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An Efficient Method for the Synthesis of Peptoids with Mixed Lysine-type/Arginine-type Monomers and Evaluation of Their Anti-leishmanial Activity
Published on: November 2, 2016
An accessible bicyclic architecture for synthetic lectins
Joshua D Howgego1, Craig P Butts, Matthew P Crump
1School of Chemistry, University of Bristol, Cantock's Close, Bristol BS1 1TS, UK.
Summary
Bicyclic carbohydrate receptors are simpler to create and effectively bind monosaccharides with large groups. Preferred substrates include disaccharides with beta-glucosyl units, indicating their specific binding capabilities.
Area of Science:
- Carbohydrate chemistry
- Supramolecular chemistry
- Organic synthesis
Background:
- Designing synthetic receptors for carbohydrate recognition is crucial in various scientific fields.
- The synthesis of polycyclic systems presents significant challenges compared to simpler structures.
Purpose of the Study:
- To investigate the synthesis and binding properties of bicyclic carbohydrate receptors.
- To compare the efficacy of bicyclic receptors with more complex tri- and tetra-cyclic analogues.
- To identify preferred substrate types for these receptors, particularly concerning monosaccharide and disaccharide structures.
Main Methods:
- Synthesis of bicyclic carbohydrate receptor scaffolds.
- Binding studies using various monosaccharide and disaccharide derivatives.
- Structural analysis to understand receptor-carbohydrate interactions.
Main Results:
- Bicyclic carbohydrate receptors demonstrate synthetic accessibility compared to their polycyclic counterparts.
- These receptors exhibit enhanced binding affinity for monosaccharide residues, especially those with bulky appendages.
- Disaccharides incorporating beta-glucosyl units were identified as preferred substrates, highlighting specific recognition patterns.
Conclusions:
- Bicyclic carbohydrate receptors offer a practical and efficient platform for carbohydrate recognition.
- The structural features of the carbohydrate substrate significantly influence binding affinity.
- These findings contribute to the development of tailored receptors for specific saccharide targets.

