CAS No.12129-72-5,benzene,cyclohexane,vanadium Suppliers

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Basic Information

Molecular Structure:
CAS No.:	12129-72-5
Name:	benzene,cyclohexane,vanadium
Article Data:	26

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

Synthetic route

: 117619-06-4
potassium{bis(η6-benzene)vanadium(-1)}

: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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;

: potassium{bis(η6-benzene)vanadium(-1)}*1.25tetrahydrofuran

: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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%

: 7718-98-1
vanadium(III) chloride

: 7429-90-5
aluminium

A: 12129-72-5
bis(η(6)-benzene)vanadium

B: {V2(μ-Cl)3(THF)6}{AlCl4}

Conditions

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%

...Expand

: 7718-98-1
vanadium(III) chloride

: 71-43-2
benzene

: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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;

: 109-99-9
tetrahydrofuran

: dysprosium(II) iodide

: vanadocene

: 71-43-2
benzene

A: 698392-40-4
(C5H5)DyI2(THF)3

B: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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%

...Expand

: vanadocene

: 71-43-2
benzene

: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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%

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%

: 109-99-9
tetrahydrofuran

: neodymium(II) diiodide

: vanadocene

: 71-43-2
benzene

A: 698392-39-1
(C5H5)NdI2(THF)3

B: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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%

...Expand

: 4Li(1+)*V(C6H5)6(4-)*3.5(C2H5)2O=Li4V(C6H5)6*3.5(C2H5)2O

A: 12185-35-2
(C6H5C6H5)2V

B: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

Conditions	Yield
With MgCl2 evapn. to dryness; sublimation at (1E-3)-(1E-4) torr, 90-120°C; recrystn. from hexane;

: 4Li(1+)*V(2+)*6C6H5(1-)*3.5(C2H5)2O=Li4V(C6H5)6*3.5(C2H5)2O

: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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;

: 7440-62-2
vanadium

A: 61332-91-0
monobenzene vanadium

B: 12129-72-5
bis(η(6)-benzene)vanadium

Conditions

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;

Downstream Products

7440-62-2