IP Library › Granted Patent US 9,174,998

Granted Patent B2

US 9,174,998 · App. 14/577,660 · Granted Nov 3, 2015

(6S,9aS)-N-benzyl-6-[(4-hydroxyphenyl)methyl]-4,7-dioxo-8-({6-[3-(piperazin-1-yl)azetidin-1-yl]pyridin-2-yl}methyl)-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide compound

Inventors: Satoshi Inoue (Tsukuba, JP); Yuji Yamamoto (Tsukuba, JP); Kentaro Iso (Tsukuba, JP)

Assignees: Eisai R&D Management Co., Ltd.; PRISM Pharma Co., Ltd.

C07D487/04 A61K31/53 C07F9/09

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Quick Facts

Patent No.: US 9,174,998
App. No.: 14/577,660
Granted: Nov 3, 2015
Kind: B2

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Abstract

A compound represented by formula (1) or pharmaceutically acceptable salt thereof: wherein R 1 is a C 1-6 alkyl group; R 2 and R 3 are the same or different from each other and each is a hydrogen atom or a C 1-6 alkyl group; X 2 , X 3 and X 4 are the same or different from each other and each is a hydrogen atom or a halogen atom; and X 5 is a hydrogen atom or —P(═O)(OH) 2 has a Wnt Pathway modulating activity.

Claims (61)

1. A compound represented by formula (1) or pharmaceutically acceptable salt thereof:

wherein R 1 is a C 1-6 alkyl group; R 2 and R 3 are the same or different from each other and each is a hydrogen atom or a C 1-6 alkyl group; X 2 , X 3 and X 4 are the same or different from each other and each is a hydrogen atom or a halogen atom; and X 5 is a hydrogen atom or —P(═O)(OH) 2 .

2. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein R is a methyl group, an ethyl group or an isopropyl group.

3. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein R 2 and R 3 are the same or different from each other and each is a hydrogen atom or a methyl group.

4. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein X 2 is a hydrogen atom or a fluorine atom.

5. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein X 3 is a hydrogen atom or a fluorine atom.

6. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein X 4 is a hydrogen atom or a fluorine atom.

7. A compound or pharmaceutically acceptable salt thereof selected from:

(6S,9aS)-N-benzyl-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2-fluoro-4-hydroxyphenyl)methyl)-8-((6-(3-(4-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-((3-((3S)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((3R)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((2S)-2,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)-5-fluoropyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((5-fluoro-6-(3-(4-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-8-((6-(3-(4-(propan-2-yl)piperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2-fluoro-4-hydroxyphenyl)methyl)-8-((5-fluoro-6-(3-(4-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-8-((6-(3-(4-(propan-2-yl)piperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-8-((6-(3-(4-(propan-2-yl)piperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-(4-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((2S)-2,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-((3S)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-((2S)-2,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((3S)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-3-((3R)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((3S)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((3R)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-((3S)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-6-((2,6-difluoro-4-hydroxyphenyl)methyl)-8-((6-(3-((3R)-4-ethyl-3-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

(6S,9aS)-N-benzyl-8-((6-(3-((3R)-3,4-dimethylpiperazin-1-yl)azetidine-1-yl)-5-fluoropyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

4-(((6S,9aS)-1-(benzylcarbamoyl)-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)-3-fluorophenyl dihydrogen phosphate, and,

4-(((6S,9aS)-1-(benzylcarbamoyl)-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)phenyl dihydrogen phosphate.

8. A compound or pharmaceutically acceptable salt thereof selected from:

(6S,9aS)-N-benzyl-8-((6-(3-((3S)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide,

9. (6S,9aS)-N-Benzyl-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

10. (6S,9aS)-N-Benzyl-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

11. (6S,9aS)-N-Benzyl-6-((2-fluoro-4-hydroxyphenyl)methyl)-8-((6-(3-(4-methylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

12. (6S,9aS)-N-Benzyl-8-((6-(3-((3S)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

13. (6S,9aS)-N-Benzyl-8-((6-(3-((3R)-3,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((2-fluoro-4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en 1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

14. (6S,9aS)-N-Benzyl-8-((6-(3-((2S)-2,4-dimethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-6-((4-hydroxyphenyl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazine-1-carboxamide or a pharmaceutically acceptable salt thereof:

15. 4-(((6S,9aS)-1-(Benzylcarbamoyl)-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl)-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)-3-fluorophenyl dihydrogen phosphate or a pharmaceutically acceptable salt thereof:

16. 4-(((6S,9aS)-1-(Benzylcarbamoyl)-8-((6-(3-(4-ethylpiperazin-1-yl)azetidin-1-yl)pyridin-2-yl)methyl-4,7-dioxo-2-(prop-2-en-1-yl)-octahydro-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)phenyl dihydrogen phosphate or a pharmaceutically acceptable salt thereof:

17. A pharmaceutical composition comprising the compound or pharmaceutically acceptable salt thereof according to any one of claims 1 to 16 .

Assignments (1)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2015

From: INOUE, SATOSHI; YAMAMOTO, YUJI; ISO, KENTARO

To: EISAI R&D MANAGEMENT CO., LTD.; PRISM PHARMA CO., LTD.

Reel/Frame 035072/0111 →

Priority Claims (1)

JP P2013-267687 · Dec 25, 2013 · national

Continuity (1)

Related Publication 20150175615A1 · Jun 25, 2015