Crystalline forms of 2-[2-chloro-4-methylsulfonyl-3-(2,2,2-trifluoroethoxymethyl)benzoyl]cyclohexan-1,3-dione
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Abstract
The present invention relates to two crystalline forms of 2-[2-chloro-4-methylsulfonyl-3-(2,2,2-trifluoro-ethoxymethyl)benzoyl]cyclohexan-1,3-dione, which is also known under the common name tembotrione. The invention also relates to a process for the production of these crystalline forms and formulations for plant protection which contain one of these crystalline forms of tembotrione.
6 Citations
33 Claims
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1-15. -15. (canceled)
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16. 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—
Kα
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°
. - View Dependent Claims (17, 18, 19, 24, 25, 26, 27, 32)
- C. and Cu—
-
20. A crystalline form C of 2-[2-chloro-4-methyl-sulfonyl-3-(2,2,2-trifluoroethoxymethyl)-benzoyl]-cyclohexan-1,3-dione, which in an X-ray powder diffraction diagram at 25°
- C. and Cu—
Kα
radiation displays at least 3 of the following reflections, quoted as 2θ
values;
7.4±
0.2°
, 10.8±
0.2°
, 14.8±
0.2°
, 16.6±
0.2°
, 21.1±
0.2°
, 21.6±
0.2° and
33.6±
0.2°
. - View Dependent Claims (21, 22, 23, 28, 29, 30, 31, 33)
- C. and Cu—
Specification