申请人:BIOCON LIMITED
公开号:US11059813B2
公开(公告)日:2021-07-13
The present invention provides for the dasatinib-thymine co-crystal and dasatinib-adenine co-crystal. The present invention further provides dasatinib-butanediol solvate. The present invention further provides for crystalline dasatinib-(±)-1, 2-Butanediol, crystalline dasatinib (R)-1, 2-Butanediol, crystalline dasatinib (S)-1, 2-Butanediol and crystalline dasatinib (±)-2, 3-Butanediol and processes for preparation thereof. The present invention also provides for a process for preparation of amorphous dasatinib using dasatinib-butanediol solvate. The present invention further provides for the preparation of anhydrous dasatinib. The present invention also provides for a process for preparation of dasatinib monohydrate from anhydrous dasatinib.
本发明提供了
达沙替尼-胸腺
嘧啶共晶体和
达沙替尼-
腺嘌呤共晶体。本发明进一步提供了
达沙替尼-
丁二醇溶液。本发明进一步提供了结晶的
达沙替尼-(±)-1,2-
丁二醇、结晶的
达沙替尼(R)-1,2-
丁二醇、结晶的
达沙替尼(S)-1,2-
丁二醇和结晶的
达沙替尼(±)-2,3-
丁二醇及其制备工艺。本发明还提供了一种使用
达沙替尼-
丁二醇溶液制备无定形
达沙替尼的工艺。本发明进一步提供了无
水达沙替尼的制备方法。本发明还提供了一种用无
水达沙替尼制备
一水达沙替尼的工艺。