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CAS No.: | 50488-42-1 |
---|---|
Name: | 2-Bromo-5-(trifluoromethyl)pyridine |
Article Data: | 2 |
Molecular Structure: | |
Formula: | C6H3BrF3N |
Molecular Weight: | 225.996 |
Synonyms: | 5-(Trifluoromethyl)-2-bromopyridine;6-Bromo-3-trifluoromethylpyridine; |
EINECS: | 628-661-6 |
Density: | 1.707 g/cm3 |
Melting Point: | 44-48 °C |
Boiling Point: | 209.3 °C at 760 mmHg |
Flash Point: | 80.4 °C |
Appearance: | Light yellow needles |
Hazard Symbols: | T, Xi, Xn |
Risk Codes: | 25-36/37/38-20/21/22 |
Safety: | 26-36/37/39-22-36 |
Transport Information: | UN 2811 6.1/PG 3 |
PSA: | 12.89000 |
LogP: | 2.86290 |
2-chloro-5-trifluoromethylpyridine
2-bromo-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With trimethylsilyl bromide In various solvent(s) for 20h; Heating; | 76% |
2-bromo-5-iodo-pyridine
(trifluoromethyl)trimethylsilane
2-bromo-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With potassium fluoride; copper(l) iodide In 1-methyl-pyrrolidin-2-one; N,N-dimethyl-formamide at 25℃; for 6h; | 29% |
2,5-dibromopyridine
2-bromo-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: nBuLi / hexane; diethyl ether / 0.75 h / -75 °C 1.2: 84 percent / I2 / hexane; tetrahydrofuran; diethyl ether / 0.75 h / -75 °C 2.1: 29 percent / KF; CuI / dimethylformamide; 1-methyl-pyrrolidin-2-one / 6 h / 25 °C View Scheme |
methanol
carbon monoxide
2-bromo-5-(trifluoromethyl)pyridine
5-(trifluoromethyl)-pyridine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With triethylamine; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 at 80℃; under 3102.97 Torr; for 3h; | 100% |
tert-butyl (2-chloroethoxy)dimethyl silane
2-bromo-5-(trifluoromethyl)pyridine
2-(2-(tert-butyldimethylsilyloxy)ethylthio)-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; Sodium thiosulfate pentahydrate; caesium carbonate In ethylene glycol; dimethyl sulfoxide at 120℃; Schlenk technique; Inert atmosphere; Green chemistry; | 98% |
With 1,1'-bis-(diphenylphosphino)ferrocene; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; Sodium thiosulfate pentahydrate; caesium carbonate In ethylene glycol; dimethyl sulfoxide at 120℃; Inert atmosphere; | 98% |
(8R,9aS)-8-hydroxyoctahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one hydrochloride
2-bromo-5-(trifluoromethyl)pyridine
(8R,9aS)-8-hydroxy-2-[5-(trifluoromethyl)pyridin-2-yl]octahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one
Conditions | Yield |
---|---|
With sodium carbonate In dimethyl sulfoxide at 100℃; | 98% |
2-bromo-5-(trifluoromethyl)pyridine
2-(2',4'-difluorophenyl)-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 80℃; for 24h; Suzuki Coupling; Inert atmosphere; Sealed tube; | 98% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 80℃; for 24h; | 98% |
S-Methylisothiourea sulfate
2-bromo-5-(trifluoromethyl)pyridine
2-(methylthio)-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With caesium carbonate In dimethyl sulfoxide at 80℃; for 1h; | 98% |
para-thiocresol
2-bromo-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; Sealed tube; Inert atmosphere; | 98% |
2-bromo-5-(trifluoromethyl)pyridine
Conditions | Yield |
---|---|
Stage #1: 5-(5-bromo-1-methyl-1H-pyrazol-4-yl)-7-methyl-4-(pyrrolidin-1-yl)imidazo[5,1-f][1,2,4]triazine With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -10℃; for 1h; Inert atmosphere; Stage #2: With zinc(II) chloride In tetrahydrofuran; 2-methyltetrahydrofuran at -10 - 20℃; for 1h; Inert atmosphere; Stage #3: 2-bromo-5-(trifluoromethyl)pyridine With tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In tetrahydrofuran; 2-methyltetrahydrofuran at 80℃; for 22h; Inert atmosphere; | 97% |
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IUPAC Name: 2-Bromo-5-(trifluoromethyl)pyridine
Synonyms oF 2-Bromo-5-(trifluoromethyl)pyridine (CAS NO.50488-42-1): 2-Bromo-5-(trifluoromethyl)pyridine ; 6-Bromo-3-trifluoromethylpyridine ; Buttpark 27\06-86 ; 2-Bromo-5-(trifluoromethyl)pyr ; 2-Bromo-5-(trifluoromethyl)pyridine 97% ; 2-Bromo-5-(trifluoromethyl)pyridine97% ; 2-Bromo-5-(trifuorometnyl)pyridine ; 2-Bromo-5-(trifluomethyl)pyridine -
CAS NO: 50488-42-1
Molecular Formula oF 2-Bromo-5-(trifluoromethyl)pyridine (CAS NO.50488-42-1): C6H3BrF3N
Molecular Weight: 225.9939
Index of Refraction: 1.471
Molar Refractivity: 37.01 cm3
Molar Volume: 132.3 cm3
Surface Tension: 29.7 dyne/cm
Density: 1.707 g/cm3
Flash Point: 80.4 °C
Enthalpy of Vaporization: 42.74 kJ/mol
Boiling Point: 209.3 °C at 760 mmHg
Melting Point: 44-48 °C
Vapour Pressure: 0.295 mmHg at 25 °C
Appearance: Light yellow needles
Molecular Structure:
Product Categories: Pyridine; Pyridine series; Halides; Pyridines; C6Heterocyclic Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks
Hazard Codes oF 2-Bromo-5-(trifluoromethyl)pyridine (CAS NO.50488-42-1): T,Xi,Xn
Risk Statements: 25-36/37/38-20/21/22
R25: Toxic if swallowed. R36/37/38: Irritating to eyes, respiratory system and skin. R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36/37/39-22
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. S22: Do not breathe dust.
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT