FIELD: chemistry.
SUBSTANCE: claimed invention relates to a novel crystalline form of 13-[(N-tert-butoxycarbonyl)-2'-O-hexanoyl-3-phenylisoserinyl]-10-diacetylbaccatin III, characterised by the following peaks: 6.1, 9.1, 10.1, 10.6, 11.7, 13.0, 18.5, 19.8, 22.0 with the angle 2-teta ±0.2°, possessing the ability to inhibit cell proliferation, as well as to a method of obtaining the said form.
EFFECT: increase of chemical and thermodynamic stability.
11 cl, 6 dwg, 1 tbl, 2 ex
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