polysaccharide derivative and preparation method thereof and separating agent

polysaccharide derivative and preparation method thereof and separating agent

  • CN 102,311,504 B
  • Filed: 07/09/2010
  • Issued: 05/10/2017
  • Est. Priority Date: 07/09/2010
  • Status: Active Grant
First Claim
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1. the preparation method of polysaccharide derivates, it possesses following steps:

  • Make to be substituted by containing have the Component units of polysaccharide 2 and the hydroxyl of 3 or the hydrogen atom of amino mutually the sameFollowing formulas(

    1)

    The polysaccharide derivates as raw material and following formulas of the structure of the 1 valency group for representing(

    3)

    The chemical combination of expressionThing reacts, thus, by the above-mentioned formula of the hydrogen atom of the hydroxyl or amino that replace above-mentioned 2 and 3(

    1)

    The 1 valency group for representingAny one party be substituted by following formulas(

    2)

    The step of 1 valency group for representing,R1-NH-CO- (

    1)

    In formula(

    1)

    In, R1Substituted or unsubstituted aryl is represented,R2-NCO (

    3)

    In formula(

    3)

    In, R2Represent and above-mentioned R1Different substituted or unsubstituted aryl,R2-NH-CO- (

    2)

    In formula(

    2)

    In, R2With above-mentioned formula(

    3)

    In R2Define identical.

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