CN Patent

CN106458897A — 制备杂环化合物的方法

Assigned to Takeda Pharmaceutical Co Ltd · Expires 2017-02-22 · 9y expired

What this patent protects

本发明提供了有效制备光学活性的6‑(3‑氨基哌啶‑1‑基)‑2,4‑二氧代‑1,2,3,4‑四氢嘧啶衍生物的方法。在催化剂的存在下、将1,4,5,6‑四氢吡啶‑3‑甲酰胺或其衍生物进行非对称还原，获得光学活性的哌啶‑3‑甲酰胺或其衍生物，用作中间体。

USPTO Abstract

本发明提供了有效制备光学活性的6‑(3‑氨基哌啶‑1‑基)‑2,4‑二氧代‑1,2,3,4‑四氢嘧啶衍生物的方法。在催化剂的存在下、将1,4,5,6‑四氢吡啶‑3‑甲酰胺或其衍生物进行非对称还原，获得光学活性的哌啶‑3‑甲酰胺或其衍生物，用作中间体。

Drugs covered by this patent

Patent Metadata

Patent number
CN106458897A
Jurisdiction
CN
Classification
—
Expires
2017-02-22
Drug substance claim
No
Drug product claim
No
Assignee
Takeda Pharmaceutical 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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