Phosphoramidate and phosphorothioamidate oligomeric compounds
AssigneeIsis Pharmaceuticals, Inc.
InventorsPhillip D. Cook, Oscar Acevedo, Normand Hebert
Life of this patent
Estimating the term…
Abstract
Compounds are provided having the structure: ##STR1## wherein the L groups are spanner or linker units, the Y and T group are functional groups for interacting with target molecules of interest, the X groups are oxygen or sulfur and the E groups are H, conjugate groups or intermediate groups used during the synthesis of the compounds are prepared using H phosphonate type chemistry wherein the functional groups are added during an oxidization step.
Claims21
A compound of the structure:
- ##STR3## wherein:
- X.sub.0 and each X.sub.m, independently, are O or S;
- Y.sub.0 and each Y.sub.m, independently, are H, or [Q.sub.2 ].sub.j --Z.sub.2 ;
- T.sub.0 and each T.sub.m, independently, are [Q.sub.1 ].sub.k --Z.sub.1, or together Y and T are joined in a nitrogen heterocycle;
- Q.sub.1, Q.sub.2, L.sub.0, L.sub.m+1 and each L.sub.m, independently, are C.sub.2 -C.sub.10 alkyl, C.sub.2 -C.sub.10 alkenyl, C.sub.2 -C.sub.10 alkynyl, C.sub.4 -C.sub.7 carbocylo alkyl or alkenyl, a heterocycle, a polyalkyl glycol, or C.sub.7 -C.sub.14 aralkyl;
- E1 and E2, independently, are H, a hydroxyl protecting group, an activated solid support, a conjugate group, a reporter group, a polyethylene glycol, alkyl, oligonucleotide, peptide nucleic acid, a phosphate, a phosphite, an activated phosphate, or an activated phosphite;
- j and k independently are 0 or 1;
- m is 1 to about 50;
- Z.sub.1 and Z.sub.2, independently, are H, C.sub.1 -C.sub.2 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.2 -C.sub.20 alkynyl, C.sub.6 -C.sub.14 aryl, C.sub.7 -C.sub.15 aralkyl, CH.dbd.O, OR.sub.1, SR.sub.2, NR.sub.3 R.sub.4, C(.dbd.NH)NR.sub.3 R.sub.4, CH(NR.sub.3 R.sub.4), NHC(.dbd.NH)NR.sub.3 R.sub.4, CH(NH.sub.2)C(.dbd.O)OH, C(.dbd.O)NR.sub.3 R.sub.4, C(.dbd.O)OR.sub.5, a metal coordination group, a reporter group, a nitrogen-containing heterocycle, a purine, a pyrimidine, a phosphate group, a polyether group, or a polyethylene glycol group;
- R.sub.1 is H, alkyl having 1 to about 6 carbon atoms, or a hydroxyl protecting group;
- R.sub.2 is H, alkyl having 1 to about 6 carbon atoms, or a thiol protecting group;
- R.sub.3 and R.sub.4 are, independently, H, alkyl having 1 to about 6 carbon atoms, or an amine protecting group;
- and
- R.sub.5 is H, alkyl having 1 to about 6 carbon atoms, or an acid protecting group.
A chimeric oligomeric compound having a first region comprising a phosphodiester or phosphorothioate oligonucleotide and a second region having the structure:
- ##STR6## wherein:
- X.sub.0 and each X.sub.m, independently, are O or S;
- Q.sub.1, Q.sub.2, L.sub.0, L.sub.m+1 and each L.sub.m, independently, are C.sub.2 -C.sub.10 alkyl, C.sub.2 -C.sub.10 alkenyl, C.sub.2 -C.sub.10 alkynyl, C.sub.4 -C.sub.7 carbocylo alkyl or alkenyl, a heterocycle, an ether having 2 to 10 carbon atoms and 1 to 4 oxygen or sulfur atoms, a polyalkyl glycol, or C.sub.7 -C.sub.14 aralkyl;
- Y.sub.0 and each Y.sub.m, independently, are H, or [Q.sub.2 ].sub.j --Z.sub.2 ;
- T.sub.0 and each T.sub.m, independently, are [Q.sub.1 ].sub.k --Z.sub.1, or together Y and T are joined in a nitrogen heterocycle;
- j and k independently are 0 or 1;
- m is 1 to about 50;
- Z.sub.1 and Z.sub.2, independently, are H, C.sub.1 -C.sub.2 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.2 -C.sub.20 alkynyl, C.sub.6 -C.sub.14 aryl, C.sub.7 -C.sub.15 aralkyl, a halogen, CH.dbd.O, OR.sub.1, SR.sub.2, NR.sub.3 R.sub.4, C(.dbd.NH)NR.sub.3 R.sub.4, CH(NR.sub.3 R.sub.4), NHC(.dbd.NH)NR.sub.3 R.sub.4, CH(NH.sub.2)C(.dbd.O)OH, C(.dbd.O)NR.sub.3 R.sub.4, C(.dbd.O)OR.sub.5, a metal coordination group, a reporter group, a nitrogen-containing heterocycle, a purine, a pyrimidine, a phosphate group, a polyether group, or a polyethylene glycol group;
- R.sub.1 is H, alkyl having 1 to about 6 carbon atoms, or a hydroxyl protecting group;
- R.sub.2 is H, alkyl having 1 to about 6 carbon atoms, or a thiol protecting group;
- R.sub.3 and R.sub.4 are, independently, H, alkyl having 1 to about 6 carbon atoms, or an amine protecting group;
- R.sub.5 is H, alkyl having 1 to about 6 carbon atoms, or an acid protecting group;
- and
- where one of E.sub.1 and E.sub.2 comprises said phosphodiester or phosphorothioate oligonucleotide and the other of said E.sub.1 and E.sub.2 is H, a hydroxyl protecting group or a conjugate group.
Dependencies are inferred from the claim text.