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Methanol → [2-(7-Ethoxy-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetic acid

HRID 1189045
ノート
印刷プレビュー

反応式

HRID 1189045 の反応式
[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([O:24][C:25]2[CH:26]=[N:27][C:28]([S:31]([CH3:34])(=[O:33])=[O:32])=[CH:29][CH:30]=2)[CH:7]=[C:8]2[C:12]=1[NH:11][C:10]([C:13]1[S:14][CH:15]([CH2:18][C:19]([O:21]CC)=[O:20])[CH2:16][N:17]=1)=[CH:9]2)[CH3:2].O1CCCC1.CO.[OH-].[K+]>O>[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([O:24][C:25]2[CH:26]=[N:27][C:28]([S:31]([CH3:34])(=[O:33])=[O:32])=[CH:29][CH:30]=2)[CH:7]=[C:8]2[C:12]=1[NH:11][C:10]([C:13]1[S:14][CH:15]([CH2:18][C:19]([OH:21])=[O:20])[CH2:16][N:17]=1)=[CH:9]2)[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 887MethanolHCID 8028TetrahydrofuranHCID 14797Potassium HydroxideHCID 58237074Ethyl [2-(7-ethoxy-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetate

生成物 1

HCID 58237023[2-(7-Ethoxy-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetic acid収率 90%

試薬・触媒・溶媒

1
HCID 962Water溶媒

実験手順

To a mixture of ethyl [2-(7-ethoxy-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetate (0.22 g), tetrahydrofuran (10 mL) and methanol (10 mL) was added a solution of potassium hydroxide (85%, 0.10 g) in water (5 mL). The mixture was stirred at room temperature for 15 h and then partitioned between ethyl acetate and aqueous citric acid solution. The organic layer was washed with brine, dried (MgSO4), filtered, and concentrated to give a light yellow amorphous solid, which was crystallized from ethyl acetate-hexane to give the title compound (186 mg, 90%) as light yellow crystals. MS 476 (MH+). mp 208-210° C.

後処理

  1. custompartitioned between ethyl acetate and aqueous citric acid solution
  2. washThe organic layer was washed with brine
  3. dry with materialdried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customto give a light yellow amorphous solid, which
  7. customwas crystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-a1f55aa0ffee437c99efeefabb30cd4b
出典データセット
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08673942B2

反応ノート

読み込み中…

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