , 28.9±

    0.2° and

    36.2±

    0.2°

    .

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