申请人:Manoharan Muthiah
公开号:US09186325B2
公开(公告)日:2015-11-17
The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention formula (I) provides lipids having the following structure XXXIII wherein: R1 and R2 are each independently for each occurrence optionally substituted C10-C30 alkyl, optionally substituted C10-C30 alkenyl, optionally substituted C10-C30 alkynyl, optionally substituted C10-C30 acyl, or -linker-ligand; R3 is H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl, optionally substituted C2-C10 alkynyl, alky lhetro cycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ω-aminoalkyls, ω-(substituted)aminoalkyls, ω-phosphoalkyls, ω-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; and E is C(O)O or OC(O).
本发明提供了脂质,这些脂质可优势地用于脂质颗粒,以将治疗剂送达至细胞。特别地,本发明公式(I)提供了具有以下结构XXXIII的脂质,其中:R1和R2分别是每次出现的可选取代的C10-C30烷基,可选取代的C10-C30烯基,可选取代的C10-C30炔基,可选取代的C10-C30酰基或-连接剂-配体;R3为H,可选取代的C1-C10烷基,可选取代的C2-C10烯基,可选取代的C2-C10炔基,烷基杂环,烷基磷酸,烷基磷酰硫酸,烷基磷酸二硫酸,烷基膦酸酯,烷基胺,羟基烷基,ω-氨基烷基,ω-(取代)氨基烷基,ω-磷酸基烷基,ω-硫代磷酸基烷基,可选取代的聚乙二醇(PEG,分子量100-40K),可选取代的mPEG(分子量120-40K),杂环芳基,杂环或连接剂-配体;E为C(O)O或OC(O)。