Lithium Hydroxide → 3-{4-[4-(2-Tert-butoxycarbonylamino-2-dimethylcarbamoyl-ethyl)-phenoxy]-phenyl}-propionic acid

HRID 748978ノート

反応式

HRID 748978 の反応式
C[O:2][C:3](=[O:34])[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]([NH:26][C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[C:21](=[O:25])[N:22]([CH3:24])[CH3:23])=[CH:15][CH:14]=2)=[CH:8][CH:7]=1.[OH-].[Li+]>C1COCC1.O>[C:30]([O:29][C:27]([NH:26][CH:20]([C:21](=[O:25])[N:22]([CH3:24])[CH3:23])[CH2:19][C:16]1[CH:17]=[CH:18][C:13]([O:12][C:9]2[CH:10]=[CH:11][C:6]([CH2:5][CH2:4][C:3]([OH:34])=[O:2])=[CH:7][CH:8]=2)=[CH:14][CH:15]=1)=[O:28])([CH3:32])([CH3:31])[CH3:33]

参加物

5

反応物 2

HCID 3939Lithium HydroxideHCID 59762818HCID 59762818、化合物

生成物 1

HCID 597628113-{4-[4-(2-Tert-butoxycarbonylamino-2-dimethylcarbamoyl-ethyl)-phenoxy]-phenyl}-propionic acid収率 103.1%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

Amide 5 (8.4 g, 17.0 mmol) was dissolved in THF (60 mL) and diluted with water (60 mL). Lithium hydroxide (1.66 g, 69.0 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 (2×100 mL). The organic layer was washed with water (1×100 mL) and brine (1×100 mL), dried and concentrated to yield the desired acid compound 6 (8.0 g, 97%). 1H NMR (400 MHz, DMSO-d6): 12.15 (br, 1H), 7.22 (overlapped d, J=8.4 Hz, 4H), 7.06 (d, J=8.4 Hz, 1H), 6.88 (d, J=8.4 Hz, 2H), 6.86 (d, J=8.4 Hz, 2H), 4.53 (m, 1H), 2.91 (s, 3H), 2.73-2.83) (m, 9H), 1.31 (s, 9H).

後処理

  1. customThe THF was evaporated
  2. extractionextracted into EtOAc (2×100 mL)
  3. washThe organic layer was washed with water (1×100 mL) and brine (1×100 mL)
  4. customdried
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-4da061695679419fb2d8ea42faa8ea43
出典データセット
uspto-grants-2008_07
特許番号
US07399786B2

反応ノート

読み込み中…