Dong X, Tillequin F, Monneret C, Horvath G, Sztaricskai F. Synthesis of a phenyl beta-avobioside derivative of the disaccharide component of avoparcins.
Carbohydr Res 1992;
232:107-15. [PMID:
1423343 DOI:
10.1016/s0008-6215(00)90997-2]
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Abstract
The synthesis of the phenyl beta-glycoside of avobiose, a disaccharide fragment present in the antibiotic avoparcin, is reported. It is based on glycosylation of phenyl 3,4,6-tri-O-benzyl-beta-D-glucopyranoside with 2,3,6-trideoxy-4-O-p-nitrobenzoyl-3-trifluoroacetamido-L-ribo-hex- 1-enitol, a fully protected glycal of L-ristosamine, in the presence of trimethylsilyl triflate.
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