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"Old friends in new guise": exploiting privileged structures for scaffold re-evolution/refining.

Yu'ning Song, Wenmin Chen, Dongwei Kang

  • 1Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, 44, West Culture Road, 250012, Jinan, Shandong, P.R. China. zhanpeng1982@163.com.

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Summary

Privileged structure-guided scaffold refining offers a novel strategy for drug discovery, overcoming limitations of current technologies. This approach modifies existing compounds to identify new drug types and uncover novel bioactivities.

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Area of Science:

  • Medicinal Chemistry
  • Drug Discovery
  • Organic Synthesis

Background:

  • Current drug discovery technologies face challenges in producing novel therapeutics.
  • Drug repositioning strategies have been explored to accelerate drug development.
  • Privileged structures represent core molecular frameworks with known bioactivity.

Purpose of the Study:

  • To review methods for scaffold re-evolution and refining using privileged structures.
  • To highlight the potential of this strategy in identifying novel chemotypes.
  • To demonstrate the application of privileged structure refinement in discovering new therapeutic uses.

Main Methods:

  • Modification of central core structures and side-chains of existing active compounds.
  • Exploitation of readily derivatizable motifs with established synthetic protocols.
  • Review of case studies demonstrating scaffold re-evolution/refining.

Main Results:

  • Identification of structurally novel chemical entities through scaffold modification.
  • Discovery of previously undescribed biological activities from refined privileged structures.
  • Successful application in repurposing anti-viral agents for new therapeutic applications.

Conclusions:

  • Privileged structure-guided scaffold re-evolution/refining is a powerful strategy for novel drug discovery.
  • This approach enhances the identification of new drug candidates and bioactivities.
  • It offers a viable alternative to traditional drug discovery methods, particularly for antiviral agents.