CN Patent

CN101564537A — 3,5-二羟基-4-异丙基二苯乙烯-溴乙酸乙酯-聚乙二醇复合物及其合成方法

Assigned to Hebei University of Science and Technology · Expires 2009-10-28 · 17y expired

What this patent protects

本发明公开了一种3,5-二羟基-4-异丙基二苯乙烯-溴乙酸乙酯-聚乙二醇复合物聚乙二醇-二(乙酸-4-异丙基-5-羟基二苯乙烯-3-酚酯),原药为3,5-二羟基-4-异丙基二苯乙烯(苯烯莫德),修饰物为聚乙二醇,连接臂为溴乙酸乙酯;该复合物的合成方法包括酯化—水解—酯化三步反应。本发明所提供的复合物与原药相比,水溶性和稳定性大大增加,改变药物体内分布,同时提高生物利用度;其合成方法简单易行,条件温和,成本较低,无需大量繁琐的实验步骤,即可容易地制备3,5-二羟基-4-异丙基二苯乙烯-溴乙酸乙酯-聚乙二醇复合物。

USPTO Abstract

本发明公开了一种3,5-二羟基-4-异丙基二苯乙烯-溴乙酸乙酯-聚乙二醇复合物聚乙二醇-二(乙酸-4-异丙基-5-羟基二苯乙烯-3-酚酯),原药为3,5-二羟基-4-异丙基二苯乙烯(苯烯莫德),修饰物为聚乙二醇,连接臂为溴乙酸乙酯;该复合物的合成方法包括酯化—水解—酯化三步反应。本发明所提供的复合物与原药相比,水溶性和稳定性大大增加,改变药物体内分布,同时提高生物利用度;其合成方法简单易行,条件温和,成本较低,无需大量繁琐的实验步骤,即可容易地制备3,5-二羟基-4-异丙基二苯乙烯-溴乙酸乙酯-聚乙二醇复合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN101564537A
Jurisdiction
CN
Classification
Expires
2009-10-28
Drug substance claim
No
Drug product claim
No
Assignee
Hebei University of Science and Technology
Source
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