CN Patent

CN113735854B — 钆和基于非对映异构体富集的pcta的螯合配体的络合物及其制备和纯化方法

Assigned to Fa Guojiabai · Expires 2024-05-14 · 2y expired

What this patent protects

本发明涉及一种由至少90％的非对映异构体过量构成的具有式(II)的络合物，所述非对映异构体过量包含具有下式的异构体II‑RRR和II‑SSS的混合物： 本发明还涉及一种用于制备和纯化所述具有式(II)的络合物的方法，并且还涉及一种包含所述络合物的组合物。

USPTO Abstract

本发明涉及一种由至少90％的非对映异构体过量构成的具有式(II)的络合物，所述非对映异构体过量包含具有下式的异构体II‑RRR和II‑SSS的混合物： 本发明还涉及一种用于制备和纯化所述具有式(II)的络合物的方法，并且还涉及一种包含所述络合物的组合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN113735854B
Jurisdiction
CN
Classification
—
Expires
2024-05-14
Drug substance claim
No
Drug product claim
No
Assignee
Fa Guojiabai
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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