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    • 4. 发明申请
    • FOLATE-IRNA CONJUGATES
    • FOLATE-IRNA结合
    • WO2009082606A3
    • 2009-12-17
    • PCT/US2008085577
    • 2008-12-04
    • ALNYLAM PHARMACEUTICALS INCMANOHARAN MUTHIAHRAJEEV KALLANTHOTTATHIL GJAYARAMAN MUTHUSAMYNARAYANANNAIR JAYAPRAKASH K
    • MANOHARAN MUTHIAHRAJEEV KALLANTHOTTATHIL GJAYARAMAN MUTHUSAMYNARAYANANNAIR JAYAPRAKASH K
    • A61K47/48
    • C12N15/113A61K47/55
    • The present invention provides iRNA agent including at least one monomer having the structure shown in formula (I') wherein: A and B are each independently for each occurrence O, N(R ) or S; X is H, a 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 polymer, -P(Z' )(Z")O-L6-Q'-L7-OP(Z'")(Z"")O-oligonucleotide, a nucleotide, or an oligonucleotide; Y is H, a 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-L6-Q'-L7-OP(Z'")(Z"")O-oligonucleotide, a nucleotide, or an oligonucleotide; R is folate, a folate analog a folate mimic or a folate receptor binding ligand; L6 and L7 are each independently for each occurrence -(CH2)I1-, -C(R')(R")(CH2)n-, - (CH2)nC(R')(R")-, -(CH2CH2O)mCH2CH2-, or -(CH2CH2O)mCH2CH2NH-; Q' is NH, O, S, CH2, C(O)O, C(O)NH, -NH-CH(Ra)-C(0)-, -C(0)-CH(Ra)-NH-, CO, formula (A) where Ra is H or amino acid side;;chain. R' and R" are each independently H, CH3, OH, SH, NH2, NH(Alkyl = Me, Et, Pr, isoPr, Bu, Bn) or N(diAlkyl = Me2, Et2, Bn2); Z', Z", Z' " and Z"" are independently 0 or S; n represent independently for each occurrence 1-20; and m represent independently for each occurrence 0-50.
    • 本发明提供包含至少一种具有式(I')所示结构的单体的iRNA试剂,其中:A和B各自独立地为O,N(R)或S; X是H,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,聚合物,-P(Z')(Z”)O-L6-Q'-L7-OP(Z' “”)O-寡核苷酸,核苷酸或寡核苷酸; Y是H,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-L6-Q'-L7-OP )(Z“”)O-寡核苷酸,核苷酸或寡核苷酸; R是叶酸,叶酸类似物叶酸类似物或叶酸受体结合配体; (CH 2)n - (CH 2)n C(R')(R“) - , - (CH 2 CH 2 O) )mCH2CH2-或 - (CH2CH2O)mCH2CH2NH-; Q'是NH,O,S,CH 2,C(O)O,C(O)NH,-NH-CH(R a)-C(O) - , - C(O) ,CO,式(A)其中Ra为H或氨基酸侧;链。 R'和R“各自独立地为H,CH 3,OH,SH,NH 2,NH(烷基= Me,Et,Pr,isoPr,Bu,Bn)或N(二烷基= Me2,Et2,Bn2); Z',Z “,Z”“和”Z“”独立地为0或S; n代表每次出现1-20个独立地表示; m代表每次出现的0-50。