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meta-nitrophenol
4-bromo-3-nitrophenol
Conditions | Yield |
---|---|
With 1-butyl-3-methylpyridinium tribromide at 20℃; | 98% |
With 1,3-di-n-butyl-1H-imidazol-3-ium tribromide at 20℃; for 0.133333h; Neat (no solvent); regioselective reaction; | 95% |
With 1,2-ethanediylbis(triphenylphosphonium) ditribromide In methanol; dichloromethane at 20℃; for 0.0833333h; Solvent; regioselective reaction; | 85% |
at 120 - 140℃; Einleiten von mit CO2 verduenntem Brom-Dampf; | |
With hydrogenchloride; carbon dioxide; bromine |
4-bromo-3-nitroanizole
4-bromo-3-nitrophenol
Conditions | Yield |
---|---|
Stage #1: 4-bromo-3-nitroanizole With boron tribromide In dichloromethane at -78 - 20℃; for 31h; Stage #2: With water In dichloromethane at 0℃; | 87% |
Stage #1: 4-bromo-3-nitroanizole With boron tribromide In dichloromethane at -78 - 20℃; for 31h; Stage #2: With water In dichloromethane at 0℃; | 87% |
With boron tribromide In dichloromethane at -78 - 20℃; | 83% |
4-hydroxy-2-nitroaniline
4-bromo-3-nitrophenol
Conditions | Yield |
---|---|
With hydrogen bromide Diazotization.Behandlung der Diazoniumsalz-Loesung mit Kupfer-Pulver und wss. HBr; | |
With sulfuric acid Diazotization.man versetzt mit einer konz. Kaliumbromidloesung und fuegt Kupferpulver hinzu; | |
Stage #1: 4-hydroxy-2-nitroaniline With hydrogen bromide; sodium nitrite In water at 0 - 10℃; for 1h; Stage #2: With hydrogen bromide; copper(I) bromide at 40 - 45℃; for 1h; | 13.1 g |
Conditions | Yield |
---|---|
at 120 - 140℃; |
4-acetamido-3-nitrophenyl acetate
4-bromo-3-nitrophenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous hydrobromic acid 2: aqueous HBr / Diazotization.Behandlung der Diazoniumsalz-Loesung mit Kupfer-Pulver und wss. HBr View Scheme |
3-nitro-aniline
4-bromo-3-nitrophenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Diazotization 2: 120 - 140 °C / Einleiten von mit CO2 verduenntem Brom-Dampf View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 3h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran at 100℃; for 2h; | 100% |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran at 80℃; for 2h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 4-bromo-3-nitrophenol; tri-n-butyl(vinyl)tin With tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 80℃; for 4h; Stage #2: With potassium fluoride In 1,4-dioxane at 20℃; for 2h; | 100% |
Empirical Formula: C6H4BrNO3
Molecular Weight: 218.0049
Structure of Phenol,4-bromo-3-nitro- (CAS NO.78137-76-5):
Index of Refraction: 1.652
Molar Refractivity: 42.37 cm3
Molar Volume: 115.89 cm3
Polarizability: 16.797×10-24cm3
Surface Tension: 64.376 dyne/cm
Density: 1.881 g/cm3
Flash Point: 124.074 °C
Enthalpy of Vaporization: 54.125 kJ/mol
Melting Point: 144-145 ºC
Boiling Point: 281.545 °C at 760 mmHg
Vapour Pressure: 0.002 mmHg at 25°C
Synonyms of Phenol,4-bromo-3-nitro- (CAS NO.78137-76-5): 4-Brom-3-nitrophenol