6533b7d5fe1ef96bd12648d7

RESEARCH PRODUCT

Solvates of Dasatinib: Diversity and Isostructurality

Ilze GranteToms RekisSergey BelyakovLiāna OrolaKārlis BērziņšAndris ActiņšInese Sarcevica

subject

Models MolecularStereochemistryGroup iiDasatinibPharmaceutical ScienceAntineoplastic Agents02 engineering and technologyCrystal structure010402 general chemistry01 natural scienceslaw.inventionX-Ray DiffractionlawGroup (periodic table)medicineCluster AnalysisCrystallizationChemistrySolvation021001 nanoscience & nanotechnology0104 chemical sciencesDasatinibCrystallographyX-ray crystallographyCrystallization0210 nano-technologyPowder DiffractionPowder diffractionmedicine.drug

description

A series of dasatinib crystalline forms were obtained, and a hierarchical cluster analysis of their powder X-ray diffraction patterns was performed. The resulting dendrogram implies 3 structural groups. The crystal structures of several solvates representing 2 of these groups were determined. The crystal structure analysis confirms the isostructurality of solvates within structural group I and suggests a correlation between solvent molecule size and trends in crystal structures within this group. In addition, the formation relationships in 2-solvent media between different dasatinib solvate groups were determined. The formation preference of solvates was found to follow the ranking group I > group III > group II.

https://doi.org/10.1016/j.xphs.2016.01.024