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Area of Science:

  • Medicinal Chemistry
  • Drug Discovery
  • Organic Chemistry

Background:

  • Proline analogues are versatile building blocks for small-molecule drugs and pharmaceutical peptides.
  • Over 15 drugs containing proline analogues have been FDA-approved in the last 15 years, with five approved in the last three years.

Purpose of the Study:

  • To analyze common and underrepresented proline analogues in current drug design.
  • To provide physicochemical information on these proline analogues.
  • To discuss the strategic replacement of nonproline residues with proline analogues.

Main Methods:

  • Literature review and analysis of FDA-approved drugs.
  • Focus on trending proline analogues: fluoroprolines, α-methylproline, bicyclic proline analogues, and aminoprolines.
  • Examination of physicochemical properties and strategic applications in drug design.

Main Results:

  • Identification of frequently used proline analogues in drug development.
  • Highlighting underrepresented proline analogues with potential for future exploration.
  • Demonstration of proline analogues' utility in modifying molecular properties, such as eliminating hydrogen bond donors.

Conclusions:

  • Proline analogues are crucial in contemporary drug discovery.
  • Further exploration of underrepresented proline analogues is warranted.
  • Strategic use of proline analogues offers promising avenues for novel therapeutics.