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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 586065Erstellt: 25. Oktober 2026

methyl 4-nitro-1H-indazole-1-carboxylate → methyl 4-amino-1H-indazole-1-carboxylate

https://huagongshe.com/reaction/586065

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Eduktmethyl 4-nitro-1H-indazole-1-carboxylateHCID 22032604—
EduktHCID 178418361HCID 178418361—
KatalysatorPalladiumHCID 23938—
LösungsmittelEthanolHCID 702—
Produktmethyl 4-amino-1H-indazole-1-carboxylateHCID 22032652—

Reaktionsbedingungen

Temperatur80 °C

Reaktionsschritte

Methyl 4-nitro-1H-indazole-1-carboxylate 1.66 g, 7.5 mmol) and 10% Pd/C were combined in ethanol (20 mL) and exposed to a hydrogen atmosphere. The reaction mixture was heated at 80° C. for 20 minutes, allowed to cool to room temperature, and filtered through Celite. The filtrate was evaporated to provide title compound. 1H NMR (300 MHz, DMSO-d6) δ 6.1 (s, 2H), 6.41 (dd, 1H), 7.21 (m, 2H), 8.42 (s, 1H).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06933311B2
Quelldatensatzuspto-grants-2005_08
ORD IDord-5eb543c2e4c544bfa039b02fd409d3d5
Quellennotizuspto-grants-2005_08