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2-Fluorobenzoyl chloride → N-[5-(5-bromo(2,3-dihydrobenzo[3,4-b]furan-6-yl))(2-pyridyl)](2-fluorophenyl)carboxamide

HRID 874646
ノート
印刷プレビュー

反応式

HRID 874646 の反応式
[Br:1][C:2]1[C:10]([C:11]2[CH:12]=[CH:13][C:14]([NH2:17])=[N:15][CH:16]=2)=[CH:9][C:5]2[O:6][CH2:7][CH2:8][C:4]=2[CH:3]=1.[F:18][C:19]1[CH:27]=[CH:26][CH:25]=[CH:24][C:20]=1[C:21](Cl)=[O:22].CCN(C(C)C)C(C)C.C([O-])(O)=O.[Na+].C(Cl)Cl>C(Cl)Cl>[Br:1][C:2]1[C:10]([C:11]2[CH:12]=[CH:13][C:14]([NH:17][C:21]([C:20]3[CH:24]=[CH:25][CH:26]=[CH:27][C:19]=3[F:18])=[O:22])=[N:15][CH:16]=2)=[CH:9][C:5]2[O:6][CH2:7][CH2:8][C:4]=2[CH:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 98082-Fluorobenzoyl chlorideHCID 81531DiisopropylethylamineHCID 23716255Sodium bicarbonate methylene chlorideHCID 584869705-(5-Bromo-2,3-dihydrobenzo[3,4-b]furan-6-yl)-2-pyridylamine

生成物 1

HCID 58486939N-[5-(5-bromo(2,3-dihydrobenzo[3,4-b]furan-6-yl))(2-pyridyl)](2-fluorophenyl)carboxamide収率 64.9%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of 5-(5-bromo-2,3-dihydrobenzo[3,4-b]furan-6-yl)-2-pyridylamine (139) (13 mg, 0.044 mmol) in 1 ml DCM was added 2-fluorobenzoyl chloride (11 μl, 0.088 mmol) followed by addition of DIEA (38 μl). The resulting solution was stirred at r.t. for overnight. The reaction mixture was worked up with aq. NaHCO3/DCM. DCM phase was washed with brine, concentrated to dryness. The residue was dissolved in 1 ml THF/MeOH/H2O (5:4:1) and stirred with 1N NaOH (100 μl) at r.t. for 2 h and before worked up with EA/aq. NaHCO3. Silica gel flash chromatography furnished N-[5-(5-bromo(2,3-dihydrobenzo[3,4-b]furan-6-yl))(2-pyridyl)](2-fluorophenyl)carboxamide (141) (11 mg, yield: 64.9%, purity>90%) as white solid.

後処理

  1. washDCM phase was washed with brine
  2. concentrationconcentrated to dryness
  3. dissolutionThe residue was dissolved in 1 ml THF/MeOH/H2O (5:4:1)
  4. stirringstirred with 1N NaOH (100 μl) at r.t. for 2 h

出典と根拠

ORDレコード
ord-b1b707662c624267a2dd5a211acc9581
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08980629B2

反応ノート

読み込み中…

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