CN Patent

CN112047978A — 5-氯-n4-[2-(二甲基磷酰基)苯基]-n2-{2-甲氧基-4-[4-(4-甲基哌嗪-1-基)哌啶-1-基]苯基}嘧啶-2,4-二胺新晶型

Assigned to Beijing Saisiyuan Biomedical Technology Co ltd · Expires 2020-12-08 · 5y expired

What this patent protects

本发明公开了一种5‑氯‑N4‑[2‑(二甲基磷酰基)苯基]‑N2‑{2‑甲氧基‑4‑[4‑(4‑甲基哌嗪‑1‑基)哌啶‑1‑基]苯基}嘧啶‑2,4‑二胺新晶型,该新晶型使用Cu‑Ka射线进行测定的X‑射线粉末衍射图谱中,至少包含以下特征峰:衍射角2θ值为5.46±0.2°、12.94±0.2°、14.88±0.2°、20.73±0.2°、23.42±0.2°和41.62±0.2°;所得的新晶型的含水量为2~5%,稳定性好,适于工业化生产。此外,本发明还提供所述新晶体的制备方法和药用组合物。

USPTO Abstract

本发明公开了一种5‑氯‑N4‑[2‑(二甲基磷酰基)苯基]‑N2‑{2‑甲氧基‑4‑[4‑(4‑甲基哌嗪‑1‑基)哌啶‑1‑基]苯基}嘧啶‑2,4‑二胺新晶型,该新晶型使用Cu‑Ka射线进行测定的X‑射线粉末衍射图谱中,至少包含以下特征峰:衍射角2θ值为5.46±0.2°、12.94±0.2°、14.88±0.2°、20.73±0.2°、23.42±0.2°和41.62±0.2°;所得的新晶型的含水量为2~5%,稳定性好,适于工业化生产。此外,本发明还提供所述新晶体的制备方法和药用组合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN112047978A
Jurisdiction
CN
Classification
Expires
2020-12-08
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Saisiyuan Biomedical Technology 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.