CN Patent

CN107266449A — 手性8‑(3‑氨基‑哌啶‑1‑基)‑黄嘌呤的制备方法

Assigned to Boehringer Ingelheim International GmbH · Expires 2017-10-20 · 9y expired

What this patent protects

本发明是关于制备对映异构体性纯8‑(3‑氨基‑哌啶‑1‑基)‑黄嘌呤的改良方法。

USPTO Abstract

本发明是关于制备对映异构体性纯8‑(3‑氨基‑哌啶‑1‑基)‑黄嘌呤的改良方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN107266449A
Jurisdiction
CN
Classification
—
Expires
2017-10-20
Drug substance claim
No
Drug product claim
No
Assignee
Boehringer Ingelheim International GmbH
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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