4-Bromophenyl isocyanate → HCID 21184636, Verbindung

HRID 323037Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 323037
[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][C:16]([N:19]=[C:20]=[O:21])=[CH:15][CH:14]=1>>[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:16]1[CH:17]=[CH:18][C:13]([Br:12])=[CH:14][CH:15]=1)=[O:21]

Komponenten

3

Edukt 2

HCID 756094-Bromophenyl isocyanateHCID 49847212-Amino-5-Nitrophenol

Produkt 1

HCID 21184636HCID 21184636, VerbindungAusbeute 37 %

Versuchsvorschrift

N-(2-Hydroxy-4-nitrophenyl)-N′-(4-bromo phenyl)urea was prepared from 2-hydroxy 4-nitro aniline (500 mg, 3.24 mmol) and 4-bromo phenyl 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 ihe title compound (0.41 g, 37%). EI-MS m/z 352 (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-d5d4105144a141d9b99b55418998a29b
Quelldatensatz
uspto-grants-2001_04
Patentnummer
US06211373B1

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