Complete tetraglycosylation of a calix[4]arene by a chemo-enzymatic approach

文献情報

出版日 2017-11-15

DOI 10.1039/C7OB02448G

インパクトファクター 3.876

著者

Silvia Bernardi, Dong Yi, Ning He, Alessandro Casnati, Wolf-Dieter Fessner, Francesco Sansone

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要旨

Polyglycosylated calixarenes are efficient and selective multivalent ligands for lectins. However, the chemical decoration of these macrocyclic scaffolds with saccharides of increasing complexity is hampered by the highly complex chemistry of carbohydrates. An alternative to the conventional approach is the enzymatic diversification of simple glycocluster-presented glycans. In this work, we present a highly efficient chemo-enzymatic approach to tetra-N-acetyl-lactosaminylcalix[4]arene via glycan extension catalyzed by a human β-1,4-galactosyltransferase. This demonstrates that calixarenes can be exhaustively processed by enzymatic glycosyl transfer despite the heavy steric crowding, paving the way to the design and achievement of multivalent ligands based on these macrocyclic scaffolds having complex branched glycans.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

Complete tetraglycosylation of a calix[4]arene by a chemo-enzymatic approach

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