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公开(公告)号:US20120136042A1
公开(公告)日:2012-05-31
申请号:US13326203
申请日:2011-12-14
IPC分类号: A61K31/713 , C07K2/00 , C12N5/071 , C07H21/02
CPC分类号: A61K47/28 , A61K31/70 , A61K31/7004 , A61K31/7052 , A61K31/7088 , A61K31/713 , A61K47/16 , A61K47/22 , A61K47/543 , A61K47/549 , A61K47/60 , A61K48/00 , C07H21/02 , Y02A50/385 , Y02A50/411 , Y02A50/467 , Y02P20/55
摘要: 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″)O-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 occurrence 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.
摘要翻译: 本发明提供包含至少一个式(I)亚基的iRNA试剂:其中:A和B各自独立地为O,N(RN)或S; X和Y各自独立地为H,OH,羟基保护基,磷酸基,磷酸二酯基,活化磷酸酯基,活化亚磷酸酯基,亚磷酰胺,固体载体,-P(Z')( Z“)O-核苷,-P(Z')(Z”)O-寡核苷酸,脂质,PEG,类固醇,亲脂性,聚合物,-P(Z')(Z“)O-Linker- OP(Z'“)(Z”“) - 寡核苷酸,寡核苷酸,-P(Z')(Z”) - 式(I),-P(Z')(Z“) - 链接器R R是LG,-Linker-LG,或具有如下结构:每次出现LG独立为碳水化合物,例如单糖,二糖,三糖,四糖,寡糖,多糖; 乙烯基,丙基,异丙基,丁基或苄基各自独立地为N, 和Z',Z“,Z”“和Z”“各自独立地为O或S.