Synthesis of imidazo[1,2-

Area of Science:

• Medicinal Chemistry
• Organic Synthesis
• Pharmacology

Background:

• Peptidomimetics are crucial in drug discovery for mimicking peptide structures.
• The imidazo[1,2-a]pyridine scaffold is a privileged structure in medicinal chemistry.
• Multicomponent reactions offer efficient synthesis of complex molecules.

Purpose of the Study:

• To synthesize novel peptidomimetics featuring a substituted imidazo[1,2-a]pyridine core.
• To explore scaffold diversity and introduce multiple points for chemical modification.
• To evaluate the synthesized compounds for potential antibacterial activity.

Main Methods:

• Tandem Groebke-Blackburn-Bienaymé and Ugi reactions were employed for synthesis.
• Four points of diversity were introduced using readily available starting materials.
• A focused library of 20 Ugi products was generated.
• Antibacterial screening was performed on the compound library.

Main Results:

• Successful synthesis of peptidomimetics containing the imidazo[1,2-a]pyridine pharmacophore.
• Introduction of significant structural diversity through the synthetic strategy.
• Identification of potential antibacterial activity within the synthesized compound library.

Conclusions:

• The developed synthetic route efficiently produces diverse imidazo[1,2-a]pyridine-based peptidomimetics.
• The synthesized compounds represent a promising starting point for developing new antibacterial agents.
• Further investigation is warranted to optimize and validate the identified antibacterial leads.