Patent ID: 7202264

Claim:
A compound of formula (II): wherein: A is independently selected from hydrogen, a blocking group, SM, L-SM, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aliphatic ether, a substituted or unsubstituted aromatic, a substituted or unsubstituted heteroaromatic; or a substituted or unsubstituted heterocyclic; SM is a support medium; L is (C═O)—(CH 2 ) n —(C═O)O—, where n is an integer from 1 to 20; G 1 is independently selected from O, S, (CR 1 R 2 ) h , NR 3 , O—(C═O), or (C═O)—O; each of R 1 and R 2 is independently selected from hydrogen, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic, a substituted or unsubstituted heteroaromatic, or a substituted or unsubstituted heterocyclic; R 3 is independently selected from hydrogen, a blocking group, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic, a substituted or unsubstituted heteroaromatic, or a substituted or unsubstituted hetero cyclic; each of R U , R V , R W , R X , R Y , and R Z is independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl; each of Q and W is independently selected from hydrogen, a blocking group, L, SM, L-SM, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic, substituted or unsubstituted heteroaromatic, a substituted or unsubstituted heterocyclic, a protected or unprotected nucleosidyl moiety, a protected or unprotected nucleosidyl moiety attached through a phospholinker, or a protected or unprotected oligonucleotidyl moiety; each of Y 1 and Y 2 is independently selected from O, S, NR 3 , or CR 1 R 2 ; and h is 1, 2, or 3 wherein at least one of A, Q, and W is SM or L-SM.