Hydrochloric Acid → Ethyl 5-nitrothiophene-2-carboxylate

HRID 49931

Reaktionsgleichung

Reaktionsgleichung von HRID 49931
[N+:1]([C:4]1[S:8][C:7]([C:9]([OH:11])=[O:10])=[CH:6][CH:5]=1)([O-:3])=[O:2].O1CCO[CH2:14][CH2:13]1.Cl>C(O)C>[N+:1]([C:4]1[S:8][C:7]([C:9]([O:11][CH2:13][CH3:14])=[O:10])=[CH:6][CH:5]=1)([O-:3])=[O:2]

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 805915-Nitro-2-thenoic acid

Produkt 1

HCID 304627Ethyl 5-nitrothiophene-2-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

5 g of 5-nitrothiophene-2-carboxylic acid was stirred in 100 ml of ethanol. 20 ml of dioxane containing 4 M of hydrogen chloride was added to the obtained mixture, and they were stirred at 60° C. for 2 days. The solvent was evaporated to obtain the title compound.

Aufarbeitung

  1. customThe solvent was evaporated

Quellen und Nachweise

ORD-Eintrag
ord-f84d5a426a894c01af94fb8ebc136096
Quelldatensatz
uspto-grants-2004_03
Patentnummer
US06710056B2

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