1,1'-Carbonyldiimidazole → HCID 135412678, Verbindung
Reaktionsgleichung
[NH2:1][C:2]1[C:10]([OH:11])=[C:9]([Cl:12])[CH:8]=[C:7]([Cl:13])[C:3]=1[C:4]([NH2:6])=[O:5].[CH:14]1N=CN(C(N2C=NC=C2)=O)C=1>C(O)=O>[Cl:13][C:7]1[CH:8]=[C:9]([Cl:12])[C:10]([OH:11])=[C:2]2[C:3]=1[C:4](=[O:5])[NH:6][CH:14]=[N:1]2Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
According to the procedure described in Step C, 2-amino-4,6-dichloro-3-hydroxybenzamide and formic acid in the presence of CDI gave, after washing the crude product with MeOH, 5,7-dichloro-8-hydroxy-3H-quinazolin-4-one as a white solid (36%).—1H NMR (DMSO-d6): δ 8.12 (s, 1H), 7.55 (s, 1H); mass spectrum: m/z 229, 231, 233 (M+−1, 100%, 66%, 11%).
Aufarbeitung
- customgave
- washafter washing the crude product with MeOH, 5,7-dichloro-8-hydroxy-3H-quinazolin-4-one as a white solid (36%)
Quellen und Nachweise
- ORD-Eintrag
- ord-b1842d6a6e1a4c17a3a999aeac1f34e8
- Quelldatensatz
- uspto-grants-2010_04
- Patentnummer
- US07692011B2
Notizen zur Reaktion
Wird geladen…