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N-bromobutanimide → 2-Propen-1-yl {5-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate

HRID 1961770
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1961770
[Cl:1][C:2]1[N:7]=[C:6]([CH2:8][C:9]([C:11]2[CH:12]=[CH:13][C:14]([F:24])=[C:15]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:16]=2)=O)[CH:5]=[CH:4][N:3]=1.C1C(=O)N(Br)C(=O)C1.[CH3:33][C:34]([CH3:39])([CH3:38])[C:35](=[S:37])[NH2:36]>O>[Cl:1][C:2]1[N:7]=[C:6]([C:8]2[S:37][C:35]([C:34]([CH3:39])([CH3:38])[CH3:33])=[N:36][C:9]=2[C:11]2[CH:12]=[CH:13][C:14]([F:24])=[C:15]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:16]=2)[CH:5]=[CH:4][N:3]=1
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Komponenten

5

Edukt 3

HCID 67184N-bromobutanimideHCID 30311302,2-DimethylpropanethioamideHCID 579897362-Propen-1-yl {5-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate

Produkt 1

HCID 579900012-Propen-1-yl {5-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamateAusbeute 80,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962
Water
Lösungsmittel

Versuchsvorschrift

To a solution of 2-propen-1-yl {5-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate (35 g, 100.3 mmol in DMA, 500 mL), NBS (17.8 g, 100.3 mmol) was added. The reaction mixture was stirred at rt for 1 h. Then 2,2-dimethylpropanethioamide (13 g, 111 mmol) was added at 0° C. The mixture was stirred at 80° C. for 2 h. The mixture was poured into water and extracted with EtOAc (1 L×3). The combined organic layers were washed with water and brine successively, dried over Na2SO4, filtered and concentrated under reduced pressure to give the crude product, which was purified by column chromatography on silica gel (DCM:petroleum ether 2:1) to afford the title compound (36 g, 80.5% yield). 1H NMR (400 MHz, CDCl3) δ ppm 8.24-8.31 (m, 2H), 7.09-7.18 (m, 2H), 7.01 (d, J=5.5 Hz, 1H), 6.92-6.98 (br, 1H), 5.87-5.97 (m, 1H), 5.31-5.37 (m, 1H), 5.24-5.28 (m, 1H), 4.61-4.65 (m, 2H), 1.46 (s, 9H).

Aufarbeitung

  1. stirringThe mixture was stirred at 80° C. for 2 h
  2. extractionextracted with EtOAc (1 L×3)
  3. washThe combined organic layers were washed with water and brine successively
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customto give the crude product, which
  8. customwas purified by column chromatography on silica gel (DCM:petroleum ether 2:1)

Quellen und Nachweise

ORD-Eintrag
ord-5ed677f33dc24335890ed6d2159f01dd
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08415345B2

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