Glycopeptide derivatives and pharmaceutical compositions...

Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – Cyclic peptides

Reexamination Certificate

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C514S008100, C514S011400, C530S322000

Reexamination Certificate

active

06962970

ABSTRACT:
Disclosed are derivatives of glycopeptide compounds having at least one substituent of the formula:in-line-formulae description="In-line Formulae" end="lead"?—Ra—Y—Rb—(Z)xin-line-formulae description="In-line Formulae" end="tail"?where Ra, Rb, Y, Z and x are as defined, and pharmaceutical compositions containing such glycopeptide derivatives. The disclosed glycopeptide derivatives are useful as antibacterial agents.

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