The present invention relates to a crystalline form of a BTK kinase inhibitor and the preparation method thereof. In particular, the present invention relates to a crystal form I of (R)-4-amino-1-(1-(but-2-ynoyl)pyrrolidin-3-yl)-3-(4-(2,6-difluorophenoxy)phenyl)-1H-pyrrolo[2,3-d]pyridazin-7(6H)-one (the compound of formula (I)) and the preparation method thereof. The crystal form I of the compound of formula (I) obtained by the present invention has a good crystalline stability and chemical stability, and the crystallization solvent used has a low toxicity and low residue, thus making it more suitable for use in clinical treatment.
本发明涉及一种BTK激酶
抑制剂的结晶形式及其制备方法。具体而言,本发明涉及一种化合物(R)-4-
氨基-1-(1-(丁-2-炔酰基)
吡咯烷-3-基)-3-(4-(2,6-二
氟苯氧基)苯基)-1H-
吡咯并[2,3-d]
吡啶-7(6H)-酮(化合物式(I)的晶型I)及其制备方法。本发明获得的化合物式(I)的晶型I具有良好的晶体稳定性和
化学稳定性,所使用的结晶溶剂具有低毒性和低残留物,因此更适合用于临床治疗。