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Trifluoroacetic acid → (Z)-2-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-6-methoxy-7-(piperazin-1-ylmethyl)benzofuran-3(2H)-one

HRID 1749828
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HRID 1749828 반응식
[NH:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([CH2:21][N:22]4[CH2:27][CH2:26][N:25](C(OC(C)(C)C)=O)[CH2:24][CH2:23]4)=[C:19]([O:35][CH3:36])[CH:18]=[CH:17][C:14]=3[C:15]\2=[O:16])=[CH:2]1.FC(F)(F)C(O)=O>C(Cl)Cl>[NH:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[C:3](/[CH:10]=[C:11]2\[O:12][C:13]3[C:20]([CH2:21][N:22]4[CH2:23][CH2:24][NH:25][CH2:26][CH2:27]4)=[C:19]([O:35][CH3:36])[CH:18]=[CH:17][C:14]=3[C:15]\2=[O:16])=[CH:2]1
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참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 60155880tert-butyl (Z)-4-({2-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-6-methoxy-3-oxo-2,3-dihydrobenzofuran-7-yl}methyl)piperazine-1-carboxylate

생성물 1

HCID 54576042(Z)-2-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-6-methoxy-7-(piperazin-1-ylmethyl)benzofuran-3(2H)-one수율 97.8%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A solution of tert-butyl (Z)-4-({2-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-6-methoxy-3-oxo-2,3-dihydrobenzofuran-7-yl}methyl)piperazine-1-carboxylate (0.0645 g, 0.131 mmol) in methylene chloride (1 mL) was added with trifluoroacetic acid (1 mL), and the mixture was stirred overnight at room temperature. The reaction mixture was concentrated, and then added with saturated aqueous sodium hydrogencarbonate (6 mL), and the mixture was extracted five times with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate, and then the solvent was evaporated to obtain the objective (Z)-2-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-6-methoxy-7-(piperazin-1-ylmethyl)benzofuran-3(2H)-one (0.0500 g, 97%).

후처리

  1. concentrationThe reaction mixture was concentrated
  2. additionadded with saturated aqueous sodium hydrogencarbonate (6 mL)
  3. extractionthe mixture was extracted five times with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. customthe solvent was evaporated

출처 및 근거

ORD 기록
ord-da962920a12e430a83a08ebe57e85b88
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156827B2

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