2-Bromophenyl isocyanate → (2-Bromophenyl)urea
Reaktionsgleichung
OC1C=C(C=CC=1[NH2:11])C(O)=O.[Br:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[N:19]=[C:20]=[O:21]>>[Br:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[NH:19][C:20](=[O:21])[NH2:11]Komponenten
3
Versuchsvorschrift
The urea was prepared from 3-hydroxy 4-amino benzoic acid (3.69 g, 24 mmol) and 2-bromo phenyl isocyanate (24 mmol) by general Method B. It was purified by dilution of the DMF solution with methylene chloride and precipitation with hexane (4.0 g, 48%). EI-MS m/z 351 (M+H)+
Aufarbeitung
- customIt was purified by dilution of the DMF solution with methylene chloride and precipitation with hexane (4.0 g, 48%)
Quellen und Nachweise
- ORD-Eintrag
- ord-3d326b6184b0452ab8bb3c8ce11a7ef8
- Quelldatensatz
- uspto-grants-2001_04
- Patentnummer
- US06211373B1
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