COMPOSITIONS AND METHODS FOR IMPROVING STRAND BIASED
One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. Other aspects of the invention relate to pharmaceutical compositions comprising these dsRNA molecules suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA molecules, e.g., for the treatment of various disease conditions.
1 . A compound of the formula,
wherein:
(i) R 3 is
(t-butyldimethylsilyl), and B is
wherein B is benzoyl; or
(ii) R 3 is H or
and B is
wherein Bz benzoyl.
2 . The compound of claim 1 , wherein the compound is selected from the group consisting of
wherein Bz benzoyl.
3 . The compound of claim 2 that is
4 . The compound of claim 2 that is
5 . The compound of claim 2 that is
wherein Bz benzoyl.
6 . The compound of claim 2 that is
7 . The compound of claim 1 , wherein the compound is selected from the group consisting of:
wherein Bz is benzoyl,
8 . The compound of claim 7 that is OH
9 . The compound of claim 7 that is
10 . The compound of claim 7 that is
wherein Bz is benzoyl.
11 . The compound of claim 7 that is
12 . The compound of claim 1 , wherein the compound is selected from the group consisting of:
13 . The compound of claim 12 that is
14 . The compound of claim 12 that is
15 . The compound of claim 12 that is
wherein Bz is benzoyl.
16 . The compound of claim 12 that is
17 . A Compound of structure:
wherein:
(i) R 3 is
and B is
or
(ii) R 3 is H or
and B is
18 . The compound of claim 17 , wherein the compound is selected from the group consisting of:
19 . The compound of claim 18 that is
20 . The compound of claim 18 that is
21 . The compound of claim 18 that is
22 . The compound of claim 17 , wherein the compound is selected from the group consisting of:
23 . The compound of claim 22 that is
24 . The compound of claim 22 that is.
25 . The compound of claim 17 , wherein the compound is selected from the group consisting of:
26 . The compound of claim 25 that is
27 . The compound of claim 25 that is