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p-Toluenesulfonic acid monohydrate → 3-(4-(3-(3-Chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol

HRID 1172927
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HRID 1172927 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:22]=[CH:21][C:20]([O:23][CH2:24][CH:25]4[CH2:29][O:28]C(C)(C)[O:26]4)=[CH:19][CH:18]=3)[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].O.C1(C)C=CC(S(O)(=O)=O)=CC=1>CO>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:22]=[CH:21][C:20]([O:23][CH2:24][CH:25]([OH:26])[CH2:29][OH:28])=[CH:19][CH:18]=3)[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:10])[CH3:11]
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4

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HCID 521998p-Toluenesulfonic acid monohydrateHCID 595565303-(3-Chloro-4-isopropoxyphenyl)-5-(4-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)phenyl)-1,2,4-oxadiazole

생성물 1

HCID 498307383-(4-(3-(3-Chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol수율 88%

시약·촉매·용매 1

HCID 887Methanol용매2회

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온도
70 °C

실험 절차

3-(3-chloro-4-isopropoxyphenyl)-5-(4-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)phenyl)-1,2,4-oxadiazole (0.1 g, 0.225 mmol) and p-toluenesulfonic acid monohydrate (8.55 mg, 0.045 mmol) were added in methanol (2.4 mL). The reaction mixture was heated at 70° C. for 16 hr. The solution was cooled, methanol (1.5 mL) was added to the mixture and recrystallized, the resulted suspension was filtered, the solid was washed by abundant water to afford 3-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol (0.08 g, 0.198 mmol, 88% yield) as white solid. LC/MS (Purity QC) Rt=2.97 min.; MS m/z: 405.18 (M+H)+. 1H NMR (400 MHz, Solvent d-DMSO) ppm 8.16-8.09 (m, 2H), 8.05 (d, J=2.13 Hz, 1H), 7.99 (dd, J=8.64, 2.15 Hz, 1H), 7.38 (d, J=9.05 Hz, 1H), 7.25-7.16 (m, 2H), 5.03 (d, J=5.19 Hz, 1H), 4.87-4.78 (m, 1H), 4.72 (t, J=5.68 Hz, 1H), 4.15 (dd, J=3.97, 10.01 Hz, 1H), 4.01 (dd, J=6.20, 10.03 Hz, 1H), 3.84 (dt, J=4.04, 5.69, 5.91 Hz, 1H), 3.47 (t, J=5.84 Hz, 2H), 1.35 (d, J=6.03 Hz, 6H).

후처리

  1. temperatureThe solution was cooled
  2. customrecrystallized
  3. filtrationthe resulted suspension was filtered
  4. washthe solid was washed by abundant water

출처 및 근거

ORD 기록
ord-84140e2db22a45a591698e4855c743dc
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07834039B2

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