21-03-2013 дата публикации
Номер: US20130072504A1
The present invention relates to new crystalline forms of a purine derivative which exhibits excellent anti-tumour activity. The invention also relates to a pharmaceutical composition containing said crystalline forms as an active ingredient, and use thereof in the prevention or treatment of disease. The invention further relates to a process for preparing the crystalline forms. 2. The crystalline form of which is a tartrate salt.3. The crystalline form of which is characterized by an x-ray powder diffraction pattern having two or more diffraction peaks at 2[theta] values selected from 6.67±0.2 claim 2 , 8.237±0.2 claim 2 , 9.777±0.2 claim 2 , 11.96±0.2 claim 2 , 12.38±0.2 claim 2 , 13.06±0.2 claim 2 , 13.38±0.2 claim 2 , 13.94±0.2 claim 2 , 14.90±0.2 claim 2 , 15.40±0.2 claim 2 , 15.95±0.2 claim 2 , 16.27±0.2 claim 2 , 16.54±0.2 claim 2 , 17.36±0.2 claim 2 , 17.57±0.2 claim 2 , 17.86±0.2 claim 2 , 19.64±0.2 claim 2 , 19.86±0.2 claim 2 , 20.12±0.2 claim 2 , 20.73±0.2 claim 2 , 21.14±0.2 claim 2 , 21.58±0.2 claim 2 , 22.57±0.2 claim 2 , 22.95±0.2 claim 2 , 23.29±0.2 claim 2 , 23.57±0.2 claim 2 , 24.07±0.2 claim 2 , 24.63±0.2 claim 2 , 25.30±0.2 claim 2 , 26.38±0.2 claim 2 , 27.09±0.2 claim 2 , 27.67±0.2 claim 2 , 27.97±0.2 claim 2 , 28.91±0.2 claim 2 , 29.28±0.2 claim 2 , 30.08±0.2 claim 2 , 30.41±0.2 claim 2 , 31.90±0.2 and 34.49±0.2 (Form E).45-. (canceled)6. The crystalline form of which is characterized by a differential scanning calorimetry trace recorded at a heating rate of 20° C. per minute which shows a maximum endothermic peak at a temperature between about 176° C. and about 185° C. claim 2 , or a differential scanning calorimetry trace substantially in accordance with that shown in .7. (canceled)8. The crystalline form of which is characterized by an x-ray powder diffraction pattern having two or more diffraction peaks at 2[theta] values selected from 3.82±0.2 claim 2 , 7.57±0.2 claim 2 , 8.12±0.2 claim 2 , 10.53±0.2 claim 2 , 11.39±0.2 claim 2 , 12.00±0.2 ...
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