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US08481696B2 Glycosylated glycopeptide antibiotic derivatives 有权
糖基化糖肽抗生素衍生物

Glycosylated glycopeptide antibiotic derivatives
Abstract:
The present invention provides novel glycopeptides antibiotic derivatives comprising a sugar residue (I) represented by the formula: (wherein n is an integer of 1 to 5: Sugs are each independently a monosaccharide, (Sug)n is a divalent sugar residue formed by binding of same or different 1 to 5 monosaccharides; RA1 is optionally substituted lower alkyl, optionally substituted lower alkenyl, or optionally substituted cycloalkyl; and RE is OH or NHAc (Ac is acetyl)) is bound to an aromatic ring of the fourth amino acid residue in the glycopeptide skeleton. These derivatives have antibacterial activity against vancomycin-resistant bacteria.
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