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Sodium hydride → 1-ethyl-3-{4-[(3-methyl-3H-imidazo[4,5-b]pyridin-2-yl)oxy]phenyl}-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile

HRID 1044232
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인쇄 미리보기

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HRID 1044232 반응식
[CH3:1][N:2]1[C:6]2=[N:7][CH:8]=[CH:9][CH:10]=[C:5]2[N:4]=[C:3]1S(C)(=O)=O.[CH2:15]([N:17]1[C:25]2[C:20](=[N:21][CH:22]=[C:23]([C:26]#[N:27])[CH:24]=2)[N:19]([C:28]2[CH:33]=[CH:32][C:31]([OH:34])=[CH:30][CH:29]=2)[C:18]1=[O:35])[CH3:16].[H-].[Na+]>CN(C=O)C.CO>[CH2:15]([N:17]1[C:25]2[C:20](=[N:21][CH:22]=[C:23]([C:26]#[N:27])[CH:24]=2)[N:19]([C:28]2[CH:33]=[CH:32][C:31]([O:34][C:3]3[N:2]([CH3:1])[C:6]4=[N:7][CH:8]=[CH:9][CH:10]=[C:5]4[N:4]=3)=[CH:30][CH:29]=2)[C:18]1=[O:35])[CH3:16]
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참가 물질

6

반응물 3

HCID 24758Sodium hydrideHCID 585773713-Methyl-2-(methylsulfonyl)-3H-imidazo[4,5-b]pyridineHCID 585775161-ethyl-3-(4-hydroxyphenyl)-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile

생성물 1

HCID 585775021-ethyl-3-{4-[(3-methyl-3H-imidazo[4,5-b]pyridin-2-yl)oxy]phenyl}-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile수율 12.6%

시약·촉매·용매 2

HCID 887
Methanol
용매
HCID 6228Dimethylformamide용매

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온도
180 °C

실험 절차

3-Methyl-2-(methylsulfonyl)-3H-imidazo[4,5-b]pyridine (45 mg) was added to a solution of 1-ethyl-3-(4-hydroxyphenyl)-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile (61.5 mg) and NaH (9.0 mg) in DMF (1 mL) at room temperature. The mixture was heated at 180° C. for 30 min under microwave irradiation. The reaction mixture was diluted with MeOH and concentrated under reduced pressure. The residue was purified by column chromatography (NH silica gel, eluted with 0%-50% EtOAc in hexane) to give 1-ethyl-3-{4-[(3-methyl-3H-imidazo[4,5-b]pyridin-2-yl)oxy]phenyl}-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile (11 mg) as white crystals.

후처리

  1. concentrationconcentrated under reduced pressure
  2. customThe residue was purified by column chromatography (NH silica gel, eluted with 0%-50% EtOAc in hexane)

출처 및 근거

ORD 기록
ord-300e826768de4a4580a9c62a56f21ce7
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08563575B2

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