Acetic Anhydride → 1-Nitro-5-(p-methoxyphenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline
Reaktionsgleichung
[N+:1]([C:4]1[CH:5]=[N:6][N:7]2[C:16]=1[C:15]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[NH:9][CH:8]2[C:17]1[CH:22]=[CH:21][C:20]([O:23][CH3:24])=[CH:19][CH:18]=1)([O-:3])=[O:2].[C:25](OC(=O)C)(=[O:27])[CH3:26]>>[N+:1]([C:4]1[CH:5]=[N:6][N:7]2[C:16]=1[C:15]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[N:9]([C:25](=[O:27])[CH3:26])[CH:8]2[C:17]1[CH:22]=[CH:21][C:20]([O:23][CH3:24])=[CH:19][CH:18]=1)([O-:3])=[O:2]Komponenten
3
Versuchsvorschrift
1-Nitro-5-(p-methoxyphenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline is reacted with acetic anhydride as described in Example 27 to give 1-nitro-5-(p-methoxyphenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline with a yield of 99%. M.p.: 153°-154° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-1b2b47b1717b4dbdbd6950070c54e2bf
- Quelldatensatz
- uspto-grants-1981_12