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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1091869Erstellt: 26. Oktober 2026

4-Nitrophenol → 4-Nitrophenyl 6-difluoromethyloxybenzo[4,5]furo[3,2-c]pyridine-9-carboxylate

https://huagongshe.com/reaction/1091869

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt4-NitrophenolHCID 980—
Edukt1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Edukt6-(Difluoromethoxy)[1]benzofuro[3,2-c]pyridine-9-carboxylic acidHCID 59396155—
Edukt4,4-Dimethyl amino pyridineHCID 66592228—
LösungsmittelDimethylformamideHCID 6228—
Produkt4-Nitrophenyl 6-difluoromethyloxybenzo[4,5]furo[3,2-c]pyridine-9-carboxylateHCID 59396153—

Reaktionsbedingungen

Temperatur72.5 °C

Reaktionsschritte

A mixture of 6-Difluoromethyloxybenzo[4,5]furo[3,2-c]pyridine-9-carboxylic acid (5.5 g, 0.0197 moles), p-nitro phenol (4.1 g, 0.0295 moles), EDCI (5.7 g, 0.295 moles), 4,4-dimethyl amino pyridine (250 mg, 0.00197 moles) in DMF (603.0 mL) was heated to 70-75° C. for 4-5 hours. The residue obtained after removal of solvent under vacuo was triturated with water (50.0 mL) to give intermediate-18 (6.0 mg) as yellow solid.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08129401B2
Quelldatensatzuspto-grants-2012_03
ORD IDord-1b4c4db6e728430c9fd79522738316d7
Quellennotizuspto-grants-2012_03