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Water → 5-(4-aminobutylamino)-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-4H-1-benzopyran-4-one

HRID 1736210
ノート
印刷プレビュー

反応式

HRID 1736210 の反応式
[N:1]([CH2:4][CH2:5][CH2:6][CH2:7][NH:8][C:9]1[C:14]2[C:15](=[O:33])[CH:16]=[C:17]([C:19]3[CH:24]=[CH:23][C:22]([NH:25][C:26](=[O:31])[C:27]([CH3:30])([CH3:29])[CH3:28])=[C:21]([F:32])[CH:20]=3)[O:18][C:13]=2[C:12]([F:34])=[CH:11][C:10]=1[F:35])=[N+]=[N-].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.O.C(OCC)(=O)C>O1CCCC1>[NH2:1][CH2:4][CH2:5][CH2:6][CH2:7][NH:8][C:9]1[C:14]2[C:15](=[O:33])[CH:16]=[C:17]([C:19]3[CH:24]=[CH:23][C:22]([NH:25][C:26](=[O:31])[C:27]([CH3:30])([CH3:28])[CH3:29])=[C:21]([F:32])[CH:20]=3)[O:18][C:13]=2[C:12]([F:34])=[CH:11][C:10]=1[F:35]
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 962WaterHCID 8857Ethyl AcetateHCID 11776TriphenylphosphineHCID 194347955-(4-azidobutylamino)-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-4H-1-benzopyran-4-one

生成物 1

HCID 194348645-(4-aminobutylamino)-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-4H-1-benzopyran-4-one収率 83%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

332 mg (0.682 mmol) of the above 5-(4-azidobutylamino)-6, 8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-4H-1-benzopyran-4-one was dissolved in 20 mL of tetrahydrofuran, 272 mg (1.02 mmol) of triphenylphosphine and 20 mL of water were added and the mixture was stirred at room temperature for 22 hours. Ethyl acetate was added to the reaction solution, and the organic layer was separated, washed with an aqueous saturated solution of sodium chloride and dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure and the residue was purified by silica gel column chromatography (chloroform:methanol=20:1-chloroform:methanol:aqueous ammonia=9:1:1) to give 260 mg of 5-(4-aminobutylamino)-6,8-difluoro-2-(3-fluoro-4-pivaloylaminophenyl)-4H-1-benzopyran-4-one (yield: 83%).

後処理

  1. customthe organic layer was separated
  2. washwashed with an aqueous saturated solution of sodium chloride
  3. dry with materialdried over anhydrous sodium sulfate
  4. distillationThe solvent was distilled off under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (chloroform:methanol=20:1-chloroform:methanol:aqueous ammonia=9:1:1)

出典と根拠

ORDレコード
ord-b932d6e270a64ca789c478e29e2d7ebe
出典データセット
uspto-grants-1996_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05539112

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート