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

HRID 1512877
ノート
印刷プレビュー

反応式

HRID 1512877 の反応式
[OH-].[Na+].[CH3:3][CH:4]([O:6][C:7]1[N:12]=[CH:11][C:10]([C:13]2[O:17][N:16]=[C:15]([C:18]3[CH:19]=[CH:20][CH:21]=[C:22]4[C:26]=3[NH:25][CH:24]=[C:23]4[CH2:27][CH2:28][C:29]([O:31]CC)=[O:30])[N:14]=2)=[CH:9][C:8]=1[O:34][CH3:35])[CH3:5].Cl>C1COCC1.O>[CH3:5][CH:4]([O:6][C:7]1[N:12]=[CH:11][C:10]([C:13]2[O:17][N:16]=[C:15]([C:18]3[CH:19]=[CH:20][CH:21]=[C:22]4[C:26]=3[NH:25][CH:24]=[C:23]4[CH2:27][CH2:28][C:29]([OH:31])=[O:30])[N:14]=2)=[CH:9][C:8]=1[O:34][CH3:35])[CH3:3]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 59146142Ethyl 3-(7-{5-[6-[(1-methylethyl)oxy]-5-(methyloxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl}-1H-indol-3-yl)propanoate

生成物 1

HCID 445476083-(7-{5-[6-[(1-methylethyl)oxy]-5-(methyloxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl}-1H-indol-3-yl)propanoic acid収率 55.2%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
90 °C

実験手順

Sodium hydroxide (40 mg) was added to a solution of ethyl 3-(7-{5-[6-[(1-methylethyl)oxy]-5-(methyloxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl}-1H-indol-3-yl)propanoate (D38) (280 mg) in THF (3 mL) and water (3 mL). The resulting mixture was heated at 90° C. for 1 hour. Then 0.5 M HCl solution 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-[6-[(1-methylethyl)oxy]-5-(methyloxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl}-1H-indol-3-yl)propanoic acid (E18) (145 mg) as a white solid. δH (DMSO-d6, 400 MHz): 1.36 (6H, d), 2.63 (2H, t), 3.00 (2H, t), 3.96 (3H, s), 5.43 (1H, m), 7.22 (1H, t), 7.27 (1H, d), 7.82 (1H, d), 7.92 (1H, d), 7.95 (1H, d), 8.68 (1H, d), 10.79 (1H, s), 12.10 (1H, br s). MS (ES): C22H22N4O5 requires 422; found 423.2 (M+H+).

後処理

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

出典と根拠

ORDレコード
ord-70ada1b8509c4a9e8744e39cf429d3fb
出典データセット
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08217028B2

反応ノート

読み込み中…

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