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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 2229042
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HRID 2229042 반응식
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
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참가 물질

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반응물 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

생성물 1

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

시약·촉매·용매 2

HCID 887Methanol용매HCID 8028Tetrahydrofuran
용매

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온도
55 °C

실험 절차

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).

후처리

  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

출처 및 근거

ORD 기록
ord-569e42b82f5a411e82d7d454118fd646
출처 데이터셋
uspto-grants-2002_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06417212B1

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