申请人:Wu Nian
公开号:US20150157721A1
公开(公告)日:2015-06-11
The invention comprises compounds, methods of making, and methods of using. The compounds may have a linear or cylic backbone and three or four appended functional groups: one or two lipohilic compounds including sterols or “fat soluble” vitamins, one or two hydrophilic polymer, and one or two carbohydrate. A group of polymer-carbohydrate conjugates having a central backbone and three appended functional groups are disclosed wherein one lipophilic compound is void of both steroid acids. The conjugate may have fatty acids as the primary lipophilic carrier, one hydrophilic polymer, and one carbohydrate. Specific functional groups may be selected for specific applications in formulating pharmaceuticals, cosmetics, nutriceuticals, and the like. Typical coupling reaction of the conjugates may involve one or more or combinations or in series of alkylation including N-alkylation or O-alkylation, etherification, esterification and amidation chemical processes. A variety of linkers between the backbone and functional groups may also be selected to modify the carriers or center backbones for the coupling reactions and optimize performance of the conjugates.
该发明包括化合物、制备方法和使用方法。这些化合物可能具有线性或环状的骨架,以及三个或四个附加的功能基团:一个或两个疏水化合物,包括固醇或“脂溶性”维生素,一个或两个亲水性聚合物,以及一个或两个碳水化合物。公开了一组具有中心骨架和三个附加功能基团的聚合物-碳水化合物共轭物,其中一个疏水性化合物不含类固醇酸。该共轭物可能以脂肪酸作为主要疏水载体,一个亲水性聚合物和一个碳水化合物。特定的功能基团可以根据在制备药物、化妆品、营养保健品等方面的具体应用而选择。共轭物的典型偶联反应可能涉及一种或多种或组合或串联的烷基化,包括N-烷基化或O-烷基化,醚化,酯化和酰胺化化学过程。还可以选择各种连接剂连接骨架和功能基团之间,以修改载体或中心骨架以进行偶联反应并优化共轭物的性能。