IP Library › Granted Patent US 12,060,368
Granted Patent B2
US 12,060,368 · App. 17/270,588 · Granted Aug 13, 2024

Selenophenochromene hydroxamic acids, preparation and use as angiogenesis inhibitors

Inventors: Pavels Arsenjans (Riga, LV); Jelena Vasiljeva (Riga, LV); Ilona Domraceva (Riga, LV)
Assignee: Latvian Institute of Organic Synthesis
C07D517/04A61P35/00
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Quick Facts
Patent No.
US 12,060,368
App. No.
17/270,588
Granted
Aug 13, 2024
Kind
B2
Abstract

The present invention relates to a novel selenophenochromene hydroxamic acids as angiogenesis inhibitors, as well as methods of their manufacturing and use in different pharmaceutical compositions for the treatment or prevention of various diseases and disorders by administration of such substances.

Claims (44)

1. A compound selected from the group consisting of those of Formula I:

optical isomers thereof, polymorphs thereof, pharmaceutically acceptable acid addition salts thereof, and hydrates and solvates thereof,

wherein

R 1 represents a halogen atom; and

R 2 represents C 1-4 -alkyl N-containing heterocyclyl.

2. The compound according to claim 1 , wherein the compound is selected from the group consisting of:

7-Bromo-N-hydroxy-8-((4-methylpiperazin-1-yl)methyl)-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxamide;

7-Bromo-N-hydroxy-2-oxo-8-((piperazin-1-yl)methyl)-2H-selenopheno[3,2-h]chromene-3-carboxamide;

7-Bromo-N-hydroxy-2-oxo-8-(2-(piperazin-1-yl)ethyl)-2H-selenopheno[3,2-h]chromene-3-carboxamide;

8-((1,4-Diazepan-1-yl)methyl)-7-bromo-N-hydroxy-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxamide;

and pharmaceutically acceptable enantiomers, diastereomers, racemates, and salts thereof.

3. The compound according to claim 1 , wherein the compound has the structure:

4. A process for the synthesis of a compound of Formula I:

wherein:

R 1 represents Br;

R 2 represents C 1-4 -alkyl N-containing heterocyclyl;

comprising:

(1) reacting compound 1-4:

in which R is R 2 , with O-(tetrahydro-2H-pyran-2-yl)hydroxylamine, 1-hydroxybenzotriazole and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride to obtain intermediate 5-8:

and

(2) reacting intermediate 5-8 with hydrogen chloride to obtain the compound of Formula reaction of a compound of intermediate 5-8.

5. The compound of claim 1 , wherein R 1 is F, Cl, Br, or I.

6. The compound of claim 5 , wherein R 1 is Br.

7. The compound of claim 6 , wherein R 2 is C 1-4 -alkyl N-containing heterocyclyl, in which the N-heterocyclyl group comprises two nitrogen atoms and is optionally substituted by methyl.

8. The compound of claim 7 , wherein R 2 is C 1-4 -alkyl-piperazinyl or C 1-4 -alkyl-diazepanyl, in which the piperazinyl group is optionally substituted by methyl.

9. The compound of claim 8 , wherein R 2 is (methylpiperazinyl)methyl, piperazinylmethyl, piperazinylethyl, or diazepanylmethyl.

10. The process of claim 4 , wherein R 2 is C 1-4 -alkyl N-containing heterocyclyl, in which the N-heterocyclyl group comprises two nitrogen atoms and is optionally substituted by methyl.

11. The process of claim 10 , wherein R 2 is C 1-4 -alkyl-piperazinyl or C 1-4 -alkyl-diazepanyl, in which the piperazinyl group is optionally substituted by methyl.

12. The process of claim 11 , wherein R 2 is (methylpiperazinyl)methyl, piperazinylmethyl, piperazinylethyl, or diazepanylmethyl.

13. A method of treating a disease, comprising administering to a patient in need thereof a therapeutically effective amount of the compound of claim 1 , wherein the disease is atheroma, arthritis, cancer, or tissue ulceration.

14. The method of claim 13 , wherein R 1 is F, Cl, Br, or I.

15. The method of claim 14 , wherein R 1 is Br.

16. The method of claim 15 , wherein R 2 is C 1-4 -alkyl N-containing heterocyclyl, in which the N-heterocyclyl group comprises two nitrogen atoms and is optionally substituted by methyl.

17. The method of claim 16 , wherein R 2 is C 1-4 -alkyl-piperazinyl or C 1-4 -alkyl-diazepanyl, in which the piperazinyl group is optionally substituted by methyl.

18. The method of claim 17 , wherein R 2 is (methylpiperazinyl)methyl, piperazinylmethyl, piperazinylethyl, or diazepanylmethyl.

19. The method of claim 13 , wherein the compound is selected from the group consisting of:

7-Bromo-N-hydroxy-8-((4-methylpiperazin-1-yl)methyl)-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxamide;

7-Bromo-N-hydroxy-2-oxo-8-((piperazin-1-yl)methyl)-2H-selenopheno[3,2-h]chromene-3-carboxamide;

7-Bromo-N-hydroxy-2-oxo-8-(2-(piperazin-1-yl)ethyl)-2H-selenopheno[3,2-h]chromene-3-carboxamide;

8-((1,4-Diazepan-1-yl)methyl)-7-bromo-N-hydroxy-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxamide;

and pharmaceutically acceptable enantiomers, diastereomers, racemates, and salts thereof.

20. The method of claim 13 , wherein the compound has the structure:

21. A method of inhibiting angiogenesis, comprising administering to a patient in need thereof a therapeutically effective amount of the compound of claim 1 .

22. A method of inhibiting MMP in a cell, comprising contacting the cell with an effective amount of the compound of claim 1 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2026
From: LATVIAN INSTITUTE OF ORGANIC SYNTHESIS
To: NATIONAL INSTITUTE OF RESEARCH AND INNOVATION
Reel/Frame 075708/0308 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 26, 2021
From: ARSENJANS, PAVELS; VASILJEVA, JELENA; DOMRACEVA, ILONA
To: LATVIAN INSTITUTE OF ORGANIC SYNTHESIS
Reel/Frame 055437/0693 →
Priority Claims (1)
LV P-18-72 · Sep 13, 2018 · national
Continuity (1)
Related Publication 20210403486A1 · Dec 30, 2021