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HRID 16295Erstellt: 24. Oktober 2026

3,4,5-Trimethoxyaniline → 6-(3-fluorophenoxy)-N-(3,4,5-trimethoxyphenyl)pyrazin-2-amine

https://huagongshe.com/de/reaction/16295

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt3,4,5-TrimethoxyanilineHCID 32285—
Edukt2-Chloro-6-(3-fluorophenoxy)pyrazineHCID 53486074—
LösungsmittelCyclohexaneHCID 8078—
LösungsmittelEthyl AcetateHCID 8857—
Produkt6-(3-fluorophenoxy)-N-(3,4,5-trimethoxyphenyl)pyrazin-2-amineHCID 2487952861%

Reaktionsschritte

Using Method EE with 2-chloro-6-(3-fluorophenyloxy)-pyrazine (200 mg, 0.89 mmol) and 3,4,5-trimethoxyaniline (196 mg, 1.07 mmol), and purification by column chromatography (AcOEt:cyclohexane, 1:1), the title compound was obtained (200 mg). Yield: 61%. 1H NMR (250 MHz, DMSO-d6) δ 3.44 (s, 6H, [CH3O]3+5), 3.55 (s, 3H, [CH3O]4), 6.77 (s, 2H, Harom 2′+6′), 7.02-7.09 (m, 2H, Harom 4+6), 7.16 (d, 1H, Harom 2, JF=8.8 Hz), 7.43 (q, 1H, Harom 5, J=8.5 Hz), 7.78 (s, 1H, HPz 5), 7.98 (s, 1H, HPz 3), 9.61 (s, 1H, NH). m/z: 372.1 [(M+H)+, calcd for C19H18FN3O4 371.1].

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07737152B2
Quelldatensatzuspto-grants-2010_06
ORD IDord-67bf2d049ea44a6c92af680c60a7b4e7
Quellennotizuspto-grants-2010_06