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Diisopropylethylamine → (S)-2-[4-(2,6-difluoro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-methyl-pentanoic acid [1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-yl]-amide

HRID 19124
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 19124
[F:1][C:2]1[C:22]([O:23][CH3:24])=[CH:21][CH:20]=[C:19]([F:25])[C:3]=1[O:4][C:5]1[CH2:9][N:8]([C@@H:10]([CH2:14][CH:15]([CH3:17])[CH3:16])[C:11](O)=[O:12])[C:7](=[O:18])[CH:6]=1.[CH3:26][C:27]1([CH3:39])[O:31][C@H:30]([CH2:32][N:33]2[CH:37]=[CH:36][C:35]([NH2:38])=[N:34]2)[CH2:29][O:28]1.F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C>CN(C)C=O>[CH3:26][C:27]1([CH3:39])[O:31][C@H:30]([CH2:32][N:33]2[CH:37]=[CH:36][C:35]([NH:38][C:11](=[O:12])[C@@H:10]([N:8]3[CH2:9][C:5]([O:4][C:3]4[C:19]([F:25])=[CH:20][CH:21]=[C:22]([O:23][CH3:24])[C:2]=4[F:1])=[CH:6][C:7]3=[O:18])[CH2:14][CH:15]([CH3:17])[CH3:16])=[N:34]2)[CH2:29][O:28]1
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 59344941(R)-1-((2,2-Dimethyl-1,3-dioxolan-4-yl)methyl)-1H-pyrazol-3-amineHCID 66894950(S)-2-[4-(2,6-difluoro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-methyl-pentanoic acid

Produkt 1

HCID 57920095
(S)-2-[4-(2,6-difluoro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-methyl-pentanoic acid [1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-yl]-amide
Ausbeute 64,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

To a solution of (S)-2-[4-(2,6-difluoro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-methyl-pentanoic acid (0.200 g, 0.56 mmol) in N,N-dimethylformamide (7 mL) was added 1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-ylamine (prepared as in Example 49, 0.139 g, 0.70 mmol) and benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate (0.374 g, 0.85 mmol). The mixture was stirred at 0° C. and N,N-diisopropylethylamine (0.193 g, 1.49 mmol) was added. The mixture was stirred at room temperature overnight and the solvents were evaporated. The residue was treated with ethyl acetate and ammonium chloride solution, and the organic layer separated. The organic layer was washed with brine and dried over sodium sulfate. The solvents were evaporated and the residue was purified by ISCO flash chromatography (Teledyne Isco RediSep Flash Column 40 g, 50% to 90% ethyl acetate/hexanes) which afforded (S)-2-[4-(2,6-difluoro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-methyl-pentanoic acid [1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-yl]-amide (0.193 g, 64%) as a pale brown solid: HR-ES-MS m/z calculated for C26H32F2N4O6 [M+H]+ 535.2363, observed 535.2363, 1H NMR (300 MHz, DMSO-d6) δ ppm 1.00 0.90 (d, J=6.3 Hz, 3H), 0.93 (d, J=6.3 Hz, 3H), 1.25 (s, 3H), 1.30 (s, 3 H), 1.36-1.50 (m, 1H), 1.50-1.65 (m, 1H), 1.69-1.84 (m, 1H), 3.73 (dd, J=8.4, 5.7 Hz, 1H), 3.87 (s, 3H), 4.00 (dd, J=8.4, 6.5 Hz, 1H), 4.11 (t, J=5.4 Hz, 2H), 4.27 (d, J=18.7 Hz, 1H), 4.35 (t, J=5.7 Hz, 1H), 4.62 (d, J=18.7 Hz, 1H), 4.88 (dd, J=10.6, 4.8 Hz, 1H), 5.06 (s, 1H), 6.43 (d, J=2.1 Hz, 1H), 7.18 (td, J=9.3, 5.1 Hz, 1H), 7.30 (td, J=9.5, 1.8 Hz, 1H), 7.60 (d, J=2.1 Hz, 1H), 10.82 (s, 1H).

Aufarbeitung

  1. stirringThe mixture was stirred at room temperature overnight
  2. customthe solvents were evaporated
  3. additionThe residue was treated with ethyl acetate and ammonium chloride solution
  4. customthe organic layer separated
  5. washThe organic layer was washed with brine
  6. dry with materialdried over sodium sulfate
  7. customThe solvents were evaporated
  8. customthe residue was purified by ISCO flash chromatography (Teledyne Isco RediSep Flash Column 40 g, 50% to 90% ethyl acetate/hexanes) which

Quellen und Nachweise

ORD-Eintrag
ord-d9de7ff450fb4f3eb49b6a8b74dcd756
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07741327B2

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