Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at 25℃; for 0.166667h; Inert atmosphere; Microwave irradiation; Anhydrous conditions; | 95% |
Conditions | Yield |
---|---|
With ammonia; copper In water at 260℃; for 1.25h; Temperature; Reagent/catalyst; | 94.9% |
In quinoline |
Conditions | Yield |
---|---|
With [(bis(diisopropylphosphino)ethane)Ni(H)]2; triethylphosphine In 1,4-dioxane at 120℃; for 72h; | 94% |
With C32H46N2Ru; sodium carbonate; isopropyl alcohol at 70℃; for 6h; Inert atmosphere; Schlenk technique; Glovebox; | 63% |
With (1,3-dimethylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 25h; | 19% |
2,4,5-trifluorobenzaldehyde
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With triethylsilane; C18H51CoP4Si In tetrahydrofuran at 50℃; for 6h; Inert atmosphere; | 94% |
2,3,5,6-tetrafluorothiophenol
A
1,2,4,5-tetrafluoro-3-(trifluoromethyl)benzene
B
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With water; triethylphosphine In 1,4-dioxane at 120℃; for 4h; Schlenk technique; Inert atmosphere; Glovebox; | A 90% B 10% |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
In diethyl ether at 120 - 180℃; for 6h; | 82% |
Conditions | Yield |
---|---|
Stage #1: 2,4-difluorophenylamine With sodium tetrafluoroborate; nitrosylsulfuric acid; acetic acid at -5 - 20℃; Stage #2: at 250℃; Inert atmosphere; | 80% |
Stage #1: 2,4-difluorophenylamine With hydrogenchloride; fluoroboric acid; sodium nitrite In water at 25℃; for 0.00555556h; Balz-Schiemann Reaction; Stage #2: In 1,2-dichloro-benzene at 200℃; for 0.0166667h; Balz-Schiemann Reaction; | 72% |
Conditions | Yield |
---|---|
With potassium fluoride; C6H11BO3 In sulfolane (tetramethylene sulfone) at 245℃; for 3h; Inert atmosphere; | 78% |
Hexafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
Pentafluorobenzene
D
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With (1,3-dimethylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 25h; | A 74% B 3% C 18% D 4% |
Pentafluorobenzene
A
para-difluorobenzene
B
1,2,4,5-Tetrafluorobenzene
C
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With C32H46N2Ru; sodium carbonate; isopropyl alcohol at 70℃; for 4h; Inert atmosphere; Schlenk technique; Glovebox; | A 7% B 60% C 21% |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
at 185℃; for 1h; Decomposition; | 52% |
Pyrolysis; |
Conditions | Yield |
---|---|
With C32H46N2Ru; sodium carbonate; isopropyl alcohol at 70℃; for 6h; Inert atmosphere; Schlenk technique; Glovebox; | 48% |
With H2SiEt2; tetrabutylammonium triphenyldifluorosilicate In tetrahydrofuran; benzene-d6 at 100℃; for 40h; Inert atmosphere; Sealed tube; | 18% |
1,2,4,5-Tetrafluorobenzene
A
para-difluorobenzene
B
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
Stage #1: 1,2,4,5-Tetrafluorobenzene With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; [(HC[(CMe)N(2,4,6-Me3C6H2)]2)Al(H)2] In benzene-d6; benzene at 100℃; for 8h; Inert atmosphere; Glovebox; Sealed tube; Stage #2: With methanol In benzene-d6; benzene at 100℃; for 2h; Catalytic behavior; Inert atmosphere; Glovebox; Sealed tube; regioselective reaction; | A 19.5% B 47% |
1,2,3,5-tetrafluorobenzene
A
1,2,3-trifluorobenzene
B
1,3-Difluorobenzene
C
para-difluorobenzene
D
ortho-difluorobenzene
E
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
Stage #1: 1,2,3,5-tetrafluorobenzene With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; [(HC[(CMe)N(2,4,6-Me3C6H2)]2)Al(H)2] In benzene-d6; benzene at 100℃; for 8h; Inert atmosphere; Glovebox; Sealed tube; Stage #2: With methanol In benzene-d6; benzene at 100℃; for 2h; Catalytic behavior; Inert atmosphere; Glovebox; Sealed tube; Overall yield = 69.5 %; regioselective reaction; | A 8.5% B 9.5% C 7% D 5.5% E 39% |
ortho-difluorobenzene
A
1,2,4-trifluorobenzene
B
5,5,6,6-tetrafluoro-1,3-cyclohexadiene
C
2,3,3,6-tetrafluoro-1,4-cyclohexadiene
Conditions | Yield |
---|---|
With silver(II) fluoride In hexane for 2h; Product distribution; Heating; | A 3% B 15.7% C 28% |
With silver(II) fluoride In hexane for 2h; Heating; | A 3% B 15.7% C 28% |
Conditions | Yield |
---|---|
Raumtemperatur; | |
at 20℃; |
Conditions | Yield |
---|---|
durch Nitrierung, Reduktion, Diazotierung und Zersetzung des entsprechenden Diazoniumbortetrafluorids durch Erhitzen; |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
Pyrolysis; |
Conditions | Yield |
---|---|
With sulfur tetrafluoride; hydrogen fluoride at 200℃; |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With (thermolysis) at 79.9℃; Rate constant; |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With (thermolysis) at 79.9℃; Rate constant; |
1,2,5-trifluorobicyclo<2.2.0>hexa-2,5-diene
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
at 79.9℃; Rate constant; gas-phase thermal isomerization; |
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol Heating; | |
palladium-carbon |
hexafluoro-1,3-butadiene
buta-1,3-diene
A
1,2,3-trifluorobenzene
B
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With pyrographite; hydroquinone 1. heating, 2. pyrolysis; Multistep reaction; |
hexafluoro-1,3-butadiene
buta-1,3-diene
A
1,2,3-trifluorobenzene
B
1,2,4-trifluorobenzene
C
1,2,2,5,6,6-hexafluorotricyclo<3.3.0.06,8>octane
Conditions | Yield |
---|---|
With pyrographite; hydroquinone 1. heating, 2. pyrolysis; Multistep reaction; |
benzene
A
fluorobenzene
B
para-difluorobenzene
C
ortho-difluorobenzene
D
1,2,4,5-Tetrafluorobenzene
E
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With tetrafluoroammonium tetrafluoroborate In hydrogen fluoride at 0℃; Product distribution; NF4BF4 to benzene ratio; | A 33 % Spectr. B 27 % Spectr. C 7 % Spectr. D 15 % Spectr. E 18 % Spectr. |
benzene
A
fluorobenzene
B
para-difluorobenzene
C
ortho-difluorobenzene
D
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With tetrafluoroammonium tetrafluoroborate In hydrogen fluoride at 0℃; Further byproducts given. Title compound not separated from byproducts; | A 33 % Spectr. B 27 % Spectr. C 7 % Spectr. D 18 % Spectr. |
benzene
A
1,2,4-trifluorobenzene
B
cyclohexa-1->5-dienylium
Conditions | Yield |
---|---|
at 26.9℃; Rate constant; Kinetics; Thermodynamic data; ΔH(excit.), ΔS(excit.); |
1,3-Difluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; fluorine In trichlorofluoromethane at -15℃; for 3h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
para-difluorobenzene
A
1,2,4-trifluorobenzene
B
2,5-difluorophenol
C
4H/5H-3,3,4,5,6,6-Hexafluor-cyclohexen
D
3,3,6,6-tetrafluoro-1,4-cyclohexadiene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; fluorine In trichlorofluoromethane at -25℃; for 3h; Further byproducts given. Title compound not separated from byproducts; |
1,2,4-trifluorobenzene
1,2,4-trifluoro-3-nitrobenzene
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 50℃; for 4h; Temperature; | 99.2% |
sodium cyanide
dichloromethane
1,2,4-trifluorobenzene
(2,4,5-trifluorophenyl)acetic acid
Conditions | Yield |
---|---|
Stage #1: sodium cyanide With sodium stearate; nitrobenzene; sodium hydroxide In water at 115℃; under 3420.23 Torr; for 0.75h; Inert atmosphere; Stage #2: dichloromethane; 1,2,4-trifluorobenzene at 6 - 142℃; under 2280.15 - 5320.36 Torr; for 6h; Solvent; Pressure; Reagent/catalyst; Further stages; | 99.2% |
(tri-tert-butylphosphane)gold(I) chloride
1,2,4-trifluorobenzene
((CH3)3C)3PAuC6H2F3
Conditions | Yield |
---|---|
With Ag2O; K2CO3; pivalic acid In dimethylformamide react. gold complex with arene in DMF at 50°C for 2 h in the presence of Ag2O, K2CO3 and pivalic acid; | 99% |
Conditions | Yield |
---|---|
With bromine; acetic acid at 20℃; for 2h; Reagent/catalyst; Temperature; | 98.7% |
With bromine; iron Reagent/catalyst; Inert atmosphere; | 92% |
With bromine; iron |
dichloromethane
1,2,4-trifluorobenzene
(2,4,5-trifluorophenyl)acetic acid
Conditions | Yield |
---|---|
Stage #1: potassium cyanide With sodium stearate; nitrobenzene; potassium hydroxide In water at 100℃; under 2280.15 Torr; for 0.5h; Inert atmosphere; Stage #2: dichloromethane; 1,2,4-trifluorobenzene at 6 - 130℃; under 2280.15 - 3800.26 Torr; Further stages; | 98.2% |
Conditions | Yield |
---|---|
Stage #1: 1,2,4-trifluorobenzene With n-butyllithium; diisopropylamine In tetrahydrofuran at -70 - -40℃; for 0.5h; Stage #2: dimethylglyoxal In tetrahydrofuran at -70 - -45℃; for 1h; Stage #3: With water; acetic acid In tetrahydrofuran | 98% |
1,2,4-trifluorobenzene
chloroacetyl chloride
2,4,5-trifluoro-α-chloroacetophenone
Conditions | Yield |
---|---|
With aluminium trichloride Acylation; | 95% |
With aluminum (III) chloride at 70℃; for 16h; | 93% |
aluminium chloride In ice-water; dichloromethane |
4-ethylpiperazine
1,2,4-trifluorobenzene
1,2,4-triazolo<4,3-a>pyridin-3-thiol
Conditions | Yield |
---|---|
With sodium sulfide; lithium hydroxide In N,N-dimethyl-formamide at 80℃; for 12h; | 95% |
methyl-4-bromo-2-butenoate
1,2,4-trifluorobenzene
(E)-4-(2,4,5-trifluoro-phenyl)-but-2-enoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: 1,2,4-trifluorobenzene With isopropylmagnesium chloride In tetrahydrofuran at -20 - -10℃; for 1h; Inert atmosphere; Stage #2: methyl-4-bromo-2-butenoate With N,N,N,N,-tetramethylethylenediamine; cobalt(II) bromide In tetrahydrofuran at -20 - 0℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water | 93% |
(triphenylphosphine)gold(I) chloride
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With potassium carbonate; silver(l) oxide; Trimethylacetic acid In N,N-dimethyl-formamide at 50℃; for 16h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); 18-crown-6 ether; 2-[bis((3,5-dimethyl-4-methoxyphenyl)phosphino)phenyl]ether; isopropylmagnesium chloride In tetrahydrofuran; 1,4-dioxane; 1,2-dimethoxyethane at 40℃; for 2h; | 91% |
Conditions | Yield |
---|---|
With aluminum (III) chloride at 70℃; for 12h; | 90.4% |
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran at -70 - -45℃; for 0.5h; | 90.2% |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide With AuOH(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene); potassium hydroxide In tetrahydrofuran at 20℃; under 1125.11 Torr; for 0.25h; Stage #2: 1,2,4-trifluorobenzene In tetrahydrofuran at 20℃; under 1125.11 Torr; for 12h; Stage #3: With hydrogenchloride In tetrahydrofuran; water regioselective reaction; | 88% |
Stage #1: carbon dioxide; 1,2,4-trifluorobenzene With cesium hydroxide; (hydroxido){N,N'-bis(2,6-diisopropylphenyl)imidazol-2-ylidene}copper(I) In tetrahydrofuran at 65℃; for 8h; Inert atmosphere; Stage #2: With hydrogenchloride In water Inert atmosphere; regioselective reaction; | 85% |
Stage #1: 1,2,4-trifluorobenzene With n-butyllithium In tetrahydrofuran at -70℃; Metallation; Stage #2: carbon dioxide In tetrahydrofuran Carboxylation; |
1,2,4-trifluorobenzene
4-methoxyphenylacetylen
1,2-difluoro-4-((4-methoxyphenyl)ethynyl)benzene
Conditions | Yield |
---|---|
With butyl magnesium bromide; sodium methylate; sodium; calcium hydroxide In tetrahydrofuran at 0℃; for 0.0916667h; Sonogashira Cross-Coupling; Inert atmosphere; Reflux; | 88% |
Conditions | Yield |
---|---|
With aluminium trichloride at 80℃; for 24h; Acylation; | 87% |
With aluminium trichloride 1.) 50 deg C, 1 h, 2.) 80 deg C, 22 h; Yield given. Multistep reaction; | |
Acetylation; |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In N,N-dimethyl-formamide; toluene at 0 - 20℃; for 16h; Inert atmosphere; Schlenk technique; regioselective reaction; | 86% |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 70℃; Sealed tube; Schlenk technique; Inert atmosphere; | 85% |
dichloroacethyl chloride
1,2,4-trifluorobenzene
2,4,5-trifluoromandelic acid
Conditions | Yield |
---|---|
Stage #1: dichloroacethyl chloride; 1,2,4-trifluorobenzene; aluminum (III) chloride at 60℃; Stage #2: With sodium hydroxide; water at 60℃; Stage #3: With hydrogenchloride In water at 0 - 20℃; pH=1; | 84% |
Conditions | Yield |
---|---|
With [Cu(1,3-di-iso-propylimidazolin-2-ylidene)(Cl)]; sodium t-butanolate In tetrahydrofuran at 60℃; for 12h; Inert atmosphere; Schlenk technique; Glovebox; | 84% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; potassium acetate In N,N-dimethyl acetamide at 150℃; for 16h; Inert atmosphere; regioselective reaction; | 84% |
With potassium acetate; palladium diacetate In N,N-dimethyl acetamide at 150℃; for 16h; Inert atmosphere; regioselective reaction; | 72% |
1,2,4-trifluorobenzene
1,2,5-trifluoro-3-nitrobenzene
Conditions | Yield |
---|---|
With 2CF3SO3H-B(OSO2CF3)3; nitric acid at 20℃; for 3h; | 83% |
4-methylphenyl methylsulfide
1,2,4-trifluorobenzene
2,3,6-trifluoro-4′-methyl-1,1′-biphenyl
Conditions | Yield |
---|---|
With [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl) palladium(II) dichloride; 2,2,6,6-tetramethylpiperidinylzinc chloride lithium chloride complex In tetrahydrofuran at 80℃; for 7h; Inert atmosphere; regioselective reaction; | 83% |
1,2,4-trifluorobenzene
bis(pinacol)diborane
Conditions | Yield |
---|---|
With bis(1,3-dimesityl-1H-imidazol-2(3H)-ylidene)nickel(0); C32H41O6P2Rh; cesium fluoride In 1,3,5-trimethyl-benzene at 25℃; for 6h; Irradiation; Inert atmosphere; Sealed tube; regioselective reaction; | 82% |
Conditions | Yield |
---|---|
at 80℃; for 4h; Inert atmosphere; regioselective reaction; | 82% |
The Molecular formula of 1,2,4-Trifluorobenzene(367-23-7) : C6H3F3
The Molecular Weight of 1,2,4-Trifluorobenzene(367-23-7) : 132.08
Boiling point : 88-91°C
Density: 1.264
Flash point: 4°C
Refractive index: 1.422-1.424
1,2,4-Trifluorobenzene(367-23-7) is highly flammable.
1,2,4-Trifluorobenzene(367-23-7) is irritating to eyes、respiratory system and skin.
Keep 1,2,4-Trifluorobenzene(367-23-7) away from sources of ignition.
WGK Germany:3
RIDADR:UN 1993 3/PG 2
Hazard Note:Flammable
HazardClass:3
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