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Hydrochloric Acid → 3-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoic acid

HRID 1512943
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HRID 1512943 반응식
[OH-].[Na+].[C:3]([C:5]1[CH:6]=[C:7]([C:15]2[O:19][N:18]=[C:17]([C:20]3[CH:21]=[C:22]4[C:26](=[CH:27][CH:28]=3)[NH:25][C:24]([CH2:29][CH2:30][C:31]([O:33]CC)=[O:32])=[CH:23]4)[N:16]=2)[CH:8]=[CH:9][C:10]=1[O:11][CH:12]([CH3:14])[CH3:13])#[N:4].Cl>C1COCC1.C(O)(C)C.O>[C:3]([C:5]1[CH:6]=[C:7]([C:15]2[O:19][N:18]=[C:17]([C:20]3[CH:21]=[C:22]4[C:26](=[CH:27][CH:28]=3)[NH:25][C:24]([CH2:29][CH2:30][C:31]([OH:33])=[O:32])=[CH:23]4)[N:16]=2)[CH:8]=[CH:9][C:10]=1[O:11][CH:12]([CH3:14])[CH3:13])#[N:4]
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참가 물질

7

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 67025243Ethyl 3-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoate

생성물 1

HCID 445471723-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoic acid수율 9.4%

시약·촉매·용매 3

HCID 962Water
용매
HCID 3776Isopropanol용매
HCID 8028Tetrahydrofuran용매

실험 절차

Sodium hydroxide (61 mg) was added to a solution of ethyl 3-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoate (D114) (68 mg) in THF (5 mL), isopropanol (5 mL) and water (2.5 mL). The reaction mixture was stirred at room temperature overnight. The mixture was neutralized with 2M HCl till pH ˜6.0. The solvent was concentrated, and the residue was dissolved in water. The precipitated solid was purified by Mass Directed Auto Prep to afford 3-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoic acid (E89) (6 mg). δH (DMSO-d6, 400 MHz): 1.38 (6H, d), 2.69 (2H, t), 2.98 (2H, t), 4.97 (1H, m), 6.33 (1H, s), 7.44 (1H, d), 7.55 (1H, d), 7.75 (1H, dd), 8.21 (1H, s), 8.40 (1H, dd), 8.49 (1H, d), 11.34 (1H, s), 12.25 (1H, s); MS (ES): C23H20N4O4 requires 416; found 417.2 (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-8409d14822054b8d936065408f0efc4e
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08217028B2

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