Syntheses of beta-d-Galf-(1-->6)-beta-d-Galf-(1-->5)-d-Galf and beta-d-Galf-(1-->5)-beta-d-Galf-(1-->6)-d-Galf, trisaccharide units in the galactan of Mycobacterium tuberculosis.
J Org Chem
; 68(18): 6928-34, 2003 Sep 05.
Article
em En
| MEDLINE
| ID: mdl-12946132
The galactofuran is a crucial constituent of the cell wall of mycobacteria. An efficient synthesis of the two trisaccharide units of the galactan is described. The strategy relies on the use of substituted d-galactono-1,4-lactones as precursors for the internal and the reducing galactofuranoses. Dec-9-enyl beta-d-Galf-(1-->6)-beta-d-Galf-(1-->5)-beta-d-Galf (2) and dec-9-enyl beta-d-Galf-(1-->5)-beta-d-Galf-(1-->6)-beta-d-Galf (9) so far reported as convenient substrates for the galactofuranosyl transferase, and possibly useful for immunological studies, were obtained by the trichloroacetimidate method of glycosylation.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Trissacarídeos
/
Triterpenos
/
Furanos
/
Mycobacterium tuberculosis
Idioma:
En
Revista:
J Org Chem
Ano de publicação:
2003
Tipo de documento:
Article
País de afiliação:
Argentina
País de publicação:
Estados Unidos