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*  Vanadocene dichloride
... is a suitable precursor for variety of bis(cyclopentadienyl)vanadium(IV) compounds. Reduction of ... It is a structural analogue of titanocene dichloride but with vanadium(IV) instead of titanium(IV). This compound has one ... Wilkinson, G.; Birmingham, J. G. (1954). "Bis-cyclopentadienyl Compounds of Ti, Zr, V, Nb and Ta". J. Am. Chem. Soc. 76 (17): ... Like titanocene dichloride, this organovanadium compound is currently being investigated as a potential anticancer drug ( ...
*  Organovanadium chemistry
In most compounds outside the oxidation state of +5, vanadium is paramagnetic, hampering NMR spectroscopy. Typical vanadium ... Vanadium carbonyl can be prepared from vanadium(II) chloride, vanadium oxytrichloride or vanadium acetylacetonate in reaction ... 4 Vanadium oxytrichloride is a starting material for vanadium(V) compounds: VOCl3 + Li(mes) → Li[VO(mes)3] Li[VO(mes)3] + ... Organovanadium chemistry is the chemistry of organometallic compounds containing a carbon to vanadium (V) chemical bond. ...
*  Vanadyl nitrate
... , also called vanadium oxytrinitrate or vanadium oxynitrate is a compound of vanadium in the +5 oxidation state ... Hexammino-vanadium nitrate V(NH3)6.(NO3)3 was claimed to be formed by reacting hexamino vanadium trichloride with nitric acid. ... The vanadium oxygen double bond is in the same plane as a nitrate group roughly opposite. The other two nitrate groups are at ... Another method to make it as green blue needles is via vanadium pentoxide, oxalic acid and dilute nitric acid at 90 °C, but the ...
*  Vanadium pentafluoride
Vanadium(V) fluoride is the inorganic compound with the chemical formula VF5. It is a colorless volatile liquid. It is a highly ... It is the only known pentahalide of vanadium. Vanadium pentafluoride can be prepared by fluorination of vanadium metal: 2 V + 5 ... VF5 can be synthesized from the reaction of raw materials such as metallic Vanadium, ferrovanadium, vanadium (V) oxide and ... The compound fluorinates unsaturated polyfluoroolefins into polyfluoroalkanes. The compound dissolves without reaction in ...
*  Sodium decavanadate
CS1 maint: Uses authors parameter (link) Tracey, A.S.; Crans, D.C. (1998). Vanadium Compounds. Washington D.C.: American ... The oxidation state of vanadium in decavanadate is +5. Aqueous vanadate (V) compounds undergo various self-condensation ... Sodium decavanadate describes any member of the family of inorganic compounds with the formula Na6[V10O28](H2O)n. These are ... Each species gives three signals; with slightly varying chemical shifts around −425, −506, and −523 ppm relative to vanadium ...
*  Sodium orthovanadate
"Biochemical and medical importance of vanadium compounds" (PDF). Acta Biochim. Polon. 59: 195-200. Crans, D. C.; Chatterjee, P ... Sodium orthovanadate is produced by dissolving vanadium(V) oxide in a solution of sodium hydroxide: V2O5 + 6 NaOH → 2 Na3VO4 + ... Sodium orthovanadate is the inorganic compound with the chemical formula Na3VO4·2H2O (sodium orthovanadate dihydrate). It is a ... B. (2013). "Vanadium biochemistry". In Reedijk, Jan; Poeppelmeier, Kenneth. Comprehensive Inorganic Chemistry II. 3. pp. 323- ...
*  Hemovanadin
The vanadium compound of the blood cells]. Biological Chemistry (in German). 72 (5-6): 494-501. doi:10.1515/bchm2.1911.72.5- ... It is one of the few known vanadium-containing proteins. The German chemist Martin Henze first detected vanadium in ascidians ( ... Bielig HJ, Bayer E, Califano L, Wirth L (1954). "Vanadium-containing blood pigment. 11. Hemovanadin, a sulfate complex of ... cells hold the key to resolving the highly selective accumulation and reduction of vanadium in ascidians". Microscopy Research ...
*  Glucose 6-phosphatase
Interestingly, vanadium compounds such as vanadyl sulfate have been shown to inhibit the enzyme, and thus increase the insulin ... Shehzad, Saima (2013-01-01). "The potential effect of vanadium compounds on glucose-6-phosphatase". Bioscience Horizons. 6: ... and vanadium haloperoxidases. Essential residues in the active site of vanadium haloperoxidases include: Lys353, Arg360, Arg490 ... Within the Vanadium-containing chloroperoxidase, Lys353 was found to stabilize the phosphate in the transition state. However, ...
*  Vanadium
... (II) compounds are reducing agents, and vanadium(V) compounds are oxidizing agents. Vanadium(IV) compounds often exist ... The most important industrial vanadium compound, vanadium pentoxide, is used as a catalyst for the production of sulfuric acid ... Research papers National Instrument Vanadium Technical Report Vanadium recovery methods ATSDR - ToxFAQs: Vanadium Vanadium ... Duffus, J. H. (2007). "Carcinogenicity classification of vanadium pentoxide and inorganic vanadium compounds, the NTP study of ...
*  Weston T. Borden
A, 113, 895 (2009). "Slow Hydrogen Transfer Reactions of Oxo- and Hydroxo-Vanadium Compounds: The Importance of Intrinsic ... group uses electronic structure calculations to understand and predict the reactions of organic and organometallic compounds, ...
*  Amavadin
Kneifel, H.; Bayer, E. (1986). "Stereochemistry and total synthesis of amavadin, the naturally occurring vanadium compound of ... Amavadin is a vanadium-containing anion found in three species of poisonous Amanita mushrooms: A. muscaria, A. regalis, and A. ... Amavadin contains vanadium(IV). Initially, amavadin was thought to have a vanadyl, VO2+, center. In 1993, it was discovered by ... The oxidized form contains vanadium(V), which can be used to obtain an NMR spectrum. The formation of amavadin begins with the ...
*  Vanadium tetrachloride
... is the inorganic compound with the formula VCl4. This bright red liquid serves as a useful reagent for ... It is one of only a few paramagnetic compounds that is liquid at room temperature. VCl4 is prepared by chlorination of vanadium ... the preparation of other vanadium compounds. With one more valence electron than diamagnetic TiCl4, VCl4 is a paramagnetic ... VF5 can be prepared directly by fluorination of vanadium metal, reflecting the increased oxidizing power of F2 vs Cl2. ...
*  Ammonium metavanadate
"Vanadium and Vanadium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/ ... It is an important intermediate in the purification of vanadium. The compound is prepared by the addition of ammonium salts to ... "Biochemical and medical importance of vanadium compounds" Acta Biochimica Polonica 2012, vol. 59, pp. 195-200. Crans, D. C.; ... The compound precipitates as a colorless solid. It adopts a polymeric structure consisting of chains of [VO3]-, formed as ...
*  High-temperature corrosion
Fuel sometimes contains vanadium compounds or sulfates which can form compounds during combustion having a low melting point. ... Most fuels contain small traces of vanadium. The vanadium is oxidized to different vanadates. Molten vanadates present as ... At high temperatures or lower availability of oxygen, refractory oxides - vanadium dioxide and vanadium trioxide - form. These ... Vanadium is present in petroleum, especially from Canada, western United States, Venezuela and the Caribbean region, in the ...
*  Vanadyl acetylacetonate
Mehdi, Mohamad Z.; Srivastava, Ashok K. (2005). "Organo-vanadium compounds are potent activators of the protein kinase B ... This d1 compound is paramagnetic. Its optical spectrum exhibits two transitions. It is a weak Lewis acid, forming adducts with ... The complex is generally prepared from vanadium(IV), e.g. vanadyl sulfate: VOSO4 + 2 Hacac → VO(acac)2 + H2SO4 It can also be ... TBHP oxidizes VO(acac)2 to a vanadium(V) species which coordinates the alcohol of the substrate and the hydroperoxide. Vanadyl( ...
*  Debbie C. Crans
... such as Vanadium Compounds: Chemistry, Biochemistry, and Therapeutic Applications, Vanadium: The Versatile Metal and Vanadium ... Crans, Debbie C. (30 May 2000). "Chemistry and insulin-like properties of vanadium(IV) and vanadium(V) compounds". Journal of ... doi:10.1016/s0162-0134(00)00048-9. "Chemistry and insulin-like properties of vanadium (IV) and vanadium (V) compounds". Google ... Crans is best known for her work on the role of vanadium in biological systems, especially the effects of its compounds on ...
*  Vanadium oxytrichloride
Samples often appear red or orange owing to an impurity of vanadium tetrachloride. VOCl3 is a vanadium compound with vanadium ... Vanadium oxytrichloride is the inorganic compound with the formula VOCl3. This yellow distillable liquid hydrolyzes readily in ... V2O5 + 3 SOCl2 → 2 VOCl3 + 3 SO2 Vanadium oxytrichloride quickly hydrolyzes resulting in vanadium pentoxide and hydrochloric ... Vanadium(III) oxide can also be used as a precursor: 3 Cl2 + V2O3 → 2 VOCl3 + 0.5 O2 A more typical laboratory synthesis ...
*  Period 4 element
Vanadium is never found in pure form in nature, but is commonly found in compounds. Vanadium is similar to titanium in many ... All vanadium compounds have at least some level of toxicity, with some of them being extremely toxic. Chromium (Cr) is an ... Germanium, in compounds, can sometimes irritate the eyes, skin, or lungs. Arsenic (As) is an element in period 4, between ... Cobalt is commonly used in pigments, as many compounds of cobalt are blue in color. Cobalt is also a core component of many ...
*  Tetrachloride
... a dark green compound of uranium Vanadium tetrachloride, VCl4, a bright red liquid and starting reagent in the preparation of ... vanadium compounds Zirconium tetrachloride, ZrCl4, an intermediate in the conversion of zirconium minerals to metallic ...
*  Vanadium nitride
... , VN, is a chemical compound of vanadium and nitrogen. Vanadium nitride is formed during the nitriding of steel ... Thermo reactive diffusion vanadium nitride coatings on AISI 1020 steel U.Sen Key Engineering Materials vols 264-268 (2004),577 ... Another phase, V2N, also referred to as vanadium nitride, can be formed along with VN during nitriding. VN has a cubic, rock- ... Nanocrystalline vanadium nitride has been claimed to have potential for use in supercapacitors. Munozriofano, R; Casteletti, L ...
*  Vanadium carbide
"Vanadium and Vanadium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/ ... Vanadium carbide is the inorganic compound with the formula VC. It is an extremely hard refractory ceramic material. With a ... It is produced by heating vanadium oxides with carbon at around 1000 °C. Vanadium carbide can be formed in the (111) ... It is of interest because it is prevalent in vanadium metal and alloys. Being isomorphous with vanadium monoxide, it ...
*  University of Alcalá
Studied at University of Alcalá de Henares and discovered compounds of vanadium. Francisco Vallés de Covarrubias: "Divino ...
*  Vanadium tetrafluoride
Vanadium(IV) fluoride (VF4) is an inorganic compound of vanadium and fluorine. It is paramagnetic yellow-brown solid that is ... Each vanadium centre is octahedral, surrounded by six fluoride ligands. Four of the fluoride centers bridge to adjacent ... Unlike the corresponding vanadium tetrachloride, the tetrafluoride is not volatile because it adopts a polymeric structure. It ... doi:10.1002/cber.19110440379 Becker S., Muller B. G. Vanadium Tetrafluoride, Angew. Chem. Intnl. Ed. Engl. 1990, vol. 29, page ...
*  Vincent L. Pecoraro
... which will in turn take the group one step closer to being able to apply vanadium compounds to diabetes treatment. The group ... First, the group synthesized vanadium complexes to mock the vanadium haloperoxidases in order to gain an understanding of the ... His group has interest in vanadium for bioinorganic applications. Vanadium can be naturally found in enzymes within certain ... takes bromine from seawater along with hydrogen peroxide and converts them into organobromine compounds. These unique vanadium ...
*  Vanadium(V) oxide
... (vanadia) is the inorganic compound with the formula V2O5. Commonly known as vanadium pentoxide, it is a ... From the industrial perspective, it is the most important compound of vanadium, being principal precursor to alloys of vanadium ... "Vanadium and Vanadium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/ ... Vanadium Pentoxide and other Inorganic Vanadium Compounds (Concise International Chemical Assessment Document 29) IPCS ...
*  Zinc deficiency
Nearly ten years after the identification of the zinc deficiency problem, the total amount of zinc-containing compound ... vanadium, zinc. Washington, DC: The National Academies Press; 2002. pp. 442-501. Cousins RJ (1994). "Metal elements and gene ...
*  Sodium tungsten bronze
Hagenmuller, P (1973). "Chapter 50: Tungsten bronzes, vanadium bronzes, and related compounds". Comprehensive Inorganic ... Sodium tungsten bronze is a form of insertion compound with the formula NaxWO3, where x is equal to or less than 1. Named due ... The sodium in this compound can be replaced by other alkali metals to form their tungsten bronzes, and by other metals such as ... Colour is dependent upon the proportion of sodium in the compound, ranging from golden at x≈0.9, through red, orange and deep ...