The present invention provides an efficient process for the synthesis of (2R,3R,4S,5R)-2-(6-amino-9H-purin-9-yl)-5-((((1r,3S)-3-(2-(5-(tert-butyl)-1H-benzo[d]imidazol-2-yl)ethyl)cyclobutyl)(isopropyl)amino)methyl)tetrahydrofuran-3,4-diol and hydrates thereof and methods for treating disorders in which DOT1-mediated protein methylation plays a part, such as cancer and neurological disorders, by administering these compounds and pharmaceutical compositions to subjects in need thereof. The present invention also provides novel crystalline forms of (2R,3R,4S,5R)-2-(6-amino-9H-purin-9-yl)-5-((((1r,3S)-3-(2-(5-(tert-butyl)-1H-benzo[d]imidazol-2-yl)ethyl)cyclobutyl)(isopropyl)amino)methyl)tetrahydrofuran-3,4-diol and hydrates thereof (Form A, Form B, and Form C), characterized by a unique X-ray diffraction pattern and Differential Scanning calorimetry profile, as well as a unique crystalline structure.
本发明提供了一种有效的合成(2R,3R,4S,5R)-2-(6-
氨基-9H-
嘌呤-9-基)-5-((((1r,3S)-3-(2-(5-(叔丁基)-1H-苯并[d]
咪唑-2-基)乙基)
环丁基)(异丙基)
氨基)甲基)
四氢呋喃-3,4
-二醇及其
水合物的过程,并通过向需要治疗DOT1介导的蛋白质甲基化在其中发挥作用的疾病(如癌症和神经系统疾病)的受试者施用这些化合物和药物组合物的方法。本发明还提供了(2R,3R,4S,5R)-2-(6-
氨基-9H-
嘌呤-9-基)-5-((((1r,3S)-3-(2-(5-(叔丁基)-1H-苯并[d]
咪唑-2-基)乙基)
环丁基)(异丙基)
氨基)甲基)
四氢呋喃-3,4
-二醇及其
水合物的新晶体形式(Form A, Form B和Form C),其具有独特的X射线衍射图案和差示扫描量热分析谱,以及独特的晶体结构。