CN Patent

CN111138333B — 一种(r)-2-(2,5-二氟苯基)-吡咯烷的制备方法

Assigned to Shanghai Fosun Xingtai Pharma Technology Co ltd · Expires 2023-05-23 · 3y expired

What this patent protects

本发明公开了一种(R)‑2‑(2,5‑二氟苯基)‑吡咯烷的制备方法。本发明公开的如式III所示的化合物的制备方法，其包含下列步骤：在有机溶剂中，将如式II所示的化合物与如式I所示的化合物进行如下所示的反应，以高收率和高ee值得到如III所示的化合物。该制备方法反应条件简单，操作方便，成本低，工业价值强。

USPTO Abstract

本发明公开了一种(R)‑2‑(2,5‑二氟苯基)‑吡咯烷的制备方法。本发明公开的如式III所示的化合物的制备方法，其包含下列步骤：在有机溶剂中，将如式II所示的化合物与如式I所示的化合物进行如下所示的反应，以高收率和高ee值得到如III所示的化合物。该制备方法反应条件简单，操作方便，成本低，工业价值强。

Drugs covered by this patent

Patent Metadata

Patent number
CN111138333B
Jurisdiction
CN
Classification
—
Expires
2023-05-23
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Fosun Xingtai Pharma Technology 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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