The present invention provides compounds of formula (1). Another aspect of the invention relates to a method of inhibiting the expression of a gene in call, the method comprising (a) contacting an oligonucleotide of the invention with the cell; and (b) maintaining the cell from step (a) for a time s
The present invention provides compounds of formula (1). Another aspect of the invention relates to a method of inhibiting the expression of a gene in call, the method comprising (a) contacting an oligonucleotide of the invention with the cell; and (b) maintaining the cell from step (a) for a time sufficient to obtain degradation of the mRNA of the target gene.
대표청구항▼
1. A compound represented by one the following formulas: wherein: X10, Y10 and Z10 are each independently O;Z1 is a phosphoramidite or an oligonucleotide;B is selected from the group consisting of hydrogen, aliphatic, substituted aliphatic, natural nucleobase, modified nucleobase and universal base
1. A compound represented by one the following formulas: wherein: X10, Y10 and Z10 are each independently O;Z1 is a phosphoramidite or an oligonucleotide;B is selected from the group consisting of hydrogen, aliphatic, substituted aliphatic, natural nucleobase, modified nucleobase and universal base;W is H, halogen, OR10, SR10, NQ1Q2, substituted or unsubstituted aliphatic, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclyl, protecting group, reactive phosphorus group, or oligonucleotide;Q1 and Q2 are each independently selected from the group consisting of H, OH, substituted or unsubstituted aliphatic, substituted or unsubstituted acyl, substituted or unsubstituted carboxyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclyl, and substituted or unsubstituted cycloalkyl;R100 is OH, SH, NQ1Q2, (CH2)nCOR100, (CH2)nNQ1Q2, (CH2)n OH, (CH2)n SH, alkyl, alkoxy, aralkyl, aryl, heterocyclic, heteroaryl, cyclic alkyl, alkenyl, alkynyl, aralkenyl or aralkynyl;Y′ is OP(Z10)(X10)Y10;n is 1-10;p is 0-10; andR10 is independently hydrogen, substituted or unsubstituted aliphatic, hydroxyl or alkoxy, substituted aliphatic, aryl, arylaliphatic, hydroxyl or alkoxy substituted aryl, hydroxyl or alkoxy substituted arylaliphatic, heteroaryl, heterocyclic, hydroxyl or alkoxy substituted heteroaryl, or hydroxyl or alkoxy substituted heterocyclic. 2. The compound of claim 1, represented by the formula: 3. The compound of claim 1 wherein n is 1-4. 4. The compound of claim 1 wherein R100 is OH or alkoxy. 5. The compound of claim 1, wherein Z1 is said oligonucleotide wherein the oligonucleotide comprises: 1-20 first-type regions, each first-type region independently comprising 1-20 contiguous nucleosides wherein each nucleoside of each first-type region comprises a first-type modification;0-20 second-type regions, each second-type region independently comprising 1-20 contiguous nucleosides wherein each nucleoside of each second-type region comprises a second-type modification; and0-20 third-type regions, each third-type region independently comprising 1-20 contiguous nucleosides wherein each nucleoside of each third-type region comprises a third-type modification,wherein the first-type modification, the second-type modification, and the third-type modification are each independently selected from 2′-F, 2′-OCH3, 2′-O(CH2)2OCH3, BNA, F-HNA, 2′-H and 2′-OH. 6. The compound of claim 5, wherein the oligonucleotide comprises at least one non-phosphodiester internucleoside linkage. 7. The compound of claim 6, wherein the non-phosphodiester internucleoside linkage is selected from a group consisting of phosphorothioate, phosphorodithioate, H-phosphonate, alkyl-phosphonate, phosphoramidate internucleoside linkage, and any combinations thereof. 8. The compound of claim 5, wherein the oligonucleotide comprises one or more regions of alternating 2′-F and 2′-OMe modified nucleotides. 9. The compound of claim 5, wherein the oligonucleotide comprises one or more regions of alternating non-phosphodiester internucleoside linkage and phosphodiester internucleoside linkage. 10. The compound of claim 5, wherein the oligonucleotide comprises one or more alternating regions of (2′-F)-(PS)-(2′-OMe)-(PO). 11. The compound of claim 5, wherein the oligonucleotide comprises at least one ligand conjugate. 12. The compound of claim 5, wherein the oligonucleotide is double stranded comprising a first strand and a second strand. 13. The compound of claim 5, wherein the oligonucleotide is single stranded. 14. The compound of claim 13, wherein the single-stranded oligonucleotide is a single-stranded siRNA. 15. The compound of claim 5, wherein the oligonucleotide is an antisense, an antagomir, a microRNA, a pre-microRNA, an antimir, a ribozyme or an aptamer.
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