The Journal of Antibiotics
Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820
Glycopeptide Carboxamides Active against Vancomycin-resistant Enterococci
MARK J. ZWEIFELNANCY J. SNYDERROBIN D. G. COOPERTHALIA I. NICASDEBORAH L. MULLENTHOMAS F. BUTLERMICHAEL J. RODRIGUEZ
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2003 Volume 56 Issue 3 Pages 289-295

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Abstract

Glycopeptide antibiotics were synthesized via the PyBOP® mediated condensation of aliphatic, heterocyclic and aromatic amines with the C-terminus of vancomycin, LY264826 (A82846B) and semi-synthetic derivatives of these natural products. Amides of LY264826 and vancomycin demonstrated excellent activity against staphylococci and streptococci as compared to the parent natural product. However, the amides of N-alkylated LY264826 and N-alkylated vancomycin were active against vancomycin-resistant enterococci as well as other Grampositive pathogens such as Staphylococcus aureus, S. haemolyticus, S. epidermidis and Streptococcus pneumoniae.

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