Acetic Acid → 4-[(2-methoxyanilino)methylidene]-5-methyl-2-phenylpyrazol-3-one

HRID 1636335

Reaktionsgleichung

Reaktionsgleichung von HRID 1636335
[CH3:1][C:2]1[CH2:3][C:4](=[O:13])[N:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[N:6]=1.[CH3:14][O:15][C:16]1[C:17]([NH2:22])=[CH:18][CH:19]=[CH:20][CH:21]=1.[C:23](O)(=O)C>CO>[CH3:14][O:15][C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][C:17]=1[NH:22][CH:23]=[C:3]1[C:2]([CH3:1])=[N:6][N:5]([C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=2)[C:4]1=[O:13]

Komponenten

5

Versuchsvorschrift

5-Methyl-2-phenyl-2,4-dihydro-pyrazol-3-one 2 g trimethylorthoformiate (188 ml) and o-anisidin (1.29 ml) are heated swith glacial acetic acid (5 ml) to 70° C. for 2 hours. After the reaction mixture cools down, methanol is added. The precipitate is collected and recrystallized in ethylacetate.

Aufarbeitung

  1. customThe precipitate is collected
  2. customrecrystallized in ethylacetate

Quellen und Nachweise

ORD-Eintrag
ord-a1630f581d4c42ee937e13720b101adb
Quelldatensatz
uspto-grants-2000_03
Patentnummer
US06034099

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