butyryl bromide
2-bromo-butyryl bromide
Conditions | Yield |
---|---|
With bromine at 100℃; |
butanoic acid methyl ester
2-bromo-butyryl bromide
Conditions | Yield |
---|---|
With phosphorus; bromine |
butyric acid
2-bromo-butyryl bromide
Conditions | Yield |
---|---|
With phosphorus; bromine at 100℃; | |
With phosphorus; bromine; sodium hydroxide at 110℃; Hell-Vollard-Zelinsky halogenation; regioselective reaction; |
bromine
butanoic acid ethyl ester
A
ethyl bromide
B
2-bromo-butyryl bromide
2-bromo-butyryl bromide
(2,2-Bis-phenylsulfanyl-vinyl)-((S)-1-phenyl-ethyl)-amine
Conditions | Yield |
---|---|
With N,N-diethylaniline In benzene Heating; | 100% |
2-bromo-butyryl bromide
N,N'-diisopropyl selenourea
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran at 0℃; | 100% |
2-bromo-butyryl bromide
O-3-(2-furyl)propylhydroxylamine
(±)-1-[O-(3-(2-furyl)propyl)oxyamino]-2-bromo-1-butanone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 0.5h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
Stage #1: Diethyl methylmalonate With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 1.33333h; Inert atmosphere; Stage #2: 2-bromo-butyryl bromide In tetrahydrofuran; mineral oil at 0 - 20℃; for 17h; Inert atmosphere; | 100% |
2-bromo-butyryl bromide
3,5-dimethylaminoaniline
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; | 100% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane for 2h; Inert atmosphere; Cooling with ice; | 100% |
With aluminum (III) chloride In dichloromethane for 2.3h; Cooling with ice; Inert atmosphere; | 100% |
With aluminum (III) chloride In dichloromethane for 2.33333h; Inert atmosphere; Cooling with ice; | 100% |
2-bromo-butyryl bromide
β-naphthol
2-bromo-butyric acid-[2]naphthyl ester
Conditions | Yield |
---|---|
copper; copper dichloride for 0.025h; Alkylation; Irradiation; | 99% |
2-bromo-butyryl bromide
C13H13Br2N3OS
Conditions | Yield |
---|---|
With pyridine In acetonitrile at 20℃; | 98% |
2-bromo-butyryl bromide
2-bromoaniline
2-bromo-N-(2-bromophenyl)-butyramide
Conditions | Yield |
---|---|
With sodium hydroxide In water; toluene at 20℃; Inert atmosphere; | 98% |
2-bromo-butyryl bromide
O-[o-(2-furyl)phenyl]methylhydroxylamine
(±)-1-{O-([o-(2-furyl)phenyl]methyl)oxyamino}-2-bromo-1-butanone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 0.5h; Inert atmosphere; | 98% |
2-bromo-butyryl bromide
Cyclohexyl-[2,2-diphenyl-eth-(E)-ylidene]-amine
2-Bromo-N-cyclohexyl-N-(2,2-diphenyl-vinyl)-butyramide
Conditions | Yield |
---|---|
With pyridine In benzene 1) 30 min, 2) r.t., 16h; | 97% |
2-bromo-butyryl bromide
benzyl alcohol
2-bromobutyric acid benzyl ester
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran at 0℃; Schlenk technique; Inert atmosphere; | 96% |
2-bromo-butyryl bromide
(4R)-phenyl-2-oxazolidinone
(4'R)-2-bromo-1-(2'-oxo-4'-phenyloxazolidin-3'-yl)butan-1-one
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at -78℃; for 1.5h; | 95% |
dimethylenecyclourethane
2-bromo-butyryl bromide
3-(2-Bromo-butyryl)-oxazolidin-2-one
Conditions | Yield |
---|---|
Stage #1: dimethylenecyclourethane With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 2-bromo-butyryl bromide In tetrahydrofuran at -78℃; for 3h; Further stages.; | 95% |
2-bromo-butyryl bromide
(RS)-methyl mandelate
Conditions | Yield |
---|---|
With pyridine In diethyl ether at 0℃; | 94% |
2-bromo-butyryl bromide
(S)-(-)-1-(Cyanomethyl)-1,2,3,4-tetrahydroisoquinoline
[(S)-2-(2-Bromo-butyryl)-1,2,3,4-tetrahydro-isoquinolin-1-yl]-acetonitrile
Conditions | Yield |
---|---|
With diethyl-pyridin-4-yl-amine; triethylamine In dichloromethane at 0℃; | 91.4% |
2-bromo-butyryl bromide
anthranilic acid nitrile
N-(α-bromobutyryl)-2-cyanoanilide
Conditions | Yield |
---|---|
With potassium carbonate In dichloromethane at 0 - 20℃; | 91% |
With potassium carbonate In dichloromethane; water Ambient temperature; | 74% |
2-bromo-butyryl bromide
N-methylaniline
2-bromo-N-methyl-N-phenylbutanamide
Conditions | Yield |
---|---|
Stage #1: N-methylaniline With triethylamine In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-bromo-butyryl bromide In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere; | 90% |
Stage #1: N-methylaniline With triethylamine In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-bromo-butyryl bromide In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere; | 73% |
With diethyl ether |
Conditions | Yield |
---|---|
In acetonitrile for 14h; Ambient temperature; | 90% |
2-bromo-butyryl bromide
4-Methoxybenzyl alcohol
Conditions | Yield |
---|---|
With pyridine In acetonitrile at 0℃; for 0.5h; Inert atmosphere; Schlenk technique; | 90% |
2-bromo-butyryl bromide
2-[(methoxyimino)methyl]phenol
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; | 89% |
2-bromo-butyryl bromide
((S)-9-Methoxymethyl-2,3,4,9-tetrahydro-1H-β-carbolin-1-yl)-acetonitrile
[(S)-2-(2-Bromo-butyryl)-9-methoxymethyl-2,3,4,9-tetrahydro-1H-β-carbolin-1-yl]-acetonitrile
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0℃; for 0.5h; | 88.8% |
2-bromo-butyryl bromide
((S)-9-Methoxymethyl-2,3,4,9-tetrahydro-1H-β-carbolin-1-yl)-acetonitrile
(S)-2-Amino-3-ethyl-12-methoxymethyl-6,7,12,12b-tetrahydro-1H-indolo[2,3-a]quinolizin-4-one
Conditions | Yield |
---|---|
With silver; zinc | 88% |
2-bromo-butyryl bromide
4-(N-methyl)amino-3-methylcarbamoylisothiazole
4-[(2-Bromo-butyryl)-methyl-amino]-isothiazole-3-carboxylic acid methylamide
Conditions | Yield |
---|---|
With potassium carbonate In dichloromethane for 0.0333333h; | 88% |
2-bromo-butyryl bromide
C14H16BrN3OS
Conditions | Yield |
---|---|
With pyridine In acetonitrile at 20℃; | 88% |
2-bromo-butyryl bromide
α-naphthol
2-bromo-butyric acid-[1]naphthyl ester
Conditions | Yield |
---|---|
copper; copper dichloride for 0.025h; Alkylation; Irradiation; | 87% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 16h; Inert atmosphere; Schlenk technique; | 87% |
2-bromo-butyryl bromide
4-methylamino-3-methylcarbamoylisoselenazole
4-[(2-Bromo-butyryl)-methyl-amino]-isoselenazole-3-carboxylic acid methylamide
Conditions | Yield |
---|---|
With potassium carbonate In dichloromethane for 0.0333333h; | 86% |
Chemistry informtion about 2-Bromobutyryl Bromide (CAS NO.26074-52-2) is:
IUPAC Name: 2-Bromobutyryl Bromide
Synonyms: Alpha-Bromobutyryl Bromide ; A-Bromo-N-Butyryl Bromide ; 2-Bromobutyryl Bromide ; 2-Bromo-N-Butyryl Bromide ; Bromobutyrylbromide ; 2-Bromobutyryl Bromide, Tech., 90% ; 2-Bromo-N-Butyryl Bromide (Alpha-) 95+%
MF: C4H6Br2O
MW: 229.9
EINECS: 247-441-7
Density: 1.941 g/cm3
Flash Point: 66.3 °C
Boiling Point: 176.3 °C at 760 mmHg
Vapour Pressure: 1.1 mmHg at 25°C
Enthalpy of Vaporization: 41.27 kJ/mol
Refractive Index: n20/D 1.512(lit.)
Following is the molecular structure of 2-Bromobutyryl Bromide (CAS NO.26074-52-2) is:
Hazard Codes:
C: Corrosive
Risk Statements:
R34:Causes burns.
R36/37:Irritating to eyes and respiratory system.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
F:
F 19: Lachrymator.
F 21: Sensitive to humidity.
HazardClass: 8
PackingGroup: III
2-Bromobutyryl Bromide (CAS NO.26074-52-2) is a colorless or yellowish liquid.
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