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Diethyl Pyrocarbonate → (Z)-2-[ethyl-(4-fluorophenyl)sulfonyl-amino]-N-[[2-[4-(trifluoromethoxy)phenyl]-4-pyridyl]methyl]but-2-enamide

HRID 1479842
ノート
印刷プレビュー

反応式

HRID 1479842 の反応式
[CH2:1]([N:3]([S:10]([C:13]1[CH:18]=[CH:17][C:16]([F:19])=[CH:15][CH:14]=1)(=[O:12])=[O:11])/[C:4](=[CH:8]\[CH3:9])/[C:5]([OH:7])=O)[CH3:2].CCOC(OC(OCC)=O)=O.[F:31][C:32]([F:49])([F:48])[O:33][C:34]1[CH:39]=[CH:38][C:37]([C:40]2[CH:45]=[C:44]([CH2:46][NH2:47])[CH:43]=[CH:42][N:41]=2)=[CH:36][CH:35]=1>C1COCC1>[CH2:1]([N:3]([S:10]([C:13]1[CH:18]=[CH:17][C:16]([F:19])=[CH:15][CH:14]=1)(=[O:12])=[O:11])/[C:4](=[CH:8]\[CH3:9])/[C:5]([NH:47][CH2:46][C:44]1[CH:43]=[CH:42][N:41]=[C:40]([C:37]2[CH:36]=[CH:35][C:34]([O:33][C:32]([F:49])([F:31])[F:48])=[CH:39][CH:38]=2)[CH:45]=1)=[O:7])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 3051Diethyl PyrocarbonateHCID 68759664[2-[4-(Trifluoromethoxy)phenyl]-4-pyridyl]methanamineHCID 90384190(Z)-2-[ethyl-(4-fluorophenyl)sulfonyl-amino]but-2-enoic acid

生成物 1

HCID 90384243(Z)-2-[ethyl-(4-fluorophenyl)sulfonyl-amino]-N-[[2-[4-(trifluoromethoxy)phenyl]-4-pyridyl]methyl]but-2-enamide収率 18.1%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

Acid 11B (574 mg, 2 mmol) was dissolved in 10 ml of THF and at rt DEPC (1.1 equiv, 0.3 ml) and [2-[4-(trifluoromethoxy)phenyl]-4-pyridyl]methanamine 21B (1.1 equiv., 590 mg) were added to the solution. The mixture was stirred at rt overnight then evaporated. The residue was dissolved in AcOEt (30 ml) and washed with water (1×20 ml) and brine. The organic phase was dried over sodium sulfate and concentrated under vacuum. The purification of the crude by chromatographic column (1:1 EtOAc:petroleum ether) afforded 195 mg of a white solid. Yield=18% 1HNMR (DMSO, 200 MHz) δ 1.00 (3H, t, J=7.2 Hz), 1.46 (3H, d J=7.4 Hz), 3.43 (2H, q, J=7 Hz), 4.40 (2H, d, J=6 Hz), 6.83 (1H, q, J=7 Hz), 7.25 (1H, dd, J=6.4 Hz), 7.42 (4H, m), 7.85 (3H, m), 8.18 (2H, d, J=8.2 Hz), 8.60 (1H, d, J=5 Hz), 8.74 (1H, bt) [M+1] 538.1 (C25H23F4N3O4S requires 537.53).

後処理

  1. additionwere added to the solution
  2. customthen evaporated
  3. dissolutionThe residue was dissolved in AcOEt (30 ml)
  4. washwashed with water (1×20 ml) and brine
  5. dry with materialThe organic phase was dried over sodium sulfate
  6. concentrationconcentrated under vacuum
  7. customThe purification of the crude by chromatographic column (1:1 EtOAc:petroleum ether)

出典と根拠

ORDレコード
ord-c5886bcf2d86482e8e294c95cd2aba07
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09409864B2

反応ノート

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