Product Name Phosphorus Tribromide CAS No 7789-60-8 Formula PBr3 Structural Formula
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inquiryProduct description: Product name Phosphorus tribromide CAS number 7789-60-8 Assay ≥99% Appearance Colorless fuming liquid Capacity 5000mt/year Application Organic synthesis
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Phosphorus tribromide Product Name: Phosphorus tribromide Molecular Weight: 270.68 CAS NO: 7789-60-8 EC NO: 232-178-2 Molecular Formula: B
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inquiryProduct Name: Phosphorus tribromide Synonyms: PHOSPHORUS TRIBROMIDE, 97%PHOSPHORUS TRIBROMIDE, 97%PHOSPHORUS TRIBROMIDE, 97%PHOSPHORUS TRIBROMIDE, 97%;Phosphorous bromide;Phosphorous tribromide;phosphorousb
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inquiryProduct name: Phosphorus Tribromide CAS No.:7789-60-8 Molecule Formula:PBr3 Molecule Weight:270.69 Purity: 99.0% Package: 200kg/drum Description:Colorless to light yellow fuming liquid Manufacture Standards:Enterprise Standard
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Conditions | Yield |
---|---|
In benzene | 93.5% |
In benzene | 93.5% |
In neat (no solvent) heating red P with I2; react. at the transition point of red P;; |
phosphorus pentabromide
butyltriethylammonium iodide
phosphorus tribromide
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: Et4NIBr2; argon atmosphere; org. compd. addn. to PBr5 (cooling to -20°C), reaction vessel connecting to vac. line; PBr3 collection (trap cooled with liq. nitrogen); | 42% |
Conditions | Yield |
---|---|
beim Erwaermen; |
Conditions | Yield |
---|---|
at 160℃; beim Erhitzen; |
butyl phosphorodibromidite
hydrogen bromide
A
1-bromo-butane
B
phosphorus tribromide
Conditions | Yield |
---|---|
at 22℃; |
butyl phosphorodibromidite
Pyridine hydrobromide
A
1-bromo-butane
B
phosphorus tribromide
Conditions | Yield |
---|---|
at 100℃; beim Erhitzen; |
dibromophosphoric acid isobutyl ester
A
t-butyl bromide
B
Isobutyl bromide
C
phosphorus tribromide
Conditions | Yield |
---|---|
at 160℃; |
dibromophosphoric acid isobutyl ester
Pyridine hydrobromide
A
t-butyl bromide
B
Isobutyl bromide
C
phosphorus tribromide
Conditions | Yield |
---|---|
at 100℃; |
dibromophosphoric acid sec-butyl ester
A
phosphorus tribromide
B
s-butyl bromide
Conditions | Yield |
---|---|
at 118℃; |
dibromophosphoric acid sec-butyl ester
hydrogen bromide
A
phosphorus tribromide
B
s-butyl bromide
dibromophosphoric acid isobutyl ester
phosphorus pentabromide
A
Isobutyl bromide
B
phosphorus tribromide
Conditions | Yield |
---|---|
at 180℃; Equilibrium constant; |
Conditions | Yield |
---|---|
o-bromo-camphor; |
Conditions | Yield |
---|---|
Zerfaellt beim Erhitzen; |
Conditions | Yield |
---|---|
at 180℃; Equilibrium constant; |
phosphonic Acid
bromine
A
phosphoric acid
B
hydrogen bromide
C
phosphorus tribromide
Conditions | Yield |
---|---|
In neat (no solvent) heating an excess of H3PO3 with Br2 in a sealed tube at 100 °C;; | |
In neat (no solvent) heating an excess of H3PO3 with Br2 in a sealed tube at 100 °C;; |
Conditions | Yield |
---|---|
In further solvent(s) in PBr3 soln.; |
Conditions | Yield |
---|---|
In gas by distn. over Hg2Br2; |
Conditions | Yield |
---|---|
In gas by distn. over HgBr2; |
hydrogen bromide
phosphorus tribromide
Conditions | Yield |
---|---|
With phosphorus trichloride | |
With PCl3 |
phosphorus tribromide
Conditions | Yield |
---|---|
With bromine In benzene |
Conditions | Yield |
---|---|
With bromine at room temp.; |
Conditions | Yield |
---|---|
at higher temp. and reduced pressure;; | |
at higher temp. and reduced pressure;; |
Conditions | Yield |
---|---|
In neat (no solvent) formation of small amount PBr3;; | |
In neat (no solvent) formation of small amount PBr3;; |
iodine
phosphorus pentabromide
A
IBr5
B
phosphorus tribromide
Conditions | Yield |
---|---|
In not given |
phosphorus(V) bromide
iodine
A
IBr5
B
phosphorus tribromide
Conditions | Yield |
---|---|
In neat (no solvent) formation of red liquid containing PBr3 and IBr5;; | |
In neat (no solvent) formation of red liquid containing PBr3 and IBr5;; |
Conditions | Yield |
---|---|
In not given | A 0% B n/a |
N(C2H5)4(1+)*PCl(CN)3(1-)=(N(C2H5)4)(PCl(CN)3)
bromine
mer-trichlorotricyanophosphate(1-)
B
phosphorus tribromide
Conditions | Yield |
---|---|
In dichloromethane |
N(C2H5)4(1+)*PCl(CN)3(1-)=(N(C2H5)4)(PCl(CN)3)
tetra-n-propylammonium bromide
bromine
D
phosphorus tribromide
Conditions | Yield |
---|---|
In dichloromethane under N2, Br2 added dropwise to soln. of (NEt4)(PCl(CN)3) contg. excessof N(n-C3H7)4Br; monitored by (31)P NMR spectra; |
Conditions | Yield |
---|---|
In neat (no solvent) reaction of Br2 in CO2 (as carrier gas) with dry P;; | |
In tetrachloromethane slowly dropping Br2 to P in CCl4;; | |
In neat (no solvent) reaction in CO2 atmosphere;; |
(4-methoxy-2-(trifluoromethyl)phenyl)methanol
phosphorus tribromide
4-methoxy-2-(trifluoromethyl)benzyl bromide
Conditions | Yield |
---|---|
In hexane; 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran | 100% |
phosphorus tribromide
2-(2-bromomethylphenyl)-N-(3-Fluoro-2'-methanesulfonyl-biphenyl-4-yl)acetamide
Conditions | Yield |
---|---|
In dichloromethane | 98% |
tert.-butyl lithium
phosphorus tribromide
1,1-dimethylethyldibromophosphane
Conditions | Yield |
---|---|
In pentane at -80 - 20℃; for 12.5h; Schlenk technique; Inert atmosphere; | 98% |
diboron tetrabromide
phosphorus tribromide
bis(tribromophosphane)-tetrabromodiborane(4)
Conditions | Yield |
---|---|
In neat (no solvent) high vac. or inert atmosphere; condensation of B-compd. and P-compd. into a flask, slow warming of the mixt. to room temp. in the sealed flask with vigorous shaking; elem. anal.; | 97% |
Conditions | Yield |
---|---|
With bromine | 96% |
fluorosulfonyldifluoroacetyl fluoride
bromine
phosphorus tribromide
fluorosulfonyldifluoroacetyl bromide
Conditions | Yield |
---|---|
heating, 80°C, 1 h; | 95% |
heating, 80°C, 1 h; | 95% |
tricarbonyl[C6H4(CH2OH)2]chromium(0)
phosphorus tribromide
[Cr(η6-C6H4(CH2Br)2-1,4)(CO)3]
Conditions | Yield |
---|---|
In diethyl ether a soln. of PBr3 in Et2O was slowly added to a soln. of complex in Et2O cooled to 0°C under N2, the mixt. was stirred at 0°C for 2-2.5 h, then stirred at room temp. for 2.5-18 h; H2O was added, the ether layer was washed with H2O, dried over MgSO4, filtered, the solvent was removed under reduced pressure; | 94% |
phosphorus tribromide
4-ferrocenylbenzylbromide
Conditions | Yield |
---|---|
In dichloromethane soln. of PBr3 in CH2Cl2 added dropwise to soln. of ferrocene deriv. in CH2Cl2 at 0°C, mixt. stirred at 0°C for 30 min; mixt. poured onto ice, neutralised with satd. aq. NaHCO3, org. phase sepd., aq. phase extd. with CH2Cl2, combined org. phases washed with brine,dried over MgSO4, filtrate evapd. under vac.; elem. anal.; | 94% |
Conditions | Yield |
---|---|
In toluene at -152℃; for 4h; Heating / reflux; | 93% |
2,2'-bis(hydroxymethyl)biphenyl
phosphorus tribromide
2,2'-bis-(bromomethyl)-1,1'-biphenyl
Conditions | Yield |
---|---|
In CaCl2; dichloromethane; water | 93% |
Conditions | Yield |
---|---|
In methanol; dichloromethane; ethyl acetate | 92% |
(benzyl alcohol)tricarbonylchromium(0)
phosphorus tribromide
[Cr(η6-C6H5CH2Br)(CO)3]
Conditions | Yield |
---|---|
In diethyl ether a soln. of PBr3 in Et2O was slowly added to a soln. of complex in Et2O cooled to 0°C under N2, the mixt. was stirred at 0°C for 2-2.5 h, then stirred at room temp. for 2.5-18 h; H2O was added, the ether layer was washed with H2O, dried over MgSO4, filtered, the solvent was removed under reduced pressure; elem. anal.; | 92% |
[Cr(η6-C6(CH3)3(CH2OH)3-1,3,5)(CO)3]
phosphorus tribromide
[Cr(η6-C6(CH3)3(CH2Br)3-2,4,6)(CO)3]
Conditions | Yield |
---|---|
In diethyl ether a soln. of PBr3 in Et2O was slowly added to a soln. of complex in Et2O cooled to 0°C under N2, the mixt. was stirred at 0°C for 2-2.5 h, then stirred at room temp. for 2.5-18 h; H2O was added, the ether layer was washed with H2O, dried over MgSO4, filtered, the solvent was removed under reduced pressure; elem. anal.; | 91% |
2.6-bis(hydroxymethyl)pyridine
phosphorus tribromide
2,6-bis-(bromomethyl)pyridine
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere; | 91% |
3-Phenyl-2-propyn-1-ol
phosphorus tribromide
1-bromo-3-phenylprop-2-yne
Conditions | Yield |
---|---|
With pyridine In diethyl ether | 90% |
With pyridine In diethyl ether | 90% |
potassium hydrogenfluoride
phosphorus tribromide
trifluorophosphane
Conditions | Yield |
---|---|
In acetonitrile byproducts: KBr, HBr; PBr3 in MeCN was slowly added to a boiling suspn. of KHF2 in MeCN;; the gaseous prod. was condensed in trap cooled by liq. N2 and distd. at -100°C; elem. anal.; IR; | 90% |
Conditions | Yield |
---|---|
In carbon disulfide mixed (with stirring at -40°C), stirred (15 min); filtered, solv. removed (in vac. at room temp.); | 90% |
phosphorus tribromide
A
bromobis(2,4,6-trimethylborazinyl)phosphane
B
lithium bromide
Conditions | Yield |
---|---|
In diethyl ether; hexane under inert gas; soln. of borazine (3.26 mmol) in mixt. of hexane (10 ml) and Et2O (10 ml) added to soln. of PBr3 (1.63 mmol) in hexane; stirredovernight; LiBr removed by filtration; evapd. (vac.) by 2/3 of volume; kept (5°C, wk); elem. anal.; | A 80% B 90% |
Conditions | Yield |
---|---|
In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; | 87% |
phosphorus tribromide
Conditions | Yield |
---|---|
With sodium carbonate In chloroform; water | 86% |
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene byproducts: LiBr; (N2); soln. of Li compd. in THF was added to soln. of PBr3 in toluene at-40°C; after 5 min mixt. was warmed to room temp.; after 3.5 h filtered; volatiles removed (vac.); hexane added; soln. transferred into Schlenk vessel; solvent removed; elem. anal.; | 86% |
Conditions | Yield |
---|---|
With bis(trimethylsilyl)selenide at 20℃; for 8h; Inert atmosphere; | 86% |
phosphorus tribromide
(E:Z)-3-(2-bromophenyl)prop-2-en-1-ol
(E)-1-bromo-2-(3-bromoprop-1-en-1-yl)benzene
Conditions | Yield |
---|---|
In tetrachloromethane | 85% |
In tetrachloromethane | 85% |
phosphorous
Ag[Al(OtBuF)4]*dichloromethane
phosphorus tribromide
P5Br2(1+)*[Al(OC(CF3)3)4](1-)=P5Br2[Al(OC(CF3)3)4]
Conditions | Yield |
---|---|
In dichloromethane byproducts: AgBr; P4 added to solid Ag(Al(OC(CF3)3)4)*CH2Cl2; then PBr3 added at 77 K; CH2Cl2 condensed onto mixt.; allowed to stir at -78 °C for 8 h; thenstored at -80 °C for 10 d with shaking; soln. filtered; its vol. reduced at 0 °C; cooled to -30 °C; | 85% |
phosphorus tribromide
dibromo(2,4,6-trimethylborazinyl)phosphane
Conditions | Yield |
---|---|
In diethyl ether; hexane byproducts: LiBr; under inert gas; soln. of borazine (1.78 mmol) in mixt. of hexane (10 ml) and Et2O (10 ml) added to soln. of PBr3 (1.78 mmol) in hexane; stirredovernight; LiBr removed by filtration; evapd. (vac.); oil aged for mo; elem. anal.; | 85% |
Conditions | Yield |
---|---|
In dichloromethane (inert atm.); addn. of 1 equiv. of phosphorus tribromide to aluminium compd. in CH2Cl2 at -78°C, keeping at -80°C overnight; filtration, concg., keeping at -30°C for few d, isolation of crystals, NMR and IR; | 84.1% |
In dichloromethane-d2 (inert atm.); addn. of 1 equiv. of phosphorus tribromide to aluminium compd. in CD2Cl2 at -78°C, keeping at -80°C overnight; not isolated, NMR; |
boron tribromide
phosphorus tribromide
phosphorus tribromide-boron tribromide
Conditions | Yield |
---|---|
In carbon disulfide mixed (with stirring at -40°C), stirred (15 min); filtered, solv. removed (in vac. at room temp.); | 83% |
2,3-dichlorobenzyl alcohol
phosphorus tribromide
1-(bromomethyl)-2,3-dichlorobenzene
Conditions | Yield |
---|---|
In toluene | 83% |
potassium hexafluorophosphate
phosphorus tribromide
Conditions | Yield |
---|---|
Stage #1: C26H32N4O2(2+)*2Br(1-); phosphorus tribromide In N,N-dimethyl-formamide at 50℃; for 12h; Stage #2: potassium hexafluorophosphate In water | 82% |
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