6-Chloro-3-oxo-2,3-dihydropyridazine-4-carboxylic acid (2-amino-phenyl)amide → 4-(1H-Benzimidazol-2-yl)-6-chloro-2H-pyridazin-3-one

HRID 12283Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 12283
[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[NH:8][C:9]([C:11]1[C:12](=[O:18])[NH:13][N:14]=[C:15]([Cl:17])[CH:16]=1)=O>C(O)(=O)C>[NH:8]1[C:3]2[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=2[N:1]=[C:9]1[C:11]1[C:12](=[O:18])[NH:13][N:14]=[C:15]([Cl:17])[CH:16]=1

Komponenten

3

Versuchsvorschrift

A solution of 26.4 g of 6-chloro-3-oxo-2,3-dihydropyridazine-4-carboxylic acid (2-aminophenyl)amide in 500 ml of acetic acid is stirred at 110° C. for 2.5 hours and then the solvent is distilled off. The crude product obtained in this way is employed without further purification.

Aufarbeitung

  1. distillationthe solvent is distilled off

Quellen und Nachweise

ORD-Eintrag
ord-0a5a35357a4242119c12cf0fec91f87f
Quelldatensatz
uspto-grants-2010_06
Patentnummer
US07727989B2

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