作者:Adel S. Abdelrahim、Pavla Simerska、Istvan Toth
DOI:10.1016/j.tet.2012.04.064
日期:2012.6
series of anionic liposaccharide derivatives were synthesized in order to develop a system, which would have the capacity to act as an absorption enhancer and to improve oral bioavailability of drugs. The addition of a liposaccharide to a drug enhances drug stability against enzymatic degradation, while the lipophilicity can be controlled by variation of the lipid side chain. All liposaccharide derivatives
为了开发系统,合成了一系列阴离子脂糖衍生物,该系统具有充当吸收促进剂和改善药物的口服生物利用度的能力。向药物中添加脂糖可增强药物抵抗酶促降解的稳定性,而亲脂性可通过脂质侧链的变化来控制。所有脂糖衍生物均已纯化,并通过核磁共振和高分辨率质谱进行了全面表征。通过等温滴定微量热法,透射电子显微镜和动态光散射法测定了合成脂糖的热力学曲线,临界聚集浓度和大小。这些脂糖形成尺寸小于100nm的纳米颗粒。