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    • 10. 发明授权
    • Substantially monodispersed mixtures of polymers having polyethylene glycol moieties
    • 具有聚乙二醇部分的聚合物的基本单分散混合物
    • US07119162B2
    • 2006-10-10
    • US10977973
    • 2004-10-29
    • Nnochiri N. EkwuribeChristopher H. PriceAslam M. AnsariAmy L. Odenbaugh
    • Nnochiri N. EkwuribeChristopher H. PriceAslam M. AnsariAmy L. Odenbaugh
    • C08G65/34
    • C08G65/334C08L71/02C08L71/00
    • Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R1(OC2H4)n—O−X+   (I) wherein R1 is H or a lipophilic moiety; n is from 1 to 25; and X+ is a positive ion, with a substantially monodispersed mixture of compounds having the structure of Formula II: R2(OC2H4)m—OMs   (II) wherein R2 is H or a lipophilic moiety; and m is from 1 to 25, under conditions sufficient to provide a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties and having the structure of Formula III: R2(OC2H4)m+n—OR1 .   (III) Substantially monodispersed mixtures of polymers comprising polyethylene glycol moieties are also disclosed.
    • 合成基本上单分散的包含聚乙二醇部分的聚合物的混合物的方法包括:使具有式I结构的化合物的基本上单分散的混合物:<?in-line-formula description =“In-Line Formulas”end =“lead” (O 2 H 4) (I)<?in-line-formula description =“In-line formula”end =“tail”?>其中R 1是H或亲油部分; n为1至25; 并且X + +是正离子,其具有具有式II结构的化合物的基本上单分散的混合物:<?in-line-formula description =“In-line Formulas”end =“lead”? (II)H 2 -OMs(II)&lt;&lt;&lt;&lt; 2-in-line-formula description =“In-line Formulas”end =“tail”?>其中R 2是H或亲脂性部分; 且m为1至25,在足以提供包含聚乙二醇部分并且具有式III结构的基本上单分散的聚合物混合物的条件下:<?在线公式描述=“在线公式”末端=“铅 (○2 H 4)m + n - 或 - 1个/ SUP>。 (III)<?in-line-formula description =“In-line Formulas”end =“tail”?>还公开了包含聚乙二醇部分的聚合物的基本上单分散的混合物。