Hydrochloric Acid → HCID 13061858, Verbindung

HRID 1200108Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1200108
[CH3:1][C:2]1[C:3]([O:12][CH3:13])=[C:4]([C:8]([O:10]C)=[O:9])[S:5][C:6]=1[CH3:7].Cl>[OH-].[Na+]>[CH3:13][O:12][C:3]1[C:2]([CH3:1])=[C:6]([CH3:7])[S:5][C:4]=1[C:8]([OH:10])=[O:9]

Komponenten

4

Edukt 2

HCID 313Hydrochloric AcidHCID 14154178Methyl 3-methoxy-4,5-dimethyl-2-thiophenecarboxylate

Produkt 1

HCID 13061858HCID 13061858, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 14798Sodium HydroxideLösungsmittel

Versuchsvorschrift

Methyl 4,5-dimethyl-3-methoxythiophene-2-carboxylate (34 g) was heated under reflux in 1M sodium hydroxide solution (500 ml) for 1 hour. After cooling the mixture was acidified with concentrated hydrochloric acid to pH4. The solid was filtered, washed with water and dried, m.p. 142°-143° C.

Aufarbeitung

  1. temperatureAfter cooling the mixture
  2. filtrationThe solid was filtered
  3. washwashed with water
  4. customdried

Quellen und Nachweise

ORD-Eintrag
ord-459719fa321545fdb1bde3e373f12634
Quelldatensatz
uspto-grants-1990_02
Patentnummer
US04904686

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