6-(2-methoxyethoxy)-1H-indole → Benzyl 2-fluoro-3-(1-(6-(2-methoxyethoxy)-1H-indol-3-yl)-2-nitroethyl)phenylcarbamate

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Reaktionsgleichung

[CH3:1][O:2][CH2:3][CH2:4][O:5][C:6]1[CH:14]=[C:13]2[C:9]([CH:10]=[CH:11][NH:12]2)=[CH:8][CH:7]=1.[F:15][C:16]1[C:21](/[CH:22]=[CH:23]/[N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=[CH:18][C:17]=1[NH:27][C:28](=[O:37])[O:29][CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1>C1COCC1>[F:15][C:16]1[C:21]([CH:22]([C:10]2[C:9]3[C:13](=[CH:14][C:6]([O:5][CH2:4][CH2:3][O:2][CH3:1])=[CH:7][CH:8]=3)[NH:12][CH:11]=2)[CH2:23][N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=[CH:18][C:17]=1[NH:27][C:28](=[O:37])[O:29][CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1

Komponenten

Reaktionsbedingungen

Temperatur: 125 °C

Versuchsvorschrift

6-(2-Methoxyethoxy)-1H-indole (1.198 g, 6.26 mmol) and (E)-benzyl 2-fluoro-3-(2-nitrovinyl)phenylcarbamate (1.651 g, 5.22 mmol) were dissolved in THF (50 mL) and concentrated in vacuo, and the mixture was heated at 125° C. overnight. The reaction was cooled to room temperature, and the crude product was purified by flash chromatography (solid loading) using an ISCO 220 g column eluting with 15-75% EtOAc/hexanes to give the desired product (1.888 g, 3.61 mmol, 69.2% yield) as a light orange foam.

Aufarbeitung

concentrationconcentrated in vacuo
temperatureThe reaction was cooled to room temperature
customthe crude product was purified by flash chromatography (solid loading)
washeluting with 15-75% EtOAc/hexanes

Quellen und Nachweise

ORD-Eintrag: ord-b580450737e049d7af7f8a2f2b56d257
Quelldatensatz: uspto-grants-2014_04
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US08685969B2

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