申请人:Alnylam Pharmaceuticals, Inc.
公开号:EP3141265A1
公开(公告)日:2017-03-15
The present invention provides iRNA agents comprising at least one subunit of the formula (I): wherein: A and B are each independently for each occurrence O, N(RN) or S; X and Y are each independently for each occurrence H, OH, a hydroxyl protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, - P(Z')(Z")0- nucleoside, -P(Z')(Z")O-oligonucleotide, a lipid, a PEG, a steroid, a lipophile, a polymer, P(Z')(Z")O-Linker-OP(Z"')(Z"")O-oligonucleotide, a nucleotide, an oligonucleotide, - P(Z')(Z")-formula(I), -P(Z')(Z")- or -Linker-R; R is LG, -Linker-LG, or has the structure shown below: LG is independently for each occurence a carbohydrate, e.g., monosaccharide, disaccharide, trisaccharide, tetrasaccharide, oligosaccharide, polysaccharide; RN is independently for each occurrence H, methyl, ethyl, propyl, isopropyl, butyl, or benzyl; and Z', Z", Z'" and Z"" are each independently for each occurrence O or S.
本发明提供了包含至少一个式(I)亚基的 iRNA 制剂: 其中:A和B各自独立地为每次出现的O、N(RN)或S;X和Y各自独立地为每次出现的H、OH、羟基保护基团、
磷酸基团、
磷酸二酯基团、活化
磷酸基团、活化
亚磷酸酯基团、
磷酰胺基团、固体支持物、- P(Z')(Z")0-核苷、-P(Z')(Z")O-寡核苷酸、脂质、P
EG、类
固醇、亲脂质、聚合物、P(Z')(Z")O-连接剂-OP(Z"')(Z"")O-寡核苷酸、核苷酸、寡核苷酸、-P(Z')(Z")-式(I)、-P(Z')(Z")-或-连接剂-R;R 是 LG、-连接体-LG 或具有下图所示结构:LG 独立地为每次出现的
碳水化合物,如
单糖、二糖、三糖、四糖、
寡糖、
多糖;RN 独立地为每次出现的 H、甲基、乙基、丙基、异丙基、丁基或苄基;Z'、Z"、Z'"和 Z""独立地为每次出现的 O 或 S。