CN Patent

CN111662284B — 双杂环取代的氧杂螺环衍生物、其制法与医药上的用途

Assigned to Yangtze River Pharmaceutical Group Co Ltd · Expires 2021-08-10 · 5y expired

What this patent protects

本发明涉及双杂环取代的氧杂螺环衍生物、其制法与医药上的用途。具体地，本发明公开了式(I)和式(Ⅱ)化合物或其药学上可接受的盐、立体异构体或溶剂化物，及其制备方法和应用，式中各基团的定义详见说明书和权利要求书。

USPTO Abstract

本发明涉及双杂环取代的氧杂螺环衍生物、其制法与医药上的用途。具体地，本发明公开了式(I)和式(Ⅱ)化合物或其药学上可接受的盐、立体异构体或溶剂化物，及其制备方法和应用，式中各基团的定义详见说明书和权利要求书。

Drugs covered by this patent

Patent Metadata

Patent number
CN111662284B
Jurisdiction
CN
Classification
—
Expires
2021-08-10
Drug substance claim
No
Drug product claim
No
Assignee
Yangtze River Pharmaceutical Group 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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