IP Library Granted Patent US 12,415,828
Granted Patent B2
US 12,415,828 · App. 17/012,948 · Granted Sep 16, 2025

Modified oligonucleotides and methods for their synthesis

Inventors: Dmitry Stetsenko (Hampshire, GB); Maxim Kupryushkin (Kemerovo, RU); Dmitrii Pyshnyi (Novosibirsk, RU)
Assignee: NOOGEN LLC
C07H21/04C07H19/067C07H19/167C07H21/02C12N15/11C12N2310/314C12N2310/315C12N2310/3517C12N2330/30
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Quick Facts
Patent No.
US 12,415,828
App. No.
17/012,948
Granted
Sep 16, 2025
Kind
B2
Abstract

Modified oligonucleotides that contain one or more of the phosphate groups substituted at phosphorus and methods for their synthesis are disclosed.

Claims (20)

1. A compound having the structure of:

wherein:

X is selected from the 5′ end of a nucleoside or oligonucleotide, and

Y is selected from the 3′ end of a nucleoside or oligonucleotide.

2. The compound of claim 1 , wherein X is the 5′ end of an oligonucleotide.

3. The compound of claim 2 , wherein Y is the 3′ end of an oligonucleotide.

4. The compound of claim 1 , wherein the compound comprises phosphorothioate.

5. The compound of claim 1 , wherein the compound comprises a 2′-amino nucleotide, 2′-fluoro nucleotide, 2′-O-methyl nucleotide, 2′-O-β-methoxyethyl nucleotide, or a LNA nucleotide.

6. The compound of claim 2 , wherein Y is the 3′-end of a nucleoside.

7. The compound of claim 1 , wherein X is the 5′-end of a nucleoside.

8. The compound of claim 7 , wherein Y is the 3′-end of an oligonucleotide.

9. The compound of claim 7 , wherein Y is the 3′-end of a nucleoside.

10. The compound of claim 1 , wherein the compound comprises a 2′-amino nucleotide, a 2′-fluoro nucleotide, a 2′-O-methyl nucleotide, a 2′-O-allyl nucleotide, a 2′-O-β-methoxyethyl nucleotide, a LNA nucleotide, or a tricyclo-DNA nucleotide.

11. The compound of claim 1 , wherein the compound comprises a 2′-fluoro nucleotide, a 2′-O-methyl nucleotide, a 2′-O-allyl nucleotide, a 2′-O-β-methoxyethyl nucleotide, or a LNA nucleotide.

12. The compound of claim 1 , wherein the compound comprises a 2′-deoxyribose.

13. The compound of claim 1 , wherein the compound comprises a linkage selected from a natural phosphate, phosphorothioate, phosphorodithioate, boranophosphate, phosphotriester, phosphoramidate, and methylphosphonate.

14. The compound of claim 1 , wherein the compound comprises a linkage selected from a natural phosphate, phosphorothioate, and methylphosphonate.

15. The compound of claim 11 , wherein the compound comprises a linkage selected from a natural phosphate, phosphorothioate, and methylphosphonate.

16. The compound of claim 12 , wherein the compound comprises a linkage selected from a natural phosphate, phosphorothioate, and methylphosphonate.

17. The compound of claim 1 , wherein the oligonucleotide comprises phosphorodiamidate morpholino oligonucleotide or peptidic nucleic acid.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 12, 2025
From: STETSENKO, DMITRY; KUPRYUSHKIN, MAXIM; PYSHNYI, DMITRII
To: NOOGEN LLC
Reel/Frame 071998/0695 →
SECURITY INTEREST Recorded Aug 12, 2025
From: NOOGEN LLC
To: WAVE LIFE SCIENCES LTD.
Reel/Frame 071998/0699 →
LICENSE Recorded Aug 12, 2025
From: NOOGEN LLC
To: WAVE LIFE SCIENCES LTD.
Reel/Frame 071998/0758 →
Priority Claims (1)
RU 2014134380 · Aug 22, 2014 · national
Continuity (2)
Continuation 15329764
Related Publication 20210032283A1 · Feb 4, 2021
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