2-Bromophenyl isocyanate → sb 225002

HRID 1385349Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1385349
[OH:1][C:2]1[CH:8]=[C:7]([N+:9]([O-:11])=[O:10])[CH:6]=[CH:5][C:3]=1[NH2:4].[Br:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[N:19]=[C:20]=[O:21]>>[OH:1][C:2]1[CH:8]=[C:7]([N+:9]([O-:11])=[O:10])[CH:6]=[CH:5][C:3]=1[NH:4][C:20]([NH:19][C:14]1[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=1[Br:12])=[O:21]

Komponenten

3

Versuchsvorschrift

N-(2-Hydroxy-4-nitrophenyl)-N′-(2-bromophenyl)urea was prepared from 2-hydroxy 4-nitro aniline (500 mg, 3.24 mmol) and 2-bromophenyl isocyanate (3.24 mmol) according to the procedure in General Method B. The product was purified by dilution with methylene chloride and precipitation with hexanes. Filtering afforded the title compound (530 mg, 47%). EI-MS m/z 350 (M−H)−

Aufarbeitung

  1. customThe product was purified by dilution with methylene chloride and precipitation with hexanes
  2. filtrationFiltering

Quellen und Nachweise

ORD-Eintrag
ord-61114942e32348eebcfcf3556833e151
Quelldatensatz
uspto-grants-2001_07
Patentnummer
US06262113B1

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