Exploiting non-covalent interactions in selective carbohydrate synthesis

Non-covalent interactions (NCIs) are a vital component of biological bond-forming events, and have found important applications in multiple branches of chemistry. In recent years, the biomimetic exploitation of NCIs in challenging glycosidic bond formation and glycofunctionalizations has attracted s...

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Veröffentlicht in:Nature reviews. Chemistry 2021-11, Vol.5 (11), p.792-815
1. Verfasser: Loh, Charles C. J.
Format: Artikel
Sprache:eng
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Zusammenfassung:Non-covalent interactions (NCIs) are a vital component of biological bond-forming events, and have found important applications in multiple branches of chemistry. In recent years, the biomimetic exploitation of NCIs in challenging glycosidic bond formation and glycofunctionalizations has attracted significant interest across diverse communities of organic and carbohydrate chemists. This emerging theme is a major new direction in contemporary carbohydrate chemistry, and is rapidly gaining traction as a robust strategy to tackle long-standing issues such as anomeric and site selectivity. This Review thus seeks to provide a bird’s-eye view of wide-ranging advances in harnessing NCIs within the broad field of synthetic carbohydrate chemistry. These include the exploitation of NCIs in non-covalent catalysed glycosylations, in non-covalent catalysed glycofunctionalizations, in aglycone delivery, in stabilization of intermediates and transition states, in the existence of intramolecular hydrogen bonding networks and in aggregation by hydrogen bonds. In addition, recent emerging opportunities in exploiting halogen bonding and other unconventional NCIs, such as CH– π , cation– π and cation– n interactions, in various aspects of carbohydrate chemistry are also examined. The exploitation of non-covalent interactions in carbohydrate chemistry is gaining traction. This Review summarizes recent developments in harnessing non-covalent interactions in selective carbohydrate synthesis, and highlights future directions.
ISSN:2397-3358
2397-3358
DOI:10.1038/s41570-021-00324-y