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Hydrochloric Acid → ({2-[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]ethyl}oxy)acetic acid

HRID 1512933
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1512933
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[CH:19][CH:20]=[C:21]4[C:25]=3[N:24]([CH3:26])[CH:23]=[C:22]4[CH2:27][CH2:28][O:29][CH2:30][C:31]([O:33]CC)=[O:32])[N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].[OH-].[Na+].Cl>C1COCC1>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[CH:19][CH:20]=[C:21]4[C:25]=3[N:24]([CH3:26])[CH:23]=[C:22]4[CH2:27][CH2:28][O:29][CH2:30][C:31]([OH:33])=[O:32])[N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:10])[CH3:11]
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Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 59146091Ethyl({2-[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]ethyl}oxy)acetate

Produkt 1

HCID 44546859({2-[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]ethyl}oxy)acetic acidAusbeute 58,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Reaktionsbedingungen

Temperatur
20 °C

Versuchsvorschrift

To a solution of ethyl ({2-[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]ethyl}oxy)acetate (D104) (20 mg) in THF (5 mL) was added aqueous NaOH (2 M, 1 mL). The reaction was stirred at 20° C. for 4 h. The mixture was acidified with aqueous HCl (2 M) to pH 4-5. After concentration, the residue was partitioned between ethyl acetate (25 mL) and water (25 mL). The organic phase was washed with brine (25 mL), dried over anhydrous sodium sulphate and evaporated to give the crude product, which was purified by Mass Directed Auto Prep to afford ({2-[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]ethyl}oxy)acetic acid (E79) (11 mg). δH (DMSO-d6, 400 MHz): 1.36 (6H, d), 2.98 (2H, t), 3.63 (3H, s), 3.74 (2H, t), 4.05 (2H, s), 4.89 (1H, m), 7.17 (1H, t), 7.26 (1H, s), 7.44 (2H, m), 7.81 (1H, dd), 8.13 (1H, dd), 8.19 (1H, d), 12.57 (1H, br s). MS (ES): C24H24ClN3O6 requires 469; found 470.2 (M+H+).

Aufarbeitung

  1. concentrationAfter concentration
  2. customthe residue was partitioned between ethyl acetate (25 mL) and water (25 mL)
  3. washThe organic phase was washed with brine (25 mL)
  4. dry with materialdried over anhydrous sodium sulphate
  5. customevaporated
  6. customto give the crude product, which
  7. customwas purified by Mass Directed Auto Prep

Quellen und Nachweise

ORD-Eintrag
ord-64220aee35a44032815cb446cc7fe61d
Quelldatensatz
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08217028B2

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