CN Patent

CN111423452B — 瑞卢戈利的中间体及其制备方法和应用

Assigned to Jiangxi Kerui Pharmaceutical Co ltd · Expires 2023-08-22 · 3y expired

What this patent protects

本发明公开了瑞卢戈利的全新中间体(包括化合物式B、式C、式D、式E)，可用来制备瑞卢戈利及其盐、衍生物或其类似物；还公开了瑞卢戈利的制备方法，简单、原料易得，产物缩脲副产物含量小于0.10％，可大大减少粗品纯化的成本，利于规模化生产。

USPTO Abstract

本发明公开了瑞卢戈利的全新中间体(包括化合物式B、式C、式D、式E)，可用来制备瑞卢戈利及其盐、衍生物或其类似物；还公开了瑞卢戈利的制备方法，简单、原料易得，产物缩脲副产物含量小于0.10％，可大大减少粗品纯化的成本，利于规模化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN111423452B
Jurisdiction
CN
Classification
—
Expires
2023-08-22
Drug substance claim
No
Drug product claim
No
Assignee
Jiangxi Kerui 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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