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Lithium Hydroxide → 3-(4-{4-[2-Dimethylcarbamoyl-2-(toluene-4-sulfonylamino)-ethyl]-phenoxy}-phenyl)-propionic acid

HRID 748997
ノート
印刷プレビュー

反応式

HRID 748997 の反応式
C[O:2][C:3](=[O:37])[CH2:4][CH2:5][C:6]1[CH:11]=[CH:10][C:9]([O:12][C:13]2[CH:18]=[CH:17][C:16]([CH2:19][CH:20]([C:32](=[O:36])[N:33]([CH3:35])[CH3:34])[NH:21][S:22]([C:25]3[CH:30]=[CH:29][C:28]([CH3:31])=[CH:27][CH:26]=3)(=[O:24])=[O:23])=[CH:15][CH:14]=2)=[CH:8][CH:7]=1.[OH-].[Li+]>C1COCC1.O>[CH3:35][N:33]([CH3:34])[C:32]([CH:20]([NH:21][S:22]([C:25]1[CH:30]=[CH:29][C:28]([CH3:31])=[CH:27][CH:26]=1)(=[O:23])=[O:24])[CH2:19][C:16]1[CH:15]=[CH:14][C:13]([O:12][C:9]2[CH:8]=[CH:7][C:6]([CH2:5][CH2:4][C:3]([OH:37])=[O:2])=[CH:11][CH:10]=2)=[CH:18][CH:17]=1)=[O:36]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 3939Lithium HydroxideHCID 691137573-(4-{4-[2-Dimethylcarbamoyl-2-(toluene-4-sulfonylamino)-ethyl]-phenoxy}-phenyl)-propionic acid methyl ester

生成物 1

HCID 159825783-(4-{4-[2-Dimethylcarbamoyl-2-(toluene-4-sulfonylamino)-ethyl]-phenoxy}-phenyl)-propionic acid収率 102.5%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028
Tetrahydrofuran
溶媒

実験手順

The sulfonamide compound 24 (0.9 g, 1.72 mmol) was dissolved in THF (10 mL) and diluted with water (10 mL). Lithium hydroxide (0.16, 6.86 mmol) was added and the reaction mixture was stirred at room temperature for about 2 h. The THF was evaporated and the resulting aqueous layer was acidified with 2.0 M HCl and extracted into EtOAc (2×25 mL). The organic layer was washed with water (1×25 mL) and brine (1×25 mL), dried and concentrated to yield the desired acid compound 25 (0.9 g, quantitative). 1H NMR (400 MHz, DMSO-d6): 12.2 (br, 1H), 8.05 (d, J=9.2 Hz, 1H), 7.54 (d, J=8.4 Hz, 2H), 7.29 (d, J=7.6 Hz, 2H), 7.22 (d, J=8.8 Hz, 2H), 7.10 (d, J=8.8 Hz, 2H), 6.88 (d, J=8.4 Hz, 2H), 6.82 (d, J=8.8 Hz, 2H), 4.28 (m, 1H), 2.75-2.81 (m, 3H), 2.69 (s, 3H), 2.60 (dd, J=13.2 and 7.6 Hz, 1H), 2.52 (t, J=8.0 Hz, 2H), 2.35 (s, 3H). LCMS (m/e): Obsd. 526, Calcd. 525.62

後処理

  1. customThe THF was evaporated
  2. extractionextracted into EtOAc (2×25 mL)
  3. washThe organic layer was washed with water (1×25 mL) and brine (1×25 mL)
  4. customdried
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-061ceede249c45fab48e3f13fa0166b5
出典データセット
uspto-grants-2008_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07399786B2

反応ノート

読み込み中…

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