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

HRID 1479861
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HRID 1479861 반응식
[CH2:1]([N:3]([S:9]([C:12]1[CH:17]=[CH:16][C:15]([F:18])=[C:14]([F:19])[CH:13]=1)(=[O:11])=[O:10])[C:4](=[CH2:8])[C:5]([OH:7])=O)[CH3:2].CCOC(OC(OCC)=O)=O.[F:31][C:32]([F:48])([F:47])[C:33]1[CH:38]=[CH:37][C:36]([C:39]2[CH:44]=[C:43]([CH2:45][NH2:46])[CH:42]=[CH:41][N:40]=2)=[CH:35][CH:34]=1>C1COCC1>[CH2:1]([N:3]([S:9]([C:12]1[CH:17]=[CH:16][C:15]([F:18])=[C:14]([F:19])[CH:13]=1)(=[O:11])=[O:10])[C:4](=[CH2:8])[C:5]([NH:46][CH2:45][C:43]1[CH:42]=[CH:41][N:40]=[C:39]([C:36]2[CH:37]=[CH:38][C:33]([C:32]([F:48])([F:31])[F:47])=[CH:34][CH:35]=2)[CH:44]=1)=[O:7])[CH3:2]
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참가 물질

5

반응물 3

HCID 3051Diethyl PyrocarbonateHCID 68758847[2-(4-Trifluoromethyl-phenyl)-pyridin-4-yl]methylamineHCID 903905002-[Ethyl-(3,4-difluorophenyl)sulfonyl-amino]prop-2-enoic acid

생성물 1

HCID 903903852-[ethyl-(3,4-difluorophenyl)sulfonyl-amino]-N-[[2-[4-(trifluoromethyl)phenyl]-4-pyridyl]methyl]prop-2-enamide수율 24%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

Acid 4G (500 mg, 1.7 mmol) was dissolved in 20 ml of THF and at rt DEPC (1.3 equiv, 0.34 ml) and [2-[4-(trifluoromethyl)phenyl]-4-pyridyl]methanamine 21A (1.1 equiv., 476 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 120 mg of a white solid. Yield=24% 1HNMR (DMSO, 200 MHz) δ 1.09 (3H, t, J=7.2 Hz), 3.45 (2H, q, J=6.8 Hz), 4.51 (2H, d, J=6 Hz), 5.31 (1H, s), 6.17 (1H, s), 7.38 (1H, dd, J=4.8 Hz, J′=1.2 Hz), 7.68 (2H, t, J=8.8 Hz), 7.83 (d, 3H), 8.02 (s, 1H), 8.32 (d, 2H, J=7.8), 8.67 (d, 1H, J=5.8), 8.93 (t, 1H). [M+1] 525.11 (C24H20F5N3O3S requires 524.98).

후처리

  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)

출처 및 근거

ORD 기록
ord-63a78c1cc4b04c39b89d74612917eccc
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09409864B2

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