Hydrochloric Acid → 3-(5-(p-Tolyl)furan-2-yl)acrylic acid

HRID 566021Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 566021
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:12][C:11](/[CH:13]=[CH:14]/[C:15]([O:17]C)=[O:16])=[CH:10][CH:9]=2)=[CH:4][CH:3]=1.[OH-].[Na+].Cl>O1CCCC1CCO>[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[O:12][C:11](/[CH:13]=[CH:14]/[C:15]([OH:17])=[O:16])=[CH:10][CH:9]=2)=[CH:6][CH:7]=1

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 86756170methyl (E)-3-[5-(4-methylphenyl)furan-2-yl]acrylate

Produkt 1

HCID 62642823-(5-(p-Tolyl)furan-2-yl)acrylic acidAusbeute 66,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 119895722-(Oxolan-2-yl)ethan-1-olLösungsmittel

Versuchsvorschrift

To a solution of methyl (E)-3-[5-(4-methylphenyl)furan-2-yl]acrylate (1.49 g) in tetrahydrofuran-ethanol (10-10 ml) was added 2N sodium hydroxide (4 ml) at room temperature, and the mixture was stirred for 24 hours. The reaction mixture was acidified with 1N hydrochloric acid, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated sodium chloride solution, dried with magnesium sulfate and concentrated under reduced pressure to give (E)-3-[5-(4-methylphenyl)furan-2-yl]acrylic acid (0.93 g) as colorless crystals.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated sodium chloride solution
  3. dry with materialdried with magnesium sulfate
  4. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-18117810851544ceb0ab7b25e17f1a48
Quelldatensatz
uspto-grants-2001_01
Patentnummer
US06172061B2

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