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Methods for preparing purified daptomycin

  • US 20030045484A1
  • Filed: 12/17/2001
  • Published: 03/06/2003
  • Est. Priority Date: 12/18/2000
  • Status: Abandoned Application
First Claim
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1. A method for preparing daptomycin, comprising the steps of providing an amorphous form of daptomycin and crystallizing the daptomycin from a crystallization solution comprising a cation from a salt, a buffer, an organic precipitant, and a low molecular weight alcohol.

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