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Stannous chloride dihydrate → 6-(N-(4-amino-2-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide

HRID 2272305
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HRID 2272305 반응식
[CH:1]1([C:4]2[C:5]([N:24]([C:29]3[CH:34]=[CH:33][C:32]([N+:35]([O-])=O)=[CH:31][C:30]=3[F:38])[S:25]([CH3:28])(=[O:27])=[O:26])=[CH:6][C:7]3[O:11][C:10]([C:12]4[CH:17]=[CH:16][C:15]([F:18])=[CH:14][CH:13]=4)=[C:9]([C:19]([NH:21][CH3:22])=[O:20])[C:8]=3[CH:23]=2)[CH2:3][CH2:2]1.O.O.[Sn](Cl)Cl>C(OCC)(=O)C.C(O)C>[NH2:35][C:32]1[CH:33]=[CH:34][C:29]([N:24]([C:5]2[C:4]([CH:1]3[CH2:3][CH2:2]3)=[CH:23][C:8]3[C:9]([C:19]([NH:21][CH3:22])=[O:20])=[C:10]([C:12]4[CH:13]=[CH:14][C:15]([F:18])=[CH:16][CH:17]=4)[O:11][C:7]=3[CH:6]=2)[S:25]([CH3:28])(=[O:27])=[O:26])=[C:30]([F:38])[CH:31]=1
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참가 물질

5

반응물 2

HCID 61436Stannous chloride dihydrateHCID 1317322685-cyclopropyl-6-(N-(2-fluoro-4-nitrophenyl)methylsulfonamido)-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide

생성물 1

HCID 1317322696-(N-(4-amino-2-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide수율 91%

시약·촉매·용매 2

HCID 702Ethanol용매
HCID 8857
Ethyl Acetate
용매

반응 조건

온도
80 °C

실험 절차

A suspension of 5-cyclopropyl-6-(N-(2-fluoro-4-nitrophenyl)methylsulfonamido)-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide (420 mg, 0.77 mmol) and tin(II) chloride dihydrate (519 mg, 2.31 mmol) in ethyl acetate (15 mL) and ethanol (15 mL) was heated at 80° C. for 2 hours. The solution was cooled to room temperature and concentrated, diluted with ethyl acetate (50 mL) and washed with sodium carbonate solution. The organic layer was dried over sodium sulfate, filtered, concentrated to dryness, and purified by column chromatography to afford 6-(N-(4-amino-2-fluorophenyl)methylsulfonamido)-5-cyclopropyl-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide (360 mg, 0.7 mmol, 91% yield) as a yellow solid. LCMS (m/z, ES+)=512 (M+H+).

후처리

  1. temperatureThe solution was cooled to room temperature
  2. concentrationconcentrated
  3. additiondiluted with ethyl acetate (50 mL)
  4. washwashed with sodium carbonate solution
  5. dry with materialThe organic layer was dried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated to dryness
  8. custompurified by column chromatography

출처 및 근거

ORD 기록
ord-1f2b2947d27c44488599eb8b5882752e
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09119868B2

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