CN Patent

CN111377944A — Baloxavir marboxil晶型及其制备方法

Assigned to Sunshine Lake Pharma Co Ltd · Expires 2020-07-07 · 6y expired

What this patent protects

本发明提供了一种Baloxavir marboxil晶型A和晶型B及其制备方法，属于药物化学领域。所述晶型具有良好的溶解度、稳定性等其他性质。本发明所述制备方法通过将Baloxavir marboxil固体与有机溶剂混合，然后加入反溶剂或者不加反溶剂，搅拌，过滤，可得Baloxavir marboxil晶型A和晶型B；所述制备方法操作简单，条件温和。

USPTO Abstract

本发明提供了一种Baloxavir marboxil晶型A和晶型B及其制备方法，属于药物化学领域。所述晶型具有良好的溶解度、稳定性等其他性质。本发明所述制备方法通过将Baloxavir marboxil固体与有机溶剂混合，然后加入反溶剂或者不加反溶剂，搅拌，过滤，可得Baloxavir marboxil晶型A和晶型B；所述制备方法操作简单，条件温和。

Drugs covered by this patent

Patent Metadata

Patent number
CN111377944A
Jurisdiction
CN
Classification
—
Expires
2020-07-07
Drug substance claim
No
Drug product claim
No
Assignee
Sunshine Lake Pharma 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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