FIELD: chemistry.
SUBSTANCE: invention relates to organic chemistry and describes novel roentgen-amorphous modification of 4-[(4-methyl-1-piperazinyl)methyl]-N-[4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]-amino]-phenyl]benzamide of methane sulfonate (imatinib mesilate - international non-patented name) and method of obtaining it, consisting in evaporating initial substance of imatinib mesilate at temperature 170-215°C in vacuum 5×10-3 - 3×10-5 torr and condensing on cooled to (-)100 - (-)196°C surface.
EFFECT: obtaining of novel imatinib mesilate modification which can be used in pharmaceutical industry and medicine as anti-leucosis cytostatic medication for therapy of oncological diseases.
2 cl, 6 ex, 7 dwg
Authors
Dates
2009-08-27—Published
2008-02-22—Filed