CN Patent

CN107266377A — 一种urat1抑制剂的轴手性对映体的多晶型

Assigned to SHANGHAI JINGXIN BIOLOGICAL MEDICAL CO Ltd · Expires 2017-10-20 · 9y expired

What this patent protects

本发明公开了2‑(5‑溴‑4‑(4‑环丙基萘‑1‑基)‑4H‑1,2,4‑三唑‑3‑基硫基)乙酸的S构型轴手性对映体的多晶型I，其使用CuKα辐射、以2θ角度表示的X射线粉末衍射光谱至少在7.02°±0.2°、11.14°±0.2°、14.10°±0.2°、14.60°±0.2°、15.44°±0.2°、16.98°±0.2°、20.98°±0.2°、21.86°±0.2°和28.02°±0.2°处存在衍射峰。相比无定形形式，多晶型I稳定性好，几乎无引湿性，晶型纯度高，便于药物制造、存储和运输。

USPTO Abstract

本发明公开了2‑(5‑溴‑4‑(4‑环丙基萘‑1‑基)‑4H‑1,2,4‑三唑‑3‑基硫基)乙酸的S构型轴手性对映体的多晶型I，其使用CuKα辐射、以2θ角度表示的X射线粉末衍射光谱至少在7.02°±0.2°、11.14°±0.2°、14.10°±0.2°、14.60°±0.2°、15.44°±0.2°、16.98°±0.2°、20.98°±0.2°、21.86°±0.2°和28.02°±0.2°处存在衍射峰。相比无定形形式，多晶型I稳定性好，几乎无引湿性，晶型纯度高，便于药物制造、存储和运输。

Drugs covered by this patent

Patent Metadata

Patent number
CN107266377A
Jurisdiction
CN
Classification
—
Expires
2017-10-20
Drug substance claim
No
Drug product claim
No
Assignee
SHANGHAI JINGXIN BIOLOGICAL MEDICAL 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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