CN Patent

CN104744443A — 嘧啶二酮类化合物盐酸盐新晶型及其制备方法

Assigned to Jiangsu Hansoh Pharmaceutical Group Co Ltd · Expires 2015-07-01 · 11y expired

What this patent protects

本发明涉及嘧啶二酮类化合物盐酸盐新晶型及其制备方法。具体而言，本发明公开了如式I所示的5-氯-6-[(2-亚氨基-1-吡咯烷)甲基]-2,4(1H,3H)-嘧啶二酮盐酸盐的新晶型及其制备方法。该晶型在衍射角2θ为（a）11.73°、（b）13.03°、（c）17.33°、（d）17.97°、（e）23.45°、（f）27.23°、（g）29.40°、（h）32.85°处显示X-射线衍射峰，其稳定性及重现性好，适合医药开发应用。

USPTO Abstract

本发明涉及嘧啶二酮类化合物盐酸盐新晶型及其制备方法。具体而言，本发明公开了如式I所示的5-氯-6-[(2-亚氨基-1-吡咯烷)甲基]-2,4(1H,3H)-嘧啶二酮盐酸盐的新晶型及其制备方法。该晶型在衍射角2θ为（a）11.73°、（b）13.03°、（c）17.33°、（d）17.97°、（e）23.45°、（f）27.23°、（g）29.40°、（h）32.85°处显示X-射线衍射峰，其稳定性及重现性好，适合医药开发应用。

Drugs covered by this patent

Patent Metadata

Patent number: CN104744443A
Jurisdiction: CN
Classification: —
Expires: 2015-07-01
Drug substance claim: No
Drug product claim: No
Assignee: Jiangsu Hansoh Pharmaceutical Group Co Ltd
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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