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

HRID 1424807
ノート
印刷プレビュー

反応式

HRID 1424807 の反応式
[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
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

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

生成物 1

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

試薬・触媒・溶媒 2

HCID 702Ethanol溶媒
HCID 8857
Ethyl Acetate
溶媒

反応条件

温度
80 °C

実験手順

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+).

後処理

  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

出典と根拠

ORDレコード
ord-f5bc6394b542446ba65d4cf96cdb6635
出典データセット
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08927593B2

反応ノート

読み込み中…

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