申请人:Manoharan Muthiah
公开号:US20110311583A1
公开(公告)日:2011-12-22
(A1) Translate this text 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 provides lipids having the following structure (I) 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, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ?-aminoalkyls, ?-(substituted)aminoalkyls, ?-phosphoalkyls, ?-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; E is O, S, N(Q), C(O), N(Q)C(O), C(0)N(Q), (Q)N(CO)O, O(CO)N(Q), S(O), NS(O)2N(Q), S(O)2, N(Q)S(O)2, SS, O═N, aryl, heteroaryl, cyclic or heterocycle; and, Q is H, alkyl, ?-aminoalkyl, ?-(substituted)aminoalky, ?-phosphoalkyl or ?-thiophosphoalkyl.
本发明提供了脂质,这些脂质优势地用于治疗剂的体内传递到细胞的脂质颗粒中。特别地,本发明提供了具有以下结构(I)的脂质,其中R1和R2分别独立于每个发生的情况下,可以是可选取代的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-连接子-配体;R3是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,烷基磷酸盐,烷基磷酸硫酯,烷基磷酸二硫酯,烷基膦酸盐,烷基胺,羟基烷基,?-氨基烷基,?-(取代)氨基烷基,?-磷酸基烷基,?-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,杂环化合物或连接子-配体;E是O、S、N(Q)、C(O)、N(Q)C(O)、C(0)N(Q)、(Q)N(CO)O、O(CO)N(Q)、S(O)、NS(O)2N(Q)、S(O)2、N(Q)S(O)2、SS、O═N、芳基、杂环芳基、环状或杂环;Q是H、烷基、?-氨基烷基、?-(取代)氨基烷基、?-磷酸基烷基或?-硫代磷酸基烷基。