发明名称 Method for the Preparation of 1-Benzotriazolyl Carbonate Esters of Poly(ethylene glycol)
摘要 The present invention provides a biologically active conjugate, obtainable by reacting an amino acid derivative of the following structure wherein PEG is poly(ethylene glycol) and Z is selected from the group consisting ofH, N-succinimidyl, or 1-benzotriazolyl, with a protein.
申请公布号 EP2070968(A2) 申请公布日期 2009.06.17
申请号 EP20090154211 申请日期 2000.12.18
申请人 NEKTAR THERAPEUTICS AL, CORPORATION 发明人 KOZLOWSKI, ANTONI
分类号 C08G65/333;C12N9/96;A61K47/48;C08F8/30;C08G65/325;C08G65/329;C08G65/332 主分类号 C08G65/333
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