申请人:Manoharan Muthiah
公开号:US20110311582A1
公开(公告)日:2011-12-22
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: R
1
and R
2
are each independently for each occurrence optionally substituted C
10
-C
30
alkyl, optionally substituted C
10
-C
30
alkenyl, optionally substituted C
10
-C
30
alkynyl, optionally substituted C
10
-C
30
acyl, or -linker-ligand; R
3
is H, optionally substituted C
1
-C
10
alkyl, optionally substituted C
2
-C
10
alkenyl, optionally substituted C
2
-C
10
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,这些脂质在体内传递治疗剂到细胞的脂质颗粒中具有优势。特别是,本发明公式(I)提供了具有以下结构XXXIII的脂质,其中:R1和R2分别为每次出现的可选取代C10-C30烷基,可选取代C10-C30烯基,可选取代C10-C30炔基,可选取代C10-C30酰基,或-连接物-配基; R3为H,可选取代C1-C10烷基,可选取代C2-C10烯基,可选取代C2-C10炔基,烷基杂环,烷基磷酸盐,烷基磷酸硫酸盐,烷基磷酸二硫酸盐,烷基膦酸盐,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,可选取代聚乙二醇(PEG,mw 100-40K),可选取代mPEG(mw 120-40K),杂环芳基,杂环,或连接物配基; E为C(O)O或OC(O)。