Phosphorus oxychloride → HCID 18613833, Verbindung
Reaktionsgleichung
[F:1][C:2]([F:27])([F:26])[C:3]1[CH:25]=[CH:24][C:6]([C:7]([NH:9][CH2:10][C:11]([C:13]2[CH:23]=[CH:22][C:16]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:15][CH:14]=2)=O)=[O:8])=[CH:5][CH:4]=1.P(Cl)(Cl)(Cl)=O>>[F:27][C:2]([F:1])([F:26])[C:3]1[CH:4]=[CH:5][C:6]([C:7]2[O:8][C:11]([C:13]3[CH:23]=[CH:22][C:16]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:15][CH:14]=3)=[CH:10][N:9]=2)=[CH:24][CH:25]=1Komponenten
3
Versuchsvorschrift
In the same manner as in Example 106, ethyl 4-[2-(4-trifluoromethylbenzoylamino)-1-oxoethyl]benzoate was reacted with phosphorus oxychloride to obtain ethyl 4-[2-(4-trifluoromethylphenyl)-5-oxazolyl]benzoate. The product was recrystallized from ethanol. Yield: 60%. Pale yellow prisms. Melting point: 142 to 143° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-3c0d160843994acabf5f2417375e7439
- Quelldatensatz
- uspto-grants-2003_04
- Patentnummer
- US06545009B1
Notizen zur Reaktion
Wird geladen…