Setomagpran

CAS 2991434-57-0

MF C22H19Cl2F6N5O MW 554.316

3-chloro-N-[(1R,3S)-3-{[6-chloro-2-(trifluoromethyl)quinolin-4-yl]amino}cyclohexyl]-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide

1H-Pyrazole-4-carboxamide, 3-chloro-N-[(1R,3S)-3-[[6-chloro-2-(trifluoromethyl)-4-quinolinyl]amino]cyclohexyl]-1-(2,2,2-trifluoroethyl)-

3-chloro-N-[(1R,3S)-3-{[6-chloro-2-(trifluoromethyl)quinolin-4-yl]amino}cyclohexyl]-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide
Mas-related G protein-coupled receptor antagonist, anti-inflammatory, MYX4KT647F

Setomagpran is a synthetic, small-molecule antagonist of the Mas-related G protein-coupled receptor X2 (MRGPRX2).

Because it blocks this specific receptor, it exhibits notable anti-inflammatory activity. The compound is primarily utilized as a reference standard and biochemical reagent in laboratory research settings

Setomagpran is the antagonist for mas-related G protein-coupled receptor (MRGPR), and exhibits anti-inflammatory activity.

Pat

https://patentscope.wipo.int/search/en/detail.jsf;jsessionid=D6A76F8C817A36064EC940AFD0940B3B.wapp1nA?docId=US447185480&_cid=P10-MU0M8Q-83999-1

Example 30

Synthesis of Example 30

Synthesis of 3-chloro-N-((1R,3S)-3-((6-chloro-2-(trifluoromethyl)quinolin-4-yl)amino) cyclohexyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide

To a stirring solution of ethyl 3-chloro-1H-pyrazole-4-carboxylate (200 mg, 1 Eq, 1.15 mmol) in DMF (5 mL) at room temperature was added cesium carbonate (1.12 g, 3 Eq, 3.44 mmol) portionwise over 2 minutes. After stirring for 30 minutes, 22,2-Trifluoroetiyl tiifluoromethanesuilfonate (798 mg, 3 Eq, 3.44 mmol) was added dropwise over 2 minutes. The reaction mixture was stirred for 14 h. Water (5 mL) was added and the mixture was extracted with EtOAc (3×5 mL), dried over sodium sulfate, filtered through Celite, and concentrated in vacuo to afford an 87:13 mixture of ethyl 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate and ethyl 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate that was used without further purification.

To a stirring solution of the crude ethyl 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate mixture (294 mg, 1 Eq, 1.15 mmol) in THF (6 mL) was added an aqueous solution of 1M sodium hydroxide (5.7 mL, Eq, 5.73 mmol). The reaction mixture was heated at 50° C. for 14 h. 10 mL of 3 M HCl was added. The aqueous layer was extracted with EtOAc (3×10 mL), dried over sodium sulfate, filtered through Celite, and concentrated in vacuo to afford a mixture of 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (276 mg, 1.21 mmol, 105%) that was used without further purification.

To a stirring solution of (1S,3R)-N1-(6-chloro-2-(trifluoromethyl)quinolin-4-yl)cyclohexane-1,3-diamine hydrochloride (100 mg, 1 Eq, 0.264 mmol) in DMF (1.5 mL) were added a crude mixture of 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (60 mg, 1 Eq, 0.264 mmol), N-ethyl-N-isopropylpropan-2-amine ( DIPEA) (0.138 mL, 3 Eq, 0.793 mmol) and HATU (111 mg, 1.1 Eq, 0.291 mmol). The reaction mixture was stirred at room temperature for 2 h. Purification by reversed phase HPLC (35□55% 0.1% formic acid in MeCN and 0.1% formic acid in H 2O) afforded 3-chloro-N-((1R,3S)-3-((6-chloro-2-(trifluoromethyl)quinolin-4-yl)amino)cyclohexyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide (69 mg, 47% yield).

LCMS-ESI (m/z) calculated: 553.09 found 553.8 [M+H] +, RT=10.114 min (Method 1)

1H NMR (400 MHz, DMSO-d6) δ 8.60 (d, J=10.9 Hz, 1H), 8.35 (s, 1H), 8.06 (d, J=7.9 Hz, 1H), 7.90 (d, J=9.0 Hz, 1H), 7.74 (dd, J=9.0, 2.3 Hz, 1H), 7.48 (d, J=7.9 Hz, 1H), 5.21 (q, J=9.0 Hz, 1H), 4.01-3.83 (m, 2H), 2.17 (d, J=12.0 Hz, 1H), 2.00-1.78 (m, 3H), 1.61-1.21 (m, 4H).

Pat

WO 2022/067094 A1 (US20220098155)

https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2022067094&_cid=P10-MTZI7E-88068-1

PAT

WO 2023/192901 A1

https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2023192901&_cid=P10-MTZIR9-08517-1

EXAMPLE 30

Synthesis of 3-chloro-N-((1R,3S)-3-((6-chloro-2-(trifluoromethyl)quinolin-4-yl)amino) cyclohexyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide

To a stirring solution of ethyl 3-chloro-1H-pyrazole-4-carboxylate (200 mg, 1 Eq, 1.15 mmol) in DMF (5 mL) at room temperature was added cesium carbonate (1.12 g, 3 Eq, 3.44 mmol) portionwise over 2 minutes. After stirring for 30 minutes, 2,2,2- Trifluoroethyl trifluoromethanesulfonate (798 mg, 3 Eq, 3.44 mmol) was added dropwise over 2 minutes. The reaction mixture was stirred for 14 h. Water (5 mL) was added and the mixture wasextracted with EtOAc (3 x 5 mL), dried over sodium sulfate, filtered through Celite, and concentrated in vacuo to afford an 87:13 mixture of ethyl 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate and ethyl 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate that was used without further purification.

To a stirring solution of the crude ethyl 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylate mixture (294 mg, 1 Eq, 1.15 mmol) in THF (6 mL) was added an aqueous solution of 1M sodium hydroxide (5.7 mL, 5 Eq, 5.73 mmol). The reaction mixture was heated at 50 °C for 14 h. 10 mL of 3 M HCl was added. The aqueous layer was extracted with EtOAc (3 x 10 mL), dried over sodium sulfate, filtered through Celite, and concentrated in vacuo to afford a mixture of 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (276 mg, 1.21 mmol, 105 %) that was used without further purification.

To a stirring solution of (1S,3R)-N1-(6-chloro-2-(trifluoromethyl)quinolin-4-yl)cyclohexane-1,3-diamine hydrochloride (100 mg, 1 Eq, 0.264 mmol) in DMF (1.5 mL) were added a crude mixture of 3-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid and 5-chloro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (60 mg, 1 Eq, 0.264 mmol), N-ethyl-N-isopropylpropan-2-amine (DIPEA) (0.138 mL, 3 Eq, 0.793 mmol) and HATU (111 mg, 1.1 Eq, 0.291 mmol). The reaction mixture was stirred at room temperature for 2 h. Purification by reversed phase HPLC (35 55% 0.1% formic acid in MeCN and 0.1% formic acid in H₂O) afforded 3-chloro-N-((1R,3S)-3-((6-chloro-2-(trifluoromethyl)quinolin-4-yl)amino)cyclohexyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxamide (69 mg, 47% yield).

LCMS-ESI (m/z) calculated: 553.09 found 553.8 [M+H]⁺, RT = 10.114 min (Method 1)

¹H NMR (400 MHz, DMSO-d6) δ 8.60 (d, J = 10.9 Hz, 1H), 8.35 (s, 1H), 8.06 (d, J = 7.9 Hz, 1H), 7.90 (d, J = 9.0 Hz, 1H), 7.74 (dd, J = 9.0, 2.3 Hz, 1H), 7.48 (d, J = 7.9 Hz, 1H), 5.21 (q, J = 9.0 Hz, 1H), 4.01-3.83 (m, 2H), 2.17 (d, J = 12.0 Hz, 1H), 2.00-1.78 (m, 3H), 1.61-1.21 (m, 4H).

PAT

WO 2021/092240 A1

PAT

WO 2025/222040 A1

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References

• Modulators of mas-related g-protein receptor x2 and related products and methodsPublication Number:US-2024124416-A1Priority Date:2022-03-30
• Modulators of mas-related g-protein receptor x2 and related products and methodsPublication Number:US-2024059667-A1Priority Date:2022-03-30
• Modulators of mas-related g-protein receptor x2 and related products and methodsPublication Number:US-2024124414-A1Priority Date:2022-03-30
• Quinoline derivatives as modulators of mas-related g-protein receptor x2 and related productsPublication Number:WO-2023192901-A1Priority Date:2022-03-30
• Modulators of mas-related g-protein receptor x2 and related products and methodsPublication Number:US-2024124415-A1Priority Date:2022-03-30
• Modulators of Mas-related G-protein receptor X2 and related products and methodsPublication Number:US-12129243-B2Priority Date:2022-03-30Grant Date:2024-10-29
• Quinoline derivatives as modulators of mas-related g-protein receptor x2 and related productsPublication Number:WO-2023192901-A9Priority Date:2022-03-30
• Modulators of Mas-related G-protein receptor X2 and related products and methodsPublication Number:US-12129244-B2Priority Date:2022-03-30Grant Date:2024-10-29
• Modulators of mas-related g-protein receptor x2 and related products and methodsPublication Number:US-2025026735-A1Priority Date:2022-03-30
• Quinoline derivatives as modulators of mas-related g-protein receptor x2 and related productsPublication Number:EP-4499632-A1Priority Date:2022-03-30

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