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Hydrochloric Acid → 3-[7-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-4-fluoro-1H-indol-3-yl]propanoic acid

HRID 1512881
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인쇄 미리보기

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HRID 1512881 반응식
[OH-].[Na+].[Cl:3][C:4]1[CH:5]=[C:6]([C:14]2[O:18][N:17]=[C:16]([C:19]3[CH:20]=[CH:21][C:22]([F:35])=[C:23]4[C:27]=3[NH:26][CH:25]=[C:24]4[CH2:28][CH2:29][C:30]([O:32]CC)=[O:31])[N:15]=2)[CH:7]=[N:8][C:9]=1[O:10][CH:11]([CH3:13])[CH3:12].Cl>C1COCC1.O>[Cl:3][C:4]1[CH:5]=[C:6]([C:14]2[O:18][N:17]=[C:16]([C:19]3[CH:20]=[CH:21][C:22]([F:35])=[C:23]4[C:27]=3[NH:26][CH:25]=[C:24]4[CH2:28][CH2:29][C:30]([OH:32])=[O:31])[N:15]=2)[CH:7]=[N:8][C:9]=1[O:10][CH:11]([CH3:13])[CH3:12]
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참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 58222468Ethyl 3-[7-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-4-fluoro-1H-indol-3-yl]propanoate

생성물 1

HCID 445477603-[7-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-4-fluoro-1H-indol-3-yl]propanoic acid수율 65.6%

시약·촉매·용매 2

HCID 962
Water
용매
HCID 8028Tetrahydrofuran용매

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온도
90 °C

실험 절차

Sodium hydroxide (35 mg) was added to a solution of ethyl 3-[7-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-4-fluoro-1H-indol-3-yl]propanoate (D48) (222 mg) in THF (3 mL) and water (3 mL). The reaction mixture was stirred at 90° C. for 1 hour. Then 0.5 M HCl was added until pH was about 6. The solvent was concentrated, and the residue was dissolved in water. The precipitated solid was purified by Mass Directed Auto Prep to afford 3-[7-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-4-fluoro-1H-indol-3-yl]propanoic acid (E22) (137 mg) as a white solid. δH (DMSO-d6, 400 MHz): 1.40 (6H, d), 2.62 (2H, t), 3.07 (2H, t), 5.46 (1H, m), 6.98 (1H, dd), 7.26 (1H, d), 7.91 (1H, dd), 8.72 (1H, d), 9.04 (1H, d), 11.09 (1H, s), 11.71 (1H, br s). δF (DMSO-d6, 376 MHz): −118.7. MS (ES): C21H18ClFN4O4 requires 444; found 445.1 (M+H+).

후처리

  1. concentrationThe solvent was concentrated
  2. dissolutionthe residue was dissolved in water
  3. customThe precipitated solid was purified by Mass Directed Auto Prep

출처 및 근거

ORD 기록
ord-3a8ea6dfd8f54a26a5cdd3b9aabfa723
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08217028B2

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