Exploring architectures displaying multimeric presentations of a trihydroxypiperidine iminosugar

Area of Science:

• Carbohydrate Chemistry
• Medicinal Chemistry
• Supramolecular Chemistry

Background:

• α-fucosidase is a key enzyme in various biological processes, and its inhibitors are of therapeutic interest.
• Multivalent architectures can enhance the binding affinity and efficacy of bioactive molecules.
• Piperidine derivatives have shown promise as enzyme inhibitors.

Purpose of the Study:

• To synthesize novel multivalent architectures based on a trihydroxypiperidine α-fucosidase inhibitor.
• To explore the utility of click chemistry for constructing complex molecular architectures.
• To conduct a preliminary biological evaluation of the synthesized compounds against glycosidases.

Main Methods:

• Synthesis of tetravalent and nonavalent dendrimers using the copper azide-alkyne-catalyzed cycloaddition (CuAAC) reaction.
• Utilizing click chemistry to link terminal alkyne-bearing scaffolds with an azido-functionalized piperidine inhibitor.
• Preliminary biological assays against commercially available and human glycosidases.

Main Results:

• Successful synthesis of tetravalent and nonavalent dendrimeric structures.
• Demonstration of the click chemistry approach for creating multivalent inhibitors.
• Initial data on the inhibitory activity against selected glycosidases.

Conclusions:

• The study reports the successful synthesis of novel multivalent α-fucosidase inhibitors.
• Click chemistry provides an efficient route to these complex molecular architectures.
• Further investigation is warranted to fully elucidate the biological potential of these compounds.