申请人:SHILPA MEDICARE LIMITED
公开号:US20150175554A1
公开(公告)日:2015-06-25
The present invention provide processes for the preparation of highly pure Bendamustine hydrochloride monohydrate of formula (I)
The present application relates to Bendamustine hydrochloride monohydrate crystalline Form-SM characterized by X-ray powder diffraction pattern as depicted in FIG.
1
consisting peaks selected from the XRPD 2 theta degrees peaks at 7.42, 10.60, 11.17, 16.43, 17.94, 22.89, 26.33, 28.77, 30.28, 31.92, and 40.89±0.1 2θ° having a purity of greater than 99.5% (by HPLC).
The present application also provides a process for the preparation of highly pure Bendamustine hydrochloride monohydrate crystalline Form-SM useful in making pharmaceutical composition for the treatment of cancer or similar proliferative disorders.
本发明提供了制备高纯度盐酸苯达莫司单水合物(I)的方法。本申请涉及Bendamustine hydrochloride monohydrate结晶形态-SM,其X射线粉末衍射图谱如图1所示,由XRPD 2θ°峰值7.42、10.60、11.17、16.43、17.94、22.89、26.33、28.77、30.28、31.92和40.89±0.1 2θ°组成,其纯度大于99.5%(经HPLC测定)。本申请还提供了一种制备高纯度Bendamustine hydrochloride monohydrate结晶形态-SM的方法,可用于制备用于治疗癌症或类似增生性疾病的药物组合物。