CA3104365A1 — Crystal form of compound for inhibiting the activity of cdk4/6 and use thereof
Assigned to Betta Pharmaceuticals Co Ltd · Expires 2019-12-26 · 6y expired
What this patent protects
The present invention relates to a salt form of (R)-N-(5-((4-ethylpiperazin-1-yl)methyl)pyridin-2-yl)-5-fluoro-4-(6-fluoro-1-methyl-1,2,3,4-tetrahydrobenzo[4,5]imidazo[1,2-a]pyridin-8-yl)pyrimidin-2-amine (compound I) as shown in structural formula (I) or a crystal form thereof, …
USPTO Abstract
The present invention relates to a salt form of (R)-N-(5-((4-ethylpiperazin-1-yl)methyl)pyridin-2-yl)-5-fluoro-4-(6-fluoro-1-methyl-1,2,3,4-tetrahydrobenzo[4,5]imidazo[1,2-a]pyridin-8-yl)pyrimidin-2-amine (compound I) as shown in structural formula (I) or a crystal form thereof, and also relates to a method for preparing the salt form of compound I and/or the crystal form thereof, a pharmaceutical composition containing the salt form and/or the crystal form, and the use of same in the preparation of drugs for treating diseases, illnesses or conditions, or a method for treating diseases, illnesses or conditions.
Drugs covered by this patent
- Talzenna (Talazoparib Tosylate) · Pfizer Inc.
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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