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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
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HRID 1512933 반응식
[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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참가 물질

5

반응물 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

생성물 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 acid수율 58.3%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

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온도
20 °C

실험 절차

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+).

후처리

  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

출처 및 근거

ORD 기록
ord-64220aee35a44032815cb446cc7fe61d
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08217028B2

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