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Hydrogen Bromide → 6-(N-(4-bromo-3-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide

HRID 2272302
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HRID 2272302 반응식
N[C:2]1[CH:7]=[CH:6][C:5]([N:8]([C:13]2[C:32]([CH:33]3[CH2:35][CH2:34]3)=[CH:31][C:16]3[C:17]([C:27]([NH:29][CH3:30])=[O:28])=[C:18]([C:20]4[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=4)[O:19][C:15]=3[CH:14]=2)[S:9]([CH3:12])(=[O:11])=[O:10])=[CH:4][C:3]=1[F:36].N([O-])=O.[Na+].[BrH:41]>C(#N)C>[Br:41][C:2]1[CH:7]=[CH:6][C:5]([N:8]([C:13]2[C:32]([CH:33]3[CH2:35][CH2:34]3)=[CH:31][C:16]3[C:17]([C:27]([NH:29][CH3:30])=[O:28])=[C:18]([C:20]4[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=4)[O:19][C:15]=3[CH:14]=2)[S:9]([CH3:12])(=[O:11])=[O:10])=[CH:4][C:3]=1[F:36]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 260Hydrogen BromideHCID 23668193Sodium NitriteHCID 1317322656-(N-(4-amino-3-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide

생성물 1

HCID 1317322666-(N-(4-bromo-3-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide수율 61%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

실험 절차

A suspension of 6-(N-(4-amino-3-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide (200 mg, 0.39 mmol) in acetonitrile (5 mL) and aqueous hydrogen bromide solution (5 mL) was treated with an aqueous sodium nitrite (29.6 mg, 0.43 mmol) solution at 0° C. with stirring for 0.5 hours. Cuprous bromide (64.3 mg, 0.45 mmol) was then added to the solution in portions at 0° C., and heated to reflux for 2 hours. The solution was cooled to room temperature and partitioned between ethyl acetate and water. The organic layer was separated, dried over sodium sulfate, filtered, concentrated to dryness, and purified by column chromatography to afford 6-(N-(4-bromo-3-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide (140 mg, 0.24 mmol, 61% yield) as a white solid. LCMS (m/z, ES+)=575, 577 (M+H+)

후처리

  1. temperatureheated
  2. temperatureto reflux for 2 hours
  3. custompartitioned between ethyl acetate and water
  4. customThe organic layer was separated
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated to dryness
  8. custompurified by column chromatography

출처 및 근거

ORD 기록
ord-a663d1ce8fda457d9def4553a0ad2535
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09119868B2

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