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Diazomethane → 6-(2-(2-((4-(difluoromethoxy)phenyl)amino)pyrimidin-5-yl)cyclopropyl)-1-((2-(trimethylsilyl)ethoxy)methyl)quinolin-2(1H)-one

HRID 77488
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HRID 77488 반응식
[F:1][CH:2]([F:38])[O:3][C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2[N:16]=[CH:15][C:14](/[CH:17]=[CH:18]/[C:19]3[CH:20]=[C:21]4[C:26](=[CH:27][CH:28]=3)[N:25]([CH2:29][O:30][CH2:31][CH2:32][Si:33]([CH3:36])([CH3:35])[CH3:34])[C:24](=[O:37])[CH:23]=[CH:22]4)=[CH:13][N:12]=2)=[CH:6][CH:5]=1.[N+](=[CH2:41])=[N-]>C(OCC)C>[F:38][CH:2]([F:1])[O:3][C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2[N:16]=[CH:15][C:14]([CH:17]3[CH2:41][CH:18]3[C:19]3[CH:20]=[C:21]4[C:26](=[CH:27][CH:28]=3)[N:25]([CH2:29][O:30][CH2:31][CH2:32][Si:33]([CH3:36])([CH3:35])[CH3:34])[C:24](=[O:37])[CH:23]=[CH:22]4)=[CH:13][N:12]=2)=[CH:6][CH:5]=1
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참가 물질

4

반응물 2

HCID 9550DiazomethaneHCID 86679781(E)-6-(2-(2-((4-(difluoromethoxy)phenyl)amino)pyrimidin-5-yl)vinyl)-1-((2-(trimethylsilyl)ethoxy)methyl)quinolin-2(1H)-one

생성물 1

HCID 866797806-(2-(2-((4-(difluoromethoxy)phenyl)amino)pyrimidin-5-yl)cyclopropyl)-1-((2-(trimethylsilyl)ethoxy)methyl)quinolin-2(1H)-one수율 49%

시약·촉매·용매 1

HCID 3283Diethyl Ether용매2회

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온도
-10 °C

실험 절차

To a stirred solution of (E)-6-(2-(2-((4-(difluoromethoxy)phenyl)amino)pyrimidin-5-yl)vinyl)-1-((2-(trimethylsilyl)ethoxy)methyl)quinolin-2(1H)-one (0.15 g, 0.280 mmol) in diethyl ether (10 mL) was added PdOAc2 (6.28 mg, 0.028 mmol). The reaction mixture was cooled to −10° C., and a cold solution of diazomethane in ether (generated from aqueous KOH (0.45 g) and NMU (0.6 g) at −15° C.) was added. The reaction mixture was stirred at room temperature for 12 h. The reaction mixture was filtered through celite, diluted with diethyl ether, and washed with water and saturated NaCl solution. The organic layer was dried over sodium sulfate, concentrated, and purified by flash chromatography on silica gel column using 15% ethyl acetate in hexane to give 6-(2-(2-((4-(difluoromethoxy)phenyl)amino)pyrimidin-5-yl)cyclopropyl)-1-((2-(trimethylsilyl)ethoxy)methyl)quinolin-2(1H)-one as a yellow gum (0.075 g, 49%). LCMS: RT 2.317 min, (M+H) 551.

후처리

  1. filtrationThe reaction mixture was filtered through celite
  2. additiondiluted with diethyl ether
  3. washwashed with water and saturated NaCl solution
  4. dry with materialThe organic layer was dried over sodium sulfate
  5. concentrationconcentrated
  6. custompurified by flash chromatography on silica gel column

출처 및 근거

ORD 기록
ord-04418496064546c3b4e228744ccee340
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08841301B2

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