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Water → (6-Ethoxy-pyridin-3-yl)-{6-fluoro-5-[hydroxy-(5-methyl-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-methyl]-pyridin-2-yl}-carbamic acid tert-butyl ester

HRID 1396166
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HRID 1396166 반응식
I[C:2]1[C:10]2[C:5](=[N:6][CH:7]=[C:8]([CH3:11])[CH:9]=2)[N:4]([Si:12]([CH:19]([CH3:21])[CH3:20])([CH:16]([CH3:18])[CH3:17])[CH:13]([CH3:15])[CH3:14])[CH:3]=1.C([Mg]Cl)(C)C.[C:27]([O:31][C:32](=[O:52])[N:33]([C:43]1[CH:44]=[N:45][C:46]([O:49][CH2:50][CH3:51])=[CH:47][CH:48]=1)[C:34]1[CH:39]=[CH:38][C:37]([CH:40]=[O:41])=[C:36]([F:42])[N:35]=1)([CH3:30])([CH3:29])[CH3:28].O>O1CCCC1>[C:27]([O:31][C:32](=[O:52])[N:33]([C:43]1[CH:44]=[N:45][C:46]([O:49][CH2:50][CH3:51])=[CH:47][CH:48]=1)[C:34]1[CH:39]=[CH:38][C:37]([CH:40]([OH:41])[C:2]2[C:10]3[C:5](=[N:6][CH:7]=[C:8]([CH3:11])[CH:9]=3)[N:4]([Si:12]([CH:19]([CH3:21])[CH3:20])([CH:16]([CH3:18])[CH3:17])[CH:13]([CH3:15])[CH3:14])[CH:3]=2)=[C:36]([F:42])[N:35]=1)([CH3:30])([CH3:29])[CH3:28]
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6

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HCID 962WaterHCID 582588923-Iodo-5-methyl-1-(triisopropylsilyl)-1h-pyrrolo[2,3-b]pyridineHCID 58485702(6-Ethoxy-pyridin-3-yl)-(6-fluoro-5-formyl-pyridin-2-yl)-carbamic acid tert-butyl esterHCID 178418918HCID 178418918, 화합물

생성물 1

HCID 58485882(6-Ethoxy-pyridin-3-yl)-{6-fluoro-5-[hydroxy-(5-methyl-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-methyl]-pyridin-2-yl}-carbamic acid tert-butyl ester
수율 83.2%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

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온도
-5 °C

실험 절차

To a solution of 3-iodo-5-methyl-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridine (8, 0.43 g, 1.0 mmol) in 5 mL of tetrahydrofuran at −40° C. under nitrogen, isopropylmagnesium chloride (0.51 mL, 2.00 M in tetrahydrofuran, 1.0 mmol) is added slowly. The reaction is allowed to warm to −5° C. over 60 minutes, then cooled to −45° C., followed by addition of (6-ethoxy-pyridin-3-yl)-(6-fluoro-5-formyl-pyridin-2-yl)-carbamic acid tert-butyl ester (69, 0.06 g, 0.2 mmol) in 2.0 mL of tetrahydrofuran. The reaction is allowed to warm to room temperature over 2 hours, then poured into water and extracted with ethyl acetate. The organic layer is dried over sodium sulfate, filtered and the filtrate concentrated under vacuum. The resulting material is purified by silica gel column chromatography eluting with 20-100% ethyl acetate in hexane. Appropriate fractions are combined and concentrated under vacuum to provide the desired compound (70, 108.1 mg).

후처리

  1. temperaturecooled to −45° C.
  2. temperatureto warm to room temperature over 2 hours
  3. extractionextracted with ethyl acetate
  4. dry with materialThe organic layer is dried over sodium sulfate
  5. filtrationfiltered
  6. concentrationthe filtrate concentrated under vacuum
  7. customThe resulting material is purified by silica gel column chromatography
  8. washeluting with 20-100% ethyl acetate in hexane
  9. concentrationconcentrated under vacuum

출처 및 근거

ORD 기록
ord-90773a3d81354875b6b402df1ffc5594
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08901118B2

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