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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 417921Erstellt: 24. Oktober 2026

Methanol → 7-amino-3,4-dihydro-2H-1,4-benzoxazin-3-one

https://huagongshe.com/de/reaction/417921

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktMethanolHCID 887—
Edukt7-nitro-3,4-dihydro-2H-1,4-benzoxazin-3-oneHCID 2763830—
KatalysatorPalladiumHCID 23938—
LösungsmittelEthyl AcetateHCID 8857—
Produkt7-amino-3,4-dihydro-2H-1,4-benzoxazin-3-oneHCID 276418292,3%

Reaktionsschritte

7-Nitro-4H-benzo[1,4]oxazin-3-one (0.65 g, 3.3 mmol) and 10% palladium on carbon (0.13 g) were combined in EtOAc (15 mL) and MeOH (15 mL) and hydrogenated for 2 h at atmospheric pressure. The catalyst was removed by filtration through celite and the filtrate reduced in vacuo to yield the title compound as a colourless oil (0.50 g, 91%). δH (DMSO-d6) 4.42 (2H, s), 4.89 (2H, br s), 6.13-6.20 (2H, m), 6.56 (1H, d, J 8.1 Hz), 10.27 (1H, br s).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08093238B2
Quelldatensatzuspto-grants-2012_01
ORD IDord-dbf68fd6059442cc92254761fb481355
Quellennotizuspto-grants-2012_01