CN Patent

CN105111215B — 一种周期蛋白依赖性激酶抑制剂的晶型及其制备方法

Assigned to SUZHOU PENGXU PHARMATECH Co Ltd · Expires 2019-06-18 · 7y expired

What this patent protects

本发明涉及7‑环戊基‑2‑(5‑哌嗪‑1‑基‑吡啶‑2‑基氨基)‑7H‑吡咯并[2,3‑D]嘧啶‑6‑羧酸二甲酰胺的的半琥珀酸盐的新晶型及其制备方法,单琥珀酸盐的新晶型及其制备方法。本发明的式(I)化合物的半琥珀酸盐新晶型，单琥珀酸盐新晶型，具有良好的稳定性、较低的引湿性、工艺可开发和易处理性等有利性能，且制备方法简单，成本低廉，对未来该药物的优化和开发具有重要价值。

USPTO Abstract

本发明涉及7‑环戊基‑2‑(5‑哌嗪‑1‑基‑吡啶‑2‑基氨基)‑7H‑吡咯并[2,3‑D]嘧啶‑6‑羧酸二甲酰胺的的半琥珀酸盐的新晶型及其制备方法,单琥珀酸盐的新晶型及其制备方法。本发明的式(I)化合物的半琥珀酸盐新晶型，单琥珀酸盐新晶型，具有良好的稳定性、较低的引湿性、工艺可开发和易处理性等有利性能，且制备方法简单，成本低廉，对未来该药物的优化和开发具有重要价值。

Drugs covered by this patent

Patent Metadata

Patent number
CN105111215B
Jurisdiction
CN
Classification
—
Expires
2019-06-18
Drug substance claim
No
Drug product claim
No
Assignee
SUZHOU PENGXU PHARMATECH 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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