High Purity Lipopeptides

  • US 20110207658A1
  • Filed: 09/22/2010
  • Published: 08/25/2011
  • Est. Priority Date: 01/20/2000
  • Status: Active Grant
First Claim
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1. A composition comprising(a) essentially pure daptomycin,(b) daptomycin that is substantially free of anhydro-daptomycin and substantially free of β

  • -isomer of daptomycin,(c) daptomycin that is essentially free of anhydro-daptomycin and substantially free of β

    -isomer of daptomycin,(d) daptomycin that is free of anhydro-daptomycin and substantially free of β

    -isomer of daptomycin,(e) daptomycin that is substantially free of each of impurities 1 to 14 defined by peaks 1-14 shown in FIG. 12,(f) daptomycin that is essentially free of each of impurities 1 to 14 defined by peaks 1-14 shown in FIG. 12, or(g) substantially pure daptomycin.

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