Ethyl Acetate → 2-Methyl-4-(4-nitrophenyl)thiazole

HRID 1821248

Reaktionsgleichung

Reaktionsgleichung von HRID 1821248
Br[C:2]1[CH:3]=[C:4]([C:11](=O)[CH3:12])[CH:5]=[CH:6][C:7]=1[N+:8]([O-:10])=[O:9].[C:14]([NH2:17])(=[S:16])[CH3:15].C(OCC)(=O)C>CN(C)C=O>[CH3:15][C:14]1[S:16][CH:12]=[C:11]([C:4]2[CH:5]=[CH:6][C:7]([N+:8]([O-:10])=[O:9])=[CH:2][CH:3]=2)[N:17]=1

Komponenten

5

Edukt 3

HCID 8857Ethyl AcetateHCID 2723949ThioacetamideHCID 12224159Agn-PC-0NI5CD

Produkt 1

HCID 1936892-Methyl-4-(4-nitrophenyl)thiazoleAusbeute 80 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of 3-bromo-(4-nitrophenyl)-ethanone (2.5 mmol) and thioacetamide (3 mmol) in N,N-dimethylformamide (20 mL) was heated at 65° C. for 8 h. Ethyl acetate (40 mL) was added and the solution was washed with water (3×20 mL). The product was purified by crystallization from ether to give the title product (80%). ESMS [M+H]+: 221.2

Aufarbeitung

  1. washthe solution was washed with water (3×20 mL)
  2. customThe product was purified by crystallization from ether

Quellen und Nachweise

ORD-Eintrag
ord-0149bb5c8e0a476bbe957661e1f7d86c
Quelldatensatz
uspto-grants-2009_10
Patentnummer
US07605266B2

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