CN Patent

CN107298660A — 2-(5-溴-4-(4-环丙基萘-1-基)-4h-1,2,4-三唑-3-基硫基)乙酸轴手性对映体的晶型iii

Assigned to SHANGHAI JINGXIN BIOLOGICAL MEDICAL CO Ltd · Expires 2017-10-27 · 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晶型III，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6.04°±0.2°、7.88°±0.2°、11.04°±0.2°、15.78°±0.2°、16.36°±0.2°、16.84°±0.2°、18.18°±0.2°和19.86°±0.2°处存在衍射峰。相比无定形形式，晶型III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晶型III，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6.04°±0.2°、7.88°±0.2°、11.04°±0.2°、15.78°±0.2°、16.36°±0.2°、16.84°±0.2°、18.18°±0.2°和19.86°±0.2°处存在衍射峰。相比无定形形式，晶型III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
CN107298660A
Jurisdiction
CN
Classification
—
Expires
2017-10-27
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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