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Hydrochloric Acid → (E)-5-(4-((2-(4-fluoro-2-methylphenyl)-6-methoxybenzo[b]thiophen-3-yl)oxy)styryl)-1,3,4-oxadiazol-2(3H)-one

HRID 332864
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HRID 332864 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[S:12][C:11]3[CH:13]=[C:14]([O:17][CH3:18])[CH:15]=[CH:16][C:10]=3[C:9]=2[O:19][C:20]2[CH:25]=[CH:24][C:23](/[CH:26]=[CH:27]/[C:28]([NH:30][NH2:31])=[O:29])=[CH:22][CH:21]=2)=[C:4]([CH3:32])[CH:3]=1.[C:33](N1C=CN=C1)(N1C=CN=C1)=[O:34].Cl>C1COCC1.C(Cl)Cl>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[S:12][C:11]3[CH:13]=[C:14]([O:17][CH3:18])[CH:15]=[CH:16][C:10]=3[C:9]=2[O:19][C:20]2[CH:25]=[CH:24][C:23](/[CH:26]=[CH:27]/[C:28]3[O:29][C:33](=[O:34])[NH:31][N:30]=3)=[CH:22][CH:21]=2)=[C:4]([CH3:32])[CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 682631,1'-CarbonyldiimidazoleHCID 86730649(E)-3-(4-((2-(4-fluoro-2-methylphenyl)-6-methoxybenzo[b]thiophen-3-yl)oxy)phenyl)acrylohydrazide

생성물 1

HCID 86730648(E)-5-(4-((2-(4-fluoro-2-methylphenyl)-6-methoxybenzo[b]thiophen-3-yl)oxy)styryl)-1,3,4-oxadiazol-2(3H)-one수율 77%

시약·촉매·용매 2

HCID 6344
Dichloromethane
용매
HCID 8028Tetrahydrofuran용매

실험 절차

To a 30 mL screw cap vial, (E)-3-(4-((2-(4-fluoro-2-methylphenyl)-6-methoxybenzo[b]thiophen-3-yl)oxy)phenyl)acrylohydrazide (38 mg, 0.085 mmol) was dissolved in THF (2 mL). The vial was charged with 1,1′-carbonyldiimidazole (16.49 mg, 0.102 mmol) and the reaction was stirred at room temperature for 1 h. The reaction mixture was acidified with 6 N HCl which caused a precipitate to form. The mixture was diluted with DCM to dissolve the precipitate. The organic phase was collected (phase separator) and concentrated to afford (E)-5-(4-((2-(4-fluoro-2-methylphenyl)-6-methoxybenzo[b]thiophen-3-yl)oxy)styryl)-1,3,4-oxadiazol-2(3H)-one (31 mg, 0.065 mmol, 77% yield) as an off white solid which was used without further purification. LC/MS (m/z, M-H): 473.0

후처리

  1. customTo a 30 mL screw cap vial
  2. customto form
  3. dissolutionto dissolve the precipitate
  4. customThe organic phase was collected (phase separator)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-a6e45ffbe5a74d189a0f4ffc6470a708
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08877801B2

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