Method for purifying ursodesoxycholic acid by adopting silanization technology

Method for purifying ursodesoxycholic acid by adopting silanization technology

  • CN 104,017,043 A
  • Filed: 06/20/2014
  • Published: 09/03/2014
  • Est. Priority Date: 06/20/2014
  • Status: Active Application
First Claim
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1. a method for silyation technigue purifying ursodeoxycholic acid, is characterized in that, comprises the following steps:

  • Step 1;

    the mixture that contains ursodesoxycholic acid (A) is dissolved in organic solvent, adds silylating reagent to react at 25~

    80 DEG C, reaction formula is as follows, makes the solution that contains ursodesoxycholic acid Silylation thing (B),

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