发明名称 |
High molecular weight polymer-based prodrugs |
摘要 |
High molecular weight, water-soluble prodrugs of the formula: <IMAGE> (I) wherein: D is a biologically active moiety; M is X or Q; X is an electron withdrawing group; Q is a moiety containing a free electron pair positioned five or six atoms from Y'; Y and Y' are oxygen or sulfur; R is a polyalkylene oxide; and Z is OH, C1-4 all moieties or <IMAGE> are disclosed. In preferred embodiments, the prodrugs contain a polyethylene glycol having a molecular weight of at least about 20,000.
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申请公布号 |
US5880131(A) |
申请公布日期 |
1999.03.09 |
申请号 |
US19950537207 |
申请日期 |
1995.09.29 |
申请人 |
ENZON, INC. |
发明人 |
GREENWALD, RICHARD B.;PENDRI, ANNAPURNA |
分类号 |
A61K31/335;A61K47/48;C07D305/14;C07D491/22;(IPC1-7):A61K31/44 |
主分类号 |
A61K31/335 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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