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Sodium Hydroxide → 2-{2-Benzyl-4-[2-(2-Biphenyl-4-yl-5-Methyloxazol-4-yl)-Ethoxy]-Phenoxy}-2-Methyl-Propionic Acid

HRID 398172
ノート
印刷プレビュー

反応式

HRID 398172 の反応式
C([O:3][C:4](=[O:43])[C:5]([O:8][C:9]1[CH:14]=[CH:13][C:12]([O:15][CH2:16][CH2:17][C:18]2[N:19]=[C:20]([C:24]3[CH:29]=[CH:28][C:27]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=4)=[CH:26][CH:25]=3)[O:21][C:22]=2[CH3:23])=[CH:11][C:10]=1[CH2:36][CH:37]1[CH2:42][CH2:41][CH2:40][CH2:39][CH2:38]1)([CH3:7])[CH3:6])C.[OH-].[Na+]>C1COCC1.CO>[CH2:36]([C:10]1[CH:11]=[C:12]([O:15][CH2:16][CH2:17][C:18]2[N:19]=[C:20]([C:24]3[CH:25]=[CH:26][C:27]([C:30]4[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=4)=[CH:28][CH:29]=3)[O:21][C:22]=2[CH3:23])[CH:13]=[CH:14][C:9]=1[O:8][C:5]([CH3:7])([CH3:6])[C:4]([OH:43])=[O:3])[C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1
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

5

反応物 2

HCID 14798Sodium HydroxideHCID 129668392-{4-[2-(2-Biphenyl-4-yl-5-methyloxazol-4-yl)-ethoxy]-2-cyclohexylmethyl-phenoxy}-2-methyl-propionic acid ethyl ester

生成物 1

HCID 226334312-{2-Benzyl-4-[2-(2-Biphenyl-4-yl-5-Methyloxazol-4-yl)-Ethoxy]-Phenoxy}-2-Methyl-Propionic Acid

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 8028Tetrahydrofuran
溶媒

反応条件

温度
55 °C

実験手順

A solution of 2-{4-[2-(2-biphenyl-4-yl-5-methyloxazol-4-yl)-ethoxy]-2-cyclohexylmethyl-phenoxy}-2-methyl-propionic acid ethyl ester (2.30 mmol) in THF (15 mL) and methanol (30 mL) was treated with 2.5N aqueous NaOH (10 mL). The solution was heated at 55° C. for 2 h, cooled to ambient temperature, and concentrated in vacuo. The residue was acidified with 5N aqueous HCl (5 mL) and partitioned between ethyl acetate (125 mL) and H2O (25 mL). The organic layer was washed with brine (50 mL), dried (Na2SO4), and concentrated to a give 2-{2-benzyl-4-[2-(2-biphenyl-4-yl-5-methyloxazol-4-yl)-ethoxy]-phenoxy}-2-methyl-propionic acid. 1H NMR (400 MHz, CDCl3) δ8.03-8.05 (m, 2H), 7.68 (d, 2H, J=8.3 Hz), 7.62 (d, 2H, J=6.8 Hz), 7.46 (t, 2H, J=7.3 Hz), 7.30-7.38 (m, 1H), 7.23-7.27 (m, 2H), 7.18 (d, 1H, J=7.3 Hz), 7.14 (d, 2H, J=8.3 Hz), 6.78 (d, 1H, J=9.3 Hz), 6.70 (d, 1H, J=2.9 Hz), 6.66 (dd, 1H, J=8.8 Hz, J=2.9 Hz), 4.16 (t, 2H, J=6.4 Hz), 3.92 (s, 2H), 3.00 (t, 2H, J=6.4 Hz), 2.38 (s, 3H), 1.45 (s, 6H), MS (ES) m/e 554.2 (M+1).

後処理

  1. temperaturecooled to ambient temperature
  2. concentrationconcentrated in vacuo
  3. custompartitioned between ethyl acetate (125 mL) and H2O (25 mL)
  4. washThe organic layer was washed with brine (50 mL)
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated to a give 2-{2-benzyl-4-[2-(2-biphenyl-4-yl-5-methyloxazol-4-yl)-ethoxy]-phenoxy}-2-methyl-propionic acid

出典と根拠

ORDレコード
ord-ce543af2c2694af2af3c3cd07083e749
出典データセット
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06610696B2

反応ノート

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