Products Categories
CAS No.: | 12129-72-5 |
---|---|
Name: | benzene,cyclohexane,vanadium |
Article Data: | 26 |
Molecular Structure: | |
Formula: | C12H12 V |
Molecular Weight: | 207.169 |
Synonyms: | Vanadium,bis(benzene)- (6CI,7CI,8CI); Benzene, vanadium complex; Bis(benzene)vanadium;Bis(h6-benzene)vanadium;Dibenzenevanadium |
Boiling Point: | 78.8 °C at 760 mmHg |
PSA: | 0.00000 |
LogP: | 2.91240 |
potassium{bis(η6-benzene)vanadium(-1)}
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
With carbon monoxide In tetrahydrofuran reaction time: 15 minutes; product in mother liquor; by-product is THF-insoluble; highly pyrophoric brownish powder; | 95% |
With carbon dioxide In tetrahydrofuran byproducts: potassium hydrogencarbonate, potassium formiate, potassium oxalate; room temperature; atmospheric pressure, CO2 reacted instantly; filtration; precipitate dried in vacuo (by-products); vacuum evaporation of mother liquor; | 95% |
With carbon dioxide In tetrahydrofuran byproducts: potassium hydrogencarbonate, potassium oxalate, potassium carbonate; sealed ampoule; THF solution saturated with CO2; composition of by-products is substantially different; |
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
With carbon dioxide In tetrahydrofuran reaction of V-complex with CO2-saturated THF in a stream of CO2; filtn., washing the THF-insoluble product with THF, drying in vacuo, evapn. of mother liquor yields V-compd.; | 83% |
Conditions | Yield |
---|---|
With AlCl3; THF; benzene In tetrahydrofuran; benzene a mixt. of VCl3, Al and AlCl3 in benzene is refluxed for 15 h under Ar, filtration, slow addn. of the lower layer to THF at room temp. during 2 h, the soln. is stirred 15 h at room temp.; cooled to -30°C overnight, filtration, washed (THF), briefly dried (vac.), the V(0)-compd. is isolated from the concd. soln. at -78°C; | A 60% B 75% |
Conditions | Yield |
---|---|
With aluminium trichloride; sodium dithionite; aluminium In benzene mixt. of VCl3, Al powder, AlCl3, and C6H6 is boiled, dild. with C6H6, and slowly poured in a well cooled 30% KOH soln. containing Na2S2O4; recryst. from diethyl ether; | 27% |
With AlCl3; Al; Na2S2O4 In benzene mixt. of VCl3, Al powder, AlCl3, and C6H6 is boiled, dild. with C6H6, and slowly poured in a well cooled 30% KOH soln. containing Na2S2O4; recryst. from diethyl ether; | 27% |
With aluminium trichloride; sodium dithionite; aluminium In benzene C6H6-VCl3-AlCl3-Al mixt. heated in a sealed tube at 150°C; hydrolysis with aq. KOH soln. containing Na2S2O4; | |
With aluminium trichloride; sodium dithionite; aluminium In benzene C6H6-VCl3-AlCl3-Al mixt. heated in a sealed tube at 150°C; hydrolysis with aq. KOH soln. containing Na2S2O4; |
tetrahydrofuran
benzene
A
(C5H5)DyI2(THF)3
B
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
In benzene Schlenk techniques; V compd. (1.1 mmol) in benzene mixed with iodide (4.54 mmol), stirred at 80°C for 10 h; filtered, solvent evapd., extd. (hexane), evapd., sublimed (100-110°C, 0.1 Torr); residue after extn. recrystd. (THF); | A 5% B 24% |
Conditions | Yield |
---|---|
With dysprosium(II) iodide In benzene under conditions precluding exposure to atm.; soln. of vanadocene in benzene added to powder DyI2 at about 20°C; mixt. heated with stirring to 85°C for 10 h; soln. sepd. from ppt.; benzene removed (vac.); residue extd. (hexane); solvent removed at room temp.; residue heated in vac. by gradually raising the temp. to 110°C; mixt. of crystals sepd. by repeated sublimation (vanadocene sublimed at 50-60...; | 15% |
tetrahydrofuran
benzene
A
(C5H5)NdI2(THF)3
B
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
In benzene Schlenk techniques; V compd. (1.93 mmol) in benzene mixed with iodide (8.69 mmol), stirred at 80°C for 10 h; filtered, solvent evapd., extd. (hexane), evapd., sublimed (100-110°C, 0.1 Torr); residue after extn. recrystd. (THF); | A n/a B 10% |
A
(C6H5C6H5)2V
B
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
With MgCl2 evapn. to dryness; sublimation at (1E-3)-(1E-4) torr, 90-120°C; recrystn. from hexane; |
bis(η(6)-benzene)vanadium
Conditions | Yield |
---|---|
With MgCl2 In diethyl ether treatment with anhydrous MgCl2 in ether, followed by hydrolysis; | |
With MgCl2 In diethyl ether treatment with anhydrous MgCl2 in ether, followed by hydrolysis; |
Conditions | Yield |
---|---|
With C6H6 In solid matrix V atoms deposited with benzene matrix at 12 K; not isolated, detected by UV, ESR; | |
With C6H6 In solid matrix V atoms deposited with benzene/Ar matrix at 12 K; not isolated, detected by UV, ESR; |