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inquiryVanadyl acetylacetonate Basic information Reaction Product Name: Vanadyl acetylacetonate Synonyms: Vanadium(IV)-oxy acetylacetonate, VO(acac)2;Vanadyl acetylacetonate ,98%;Vanadium(4) oxide diacetylacetonate;Vanadium(IV) oxide di(4-oxo-2-penten
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inquiryVanadyl acetylacetonateAppearance:White powder Storage:Store in well-closed container, protected from light and in cool & dry place. Package:according to customers' requirements Application:The product is used for pharmaceutical research and developm
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inquiryConditions | Yield |
---|---|
With dihydrogen peroxide In water dissolving V2O5 in a mixture of 30% H2O2 and water, stirring in a beaker, ice bath temp.; dropwise addn. of acetylacetone to the resultant red soln., stirring; cooling of hot mixture to room temp.; warming over boiling water bath, 15min; pptn.;; filtration; washing with water (3-4times); drying in vac. over fused CaCl2; elem. anal.;; | 86% |
With dihydrogen peroxide In water H2O2 added dropwise to aq. suspn. of V2O5 under cooling and stirring; acetylacetone added under stirring; mixt. heated at 70°C for 15 minunder vigorous stirring; soln. concd. on steam bath; ppt. filtered, washed with acetone and dried under vac. over fused CaCl2; | 80% |
With sulfuric acid; sodium carbonate In ethanol; water V2O5 dissolved in distd. water, H2SO4 and EtOH; heated slowly on hot plate with stirring; filtered; ligand (4.5 equiv.) added to filtrate; Na2CO3 soln. added; filtered; ppt. dried over silica gel under reduced pressure; recrystd. from CH2Cl2; | 70% |
Conditions | Yield |
---|---|
With tert-butylammonium hexafluorophosphate(V) In acetylacetone Electrochem. Process; tetra-n-butylammonium hexafluorophosphate added to dry acetylacetone, V electrode, 300 V, 10-50 mA, ca. 10 h; evapd. under vac., solid washed twice with hexane and twice with petroleum ether; | 47.7% |
acetylacetone
A
tris(acetylacetonato)vanadium(III)
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
byproducts: H2O, H2; evaporation of V2O3; IR, MS; | A 23% B 4.1% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
With CH3COCH2COCH3 In toluene refluxed with stoichiometric amt. of acac for 24-30 h; filtering; elem. anal.; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
With sodium acetate; acetylacetone In methanol; water (N2); a soln. of VOSO4 in water added to a soln. of acetylacetone in methanol and stirred for 10 min; a soln. of sodium acetate in water added over 10 min and stirred for 1 h; pptd.; filtered; washed with methanol and water; dried in vacuo; |
Conditions | Yield |
---|---|
With potassium carbonate In methanol; water an aq. sol. of VOSO4 added to the stirred mixt. of Hacac in MeOH/H2O (1/1), stirred for 5 min, an aq. sol. of K2CO3 added over 1 h, pptn.; filtered, washed (water), dried, extd. by Soxhlet (Et2O), sublimed in vac. (170°C/0.1 mm Hg); | |
In water shaking a solution of VOSO4 in H2O with acetylacetone in presence of Na2CO3;; | |
In sulfuric acid addition of a solution of acetylacetone in ethanol to a solution of VOSO4 in aq. H2SO4 and neutralization with 10 % Na2CO3;; |
Conditions | Yield |
---|---|
In water byproducts: H(1+); reaction in water;; | |
In water byproducts: H(1+); reaction in water;; |
Conditions | Yield |
---|---|
solvation of VO(OH)2 in warm acetylacetone and cooling down;; crystallization; washing with alcohol;; | |
solvation of VO(OH)2 in warm acetylacetone and cooling down;; crystallization; washing with alcohol;; |
bis(acetylacetonate)oxovanadium
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
With CH3COCH2COCH3 In water 1:2 mol ratio V-compd.:acac; dropwise mixing for 30 min; agitating for 15 min; filtering; neutralizing the filtrate with aq. Na2CO3; elem. anal.; | |
With CH3COCH2COCH3 In ethanol 1:2 mol ratio V-compd.:acac ; dropwise mixing for 30 min; agitating for 15 min; filtering; neutralizing the filtrate with aq. Na2CO3; elem. anal.; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
hydrolysis;; | |
hydrolysis;; | |
With H2O hydrolysis on moist air;; |
bis(acetylacetonate)oxovanadium
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: NH3; under flowing nitrogen atmosphere; heating rate of 1 or 10°C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10 °C/min; TG; IR; DSC; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: 4-CH3-pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10 °C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: 4-CN-pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10°C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: 4-C2H5-pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10°C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: 3-Br-pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10°C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
prolonged storing;; |
tris(acetylacetonato)vanadium(III)
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
oxydation on moist air;; | |
oxydation on moist air;; |
Conditions | Yield |
---|---|
In not given addition of acetylacetone to a V(4+) salt solution and neutralization with Na2CO3;; precipitation;; | |
In water byproducts: (VO(C5H7O2))(1+); |
Conditions | Yield |
---|---|
extraction with acetylacetone or acetylacetone/CHCl3 (1 : 1);; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
With air In dichloromethane byproducts: 3,5-di-tert.-butylquinone, muconic acid anhydride, 2-pyrone; keeping soln. in air for 15 min.; IR, ESR; not isolated; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In o-xylene byproducts: SbCl3; under reflux for 24 h; filtering off; distilling off; sublimation; |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) Kinetics; byproducts: 3-CN-pyridine; under flowing nitrogen atmosphere; heating rate of 1 or 10°C/min; TG; IR; |
bis(acetylacetonate)oxovanadium
2-hydroxyacetophenone semicarbazone
Conditions | Yield |
---|---|
In dichloromethane soln. of semicarbazone in CH2Cl2 added to soln. of V compd. in CH2Cl2; stored at room temp. for 24 h; | 100% |
In methanol soln. of semicarbazone in CH3OH added to soln. of V compd. in CH3OH; mixt. stirred for 20 min; concd.; stored at room temp. for 24 h; crystals filtered off; dried under vac.; elem. anal.; | 41% |
bis(acetylacetonate)oxovanadium
tris(pentafluorophenyl)borate
[V(OB(C6F5)3)(CH3COCHCOCH3)2]*C7H8
Conditions | Yield |
---|---|
In toluene (N2); stirring (room temp., 2 h); removal of solvent (vac.), washing (pentane), extn. (toluene), concn., crystn. upon cooling to -20°C; elem. anal.; | 99% |
Conditions | Yield |
---|---|
With air In acetone byproducts: acetylacetone; stirring (2 d); filtration, washing (acetone), drying (vac.); | 98% |
bis(acetylacetonate)oxovanadium
2-(1H-benzo[d][1,2,3]triazol-1-yl)-4-methylphenol
Conditions | Yield |
---|---|
In toluene (N2); mixing hot solutions; pptn. on standing (room temp.), filtn., washing (toluene), drying; elem.anal.; | 98% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 2h; | 98% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 4h; Inert atmosphere; | 97.2% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In 1,2,5-trimethyl-benzene heating (2 h, 180°C); evapn. (vac., 80-90°C), dissoln. (pentane), cooling (0°C), filtration, washing (cold pentane), drying (vac.); elem. anal.; | 97% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In dichloromethane byproducts: sodium acetylacetonate; addn. V compd. to soln. of Fe compd., stirring (1 h, room temp.); evapn. (air), filtered off, washing (ice cold H2O), drying (vac., P4O10); elem. anal.; | 97% |
bis(acetylacetonate)oxovanadium
N,N'-bis(3,5-dichlorosalicylidene)-1,2-ethylenediamine
Conditions | Yield |
---|---|
In acetonitrile (N2); reflux; filtration while hot, washing (cold MeCN; Et2O); | 97% |
In acetonitrile (N2); reflux (20 min); filtration while hot, washing (MeCN; Et2O); elem. anal.; | 96% |
bis(acetylacetonate)oxovanadium
1-(2-hydroxyphenyl)ethanone benzoylhydrazone
diethylamine
Conditions | Yield |
---|---|
In methanol to warm MeOH soln. of hydrazone deriv. added MeOH soln. of VO(acac)2 with stirring; then MeOH soln. of amine added with stirring at room temp.; mixt. stirred for 1 h at 60°C; slowly evapd. at room temp.; ppt. filtered, washed with MeOH; dried oversilica gel; elem. anal.; | 96% |
8-quinolinol
bis(acetylacetonate)oxovanadium
oxidobis(quinolin-8-olato)vanadium(IV)
Conditions | Yield |
---|---|
In acetone at 20℃; | 96% |
In toluene Inert atmosphere; Schlenk technique; | |
In dichloromethane at 30℃; for 2h; |
methanol
bis(acetylacetonate)oxovanadium
N,N’-(1,2-phenylene)bis(2-hydroxybenzamide)
sodium hydroxide
Conditions | Yield |
---|---|
for 12h; Reflux; | 96% |
bis(acetylacetonate)oxovanadium
ethylenediamine
2-hydroxynaphthalene-1-carbaldehyde
oxo (bis-(2-hydroxo naphthyl-(1) methylene) ethylene diamine) vanadium (IV)
Conditions | Yield |
---|---|
at 50℃; for 0.666667h; Sonication; Irradiation; | 95.4% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
With thionyl chloride; CH2Cl2 In dichloromethane addn. of SOCl2 to a suspension of VO(CH3COCHCOCH3)2 in CH2Cl2 with vigorous stirring; stirring for about 4 h;; filtration; washed with ether (three times); dried in vac. over P4O10; elem. anal.;; | 95% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 24h; | 95% |
In methanol a soln. of ligand added to a soln. of V complex, refluxed for 1 h; crystd. for 2 d, filtered off, washed (MeOH), dried (vac.); elem. anal.; | 55% |
bis(acetylacetonate)oxovanadium
dithiobis(acetylacetone)
Conditions | Yield |
---|---|
With dimethyl sulfoxide In dimethyl sulfoxide addn. of VO(acac)2 and ((CH3CO)2CH)2S2 (molar ratio 1:1 or 1.5:1) to DMSO, stirring (until completly dissolved), heating, 45°C; vac. evapn. to dryness, washed (benzene, three times), filtered, vac. dried (room temp.), recrystd. (DMSO), washed (Et2O), vac. dried (room temp.), elem. anal.; | 95% |
bis(acetylacetonate)oxovanadium
o-chloranil
V(O)(2,2`-bipyridine)(tetrachlorocatecholate)
Conditions | Yield |
---|---|
With 2,2'-bipyridine In tetrahydrofuran stirring for several h; filtered; elem. anal.; | 95% |
chloro-trimethyl-silane
bis(acetylacetonate)oxovanadium
1,4,7-trithiacyclononane
Conditions | Yield |
---|---|
In methanol; toluene (N2); addn. of Me3SiCl and MeOH to VO(acac)2 in toluene, addn. of the ligand, refkux (45 min); filtration, washing (CH2Cl2; THF; Et2O), drying (vac.); elem. anal.; | 95% |
Conditions | Yield |
---|---|
In benzene byproducts: acetylacetone; stirring (room temp., 1 h), pptn.; filtration, washing (methanol), drying (vac.); elem. anal; | 95% |
bis(acetylacetonate)oxovanadium
N,N’-(1,2-phenylene)bis(2-hydroxybenzamide)
sodium hydroxide
Conditions | Yield |
---|---|
In methanol Ar-atmosphere; stirring ligand with NaOH to dissoln., addn. of V-complex, refluxing for 3 h; concn., pptn. on Et2O addn., collection (filtration), washing (Et2O), drying (vac.); elem. anal.; | 95% |
bis(acetylacetonate)oxovanadium
N,N'-bis(3-ethoxysalicylidene)-(R,S)(S,R)-1,2-diphenyl-1,2-ethanediamine
Conditions | Yield |
---|---|
In dichloromethane equimolar amts., stirring for 5 h; evapn., washing (ether); elem. anal.; | 95% |
bis(acetylacetonate)oxovanadium
2-(((3-(((2-hydroxybenzyl)(2-(dimethylamino)ethyl)amino)methyl)-2-hydroxy-5-methylbenzyl)(2-(dimethylamino)ethyl)amino)methyl)phenol
Conditions | Yield |
---|---|
In acetone (N2); ligand added to a stirred soln. of V complex, stirred for 2 h at ambient temp.; filtered, washed (acetone), dried (vac., CaCl2); elem. anal.; | 95% |
Conditions | Yield |
---|---|
In methanol soln. of ligand (1 mmol) added to stirred suspn. of V compd. (1 mmol), refluxed for 2 h with stirring, methanolic soln. of 8-hydroxyquinoline (1mmol) added dropwise, refluxed with stirring for 30 min; evapd., redissolved (methanol), crystd. on storage overnight, dried in air, elem. anal.; | 95% |
8-quinolinol
bis(acetylacetonate)oxovanadium
2-hydroxy-5-chloroacetophenone benzoylhydrazone
oxygen
Conditions | Yield |
---|---|
In methanol under aerobic atm., soln. of ligand (1 mmol) added dropwise to soln. of V compd., refluxed for 2 h, cooled to room temp., soln. of 8-hydroxyquinoline (1 mmol) added with stirring, stirred at room temp. for 1 h; crystd., filtered off, washed (methanol), dried over SiO2, elem. anal.; | 95% |
Conditions | Yield |
---|---|
With air In methanol byproducts: water, acetylacetone, benzene-1,3,5-tricarboxylic acid; addn. of vanadium complex to a soln. of hydrazide salt in methanol, stirring under reflux for 4 h, cooling to room temp.; filtration, washing ppt. with methanol, drying in air; elem. anal.; | 95% |
8-quinolinol
bis(acetylacetonate)oxovanadium
salicylaldehyde anthranilic acid
(8-quinolinato){N-(2-carboxyphenyl)salicylaldiminato}oxovanadium(V)
Conditions | Yield |
---|---|
In methanol refluxing V compd. and salicylaldimine in methanol, 2h; addn. of quinoline; heating, 1h; standing in air; crystn.; elem. anal.; | 94.2% |
bis(acetylacetonate)oxovanadium
Conditions | Yield |
---|---|
In dichloromethane byproducts: sodium acetylacetonate; addn. V compd. to soln. of Fe compd., stirring (1 h, room temp.); evapn. (air), filtered off, washing (ice cold H2O), drying (vac., P4O10); elem. anal.; | 94% |
bis(acetylacetonate)oxovanadium
N-(2-(4-phenyl-4-oxobut-2-en-2-ylamino)phenyl)pyridine-2-carboxamide
(N-{2-(4-phenyl-4-oxobut-2-en-2-ylamino)phenyl}pyridine-2-carboxamido)oxovanadium(IV)
Conditions | Yield |
---|---|
In methanol byproducts: acetylacetone; Ar-atmosphere; refluxing (1 d, pptn.); cooling to room temp., filtration, washing (MeOH, Et2O), drying (vac., over P2O5); elem. anal.; | 94% |
bis(acetylacetonate)oxovanadium
2,6-bis[(((5-chloro-2-hydroxybenzyl)(N',N'-(dimethylamino)ethyl))amino)methyl]-4-methylphenol
Conditions | Yield |
---|---|
In acetone (N2); ligand added to a stirred soln. of V complex, stirred at ambient temp.; filtered, washed (acetone), dried (vac., CaCl2); elem. anal.; | 94% |
Conditions | Yield |
---|---|
In methanol under aerobic atm., soln. of ligand (1 mmol) added dropwise to soln. of V compd., refluxed for 2 h, cooled to room temp., soln. of 8-hydroxyquinoline (1 mmol) added with stirring, stirred at room temp. for 1 h; crystd., filtered off, washed (methanol), dried over SiO2, elem. anal.; | 94% |
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