Tetrazoles of manno- and rhamno-pyranoses: Contrasting inhibition of mannosidases by [4.3.0] but of rhamnosidase by [3.3.0] bicyclic tetrazoles

Tetrazoles of manno- and rhamno-pyranoses: Contrasting inhibition of mannosidases by [4.3.0] but of rhamnosidase by [3.3.0] bicyclic tetrazoles

The synthesis of tetrazoles derived from D-manno and D- rhamnopyranose from L-gulonolactone and of L-rhamnopyranose from D-gulonolactone is described. These and other materials are assessed as inhibitors of glycosidases. The [4.3.0] tetrazoles of D-manno- and D-rhamnopyranose are inhibitors of human...

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Bibliographic Details
Main Authors: Davis, B, Brandstetter, T, Hackett, L, Winchester, BG, Nash, R, Watson, A, Griffiths, R, Smith, C, Fleet, G
Format: Journal article
Language:English
Published: Elsevier 1999
Description
Summary:The synthesis of tetrazoles derived from D-manno and D- rhamnopyranose from L-gulonolactone and of L-rhamnopyranose from D-gulonolactone is described. These and other materials are assessed as inhibitors of glycosidases. The [4.3.0] tetrazoles of D-manno- and D-rhamnopyranose are inhibitors of human liver α-mannosidase. In contrast the D-furanose analogues show no inhibitory activity whilst the [3.3.0] L-rhamno furanotetrazole is a potent rhamnosidase inhibitor, a potential inhibitor of mycobacterial cell wall biosynthesis and as such may provide a strategy for the treatment of tuberculosis.

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