Rhein Derivatives, A Promising Pivot?

Author(s): Rui Pei, Yueping Jiang, Guanghua Lei, Jingjing Chen, Manhua Liu, Shao Liu*

Journal Name: Mini-Reviews in Medicinal Chemistry

Volume 21 , Issue 5 , 2021

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Graphical Abstract:


Rhein, an anthraquinone derivative, has been employed widely, especially for the treatment of intractable diseases like diabetic nephropathy, arthritis, and cancer in a unique action mechanism. In the last decades, considerable efforts have been made in structural modification of rhein. This paper reviewed patents on pharmacological activity and therapeutic application of rhein and its derivatives from 1978 to 2018. Particularly, an analysis of patents was made, with the top 10 most valuable patents presented, and the interpretation of the legal status of patents was given. Given the properties of superior pharmacological activity, rich resources, cheap price, low toxicity, and mature extraction process, it is believed that an in-depth investigation on rhein and its derivatives is worth trying.

Keywords: patent, pharmacological activity, rhein, therapeutic application, anthraquinone derivative, drug development.

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Article Details

Year: 2021
Published on: 09 November, 2020
Page: [554 - 575]
Pages: 22
DOI: 10.2174/1389557520666201109120855
Price: $65

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