Growing impact of 'Click chemistry' inspired glycohybrid 1,2,3-Triazoles in organic synthesis.

Area of Science:

• Carbohydrate Chemistry
• Organic Synthesis
• Catalysis

Background:

• Carbohydrates possess unique structural features, including multiple hydroxyl groups and stereogenic centers, making them attractive scaffolds for ligand design.
• 1,2,3-triazole-linked sugar conjugates, synthesized via copper-catalyzed alkyne-azide cycloaddition (CuAAC), have gained prominence as ligands in transition metal catalysis.

Purpose of the Study:

• To provide a concise overview of click-derived 1,2,3-triazole-sugar conjugates as ligands in transition metal catalysis.
• To highlight their role in enhancing catalytic activity, controlling selectivity, and improving efficiency.

Main Methods:

• Review of literature on the synthesis and application of 1,2,3-triazole-sugar conjugates.
• Focus on regioselective copper-catalyzed alkyne-azide cycloaddition (CuAAC) for conjugate synthesis.

Main Results:

• These glycoconjugates have demonstrated utility in various C-C and C-N bond-forming reactions (e.g., Ullmann, Sonogashira couplings).
• Applications extend to asymmetric catalysis, ligand-assisted activation, and sustainable synthesis with Cu, Ni, and Pd catalysts.
• The conjugates effectively enhance catalytic reactivity and control regio- and stereoselectivity.

Conclusions:

• Click-derived 1,2,3-triazole-sugar conjugates represent a valuable class of ligands for transition metal catalysis.
• Their application leads to improved performance in diverse metal-mediated transformations, offering avenues for more efficient and selective synthesis.