Synthesis of ganglioside G(M3) and G(M4) analogs having mimics of ceramide moieties and their binding activities with influenza virus A

DOI: 10.1248/cpb.43.1536

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1536 - 1542 (1995)

Update date:2022-08-02

Topics: Synthesis NMR (nuclear magnetic resonance) Ganglioside Ceramide Binding assay HPLC (High Performance Liquid Chromatography)

Authors:

Nagao Nagao

Nekado Nekado

Ikeda Ikeda

Achiwa Achiwa

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Article abstract of DOI:10.1248/cpb.43.1536

Ganglioside G(M4) (1) and G(M3) (2) analogs, which contain mimics of the ceramide moieties of gangliosides, were synthesized. The syntheses of 1 and 2 feature stereoselective glycosylation of methyl (phenyl 5-acetamido-4,7,8,9- tetra-O-acetyl-3,5-dideoxy-2-thio-β-D-galacto-2-nonulopyranosid)onate (10) as the sialosyl donor with suitably protected galactose and lactose acceptors catalyzed by N-bromosuccinimide (NBS), iodine, and tetrabutylammonium trifluoromethanesulfonate (TBAOTf) as the glycosyl promoter in acetonitrile under kinetically controlled conditions. Compound 2 exhibited binding activity towards influenza virus A.

Full text of DOI:10.1248/cpb.43.1536

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