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Diethyl Pyrocarbonate → 2-[ethyl-(3-fluorophenyl)sulfonyl-amino]-N-[[2-[4-(trifluoromethyl)phenyl]-4-pyridyl]methyl]prop-2-enamide

HRID 1479865
ノート
印刷プレビュー

反応式

HRID 1479865 の反応式
[CH2:1]([N:3]([S:9]([C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([F:18])[CH:13]=1)(=[O:11])=[O:10])[C:4](=[CH2:8])[C:5]([OH:7])=O)[CH3:2].CCOC(OC(OCC)=O)=O.[F:30][C:31]([F:47])([F:46])[C:32]1[CH:37]=[CH:36][C:35]([C:38]2[CH:43]=[C:42]([CH2:44][NH2:45])[CH:41]=[CH:40][N:39]=2)=[CH:34][CH:33]=1>C1COCC1>[CH2:1]([N:3]([S:9]([C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([F:18])[CH:13]=1)(=[O:11])=[O:10])[C:4](=[CH2:8])[C:5]([NH:45][CH2:44][C:42]1[CH:41]=[CH:40][N:39]=[C:38]([C:35]2[CH:36]=[CH:37][C:32]([C:31]([F:47])([F:30])[F:46])=[CH:33][CH:34]=2)[CH:43]=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 68758847[2-(4-Trifluoromethyl-phenyl)-pyridin-4-yl]methylamineHCID 1317366012-[Ethyl-(3-fluorophenyl)sulfonyl-amino]prop-2-enoic acid

生成物 1

HCID 903906362-[ethyl-(3-fluorophenyl)sulfonyl-amino]-N-[[2-[4-(trifluoromethyl)phenyl]-4-pyridyl]methyl]prop-2-enamide収率 20%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

Acid 4F (330 mg, 1.2 mmol) was dissolved in 15 ml of THF and at rt DEPC (1.3 equiv, 0.23 mL) and [2-[4-(trifluoromethyl)phenyl]-4-pyridyl]methanamine 21A (1.1 mol equiv., 335 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 (EtOAc 1/petroleum ether 1) afforded 100 mg of a white solid. Yield=20% 1HNMR (DMSO, 200 MHz) δ 1.09 (3H, t, J=7.2 Hz), 3.44 (2H, q, J=6.8 Hz), 4.50 (2H, d, J=6 Hz), 5.21 (1H, s), 6.14 (1H, s), 7.34 (1H, dd, J=4.8), 7.65 (m, 4H), 7.81 (d, 2H, J=7.9), 8.01 (s, 1H), 8.31 (d, 2H, J=7.8), 8.65 (d, 1H, J=5.8), 8.92 (t, 1H). [M+1] 507.62 (C24H21F4N3O3S requires 507.50).

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 (EtOAc 1/petroleum ether 1)

出典と根拠

ORDレコード
ord-92fc439b43124fdfa5f15e443e79cd8b
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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