Syntheses of two trimannose analogs each containing C-mannosyl or 5-thio-C-mannosyl residue: their affinities to concanavalin A.

Abstract:

:C-Mannosyl residue-containing trimannose ManC alpha(1,6)[Man alpha(1,3)Man] (2) and 5-thio-C mannosyl residue-containing trimannose 5SManC alpha(1,6)[Man alpha(1,3)Man] (3) were synthesized via a glycosyl radical addition to enone derivative of mannose (6). Dissociation constants for the binding of these trisaccharides to concanavalin A (ConA) were determined by a fluorescence anisotropy inhibition assay: Kd = 198 and 31 microM, respectively. The unexpectedly large Kd value for the compound 2 compared with the compound 3 and the natural trimannose 1 demonstrates a characteristic of C-glycoside.

journal_name

Bioorg Med Chem Lett

authors

Tsuruta O,Yuasa H,Kurono S,Hashimoto H

doi

10.1016/s0960-894x(99)00087-6

subject

Has Abstract

pub_date

1999-03-22 00:00:00

pages

807-10

issue

6

eissn

0960-894X

issn

1464-3405

pii

S0960894X99000876

journal_volume

9

pub_type

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