Academic literature on the topic 'VO(salen)'

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Journal articles on the topic "VO(salen)"

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Nishida, Yuzo, Tadashi Tokii, and Izumi Watanabe. "Reaction between Superoxide Anion and Several Oxovanadium(IV) Compounds." Zeitschrift für Naturforschung B 47, no. 7 (1992): 905–10. http://dx.doi.org/10.1515/znb-1992-0701.

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We have observed that the superoxide anion reacts with VO(salen), but not with VO(saldpt), where H2(salen) and H2(saldpt) are Schiff base ligands derived from salicylaldehyde and ethylenediamine or dipropylenetriamine, respectively. Based on the electrochemical, ESR, and UV spectroscopic studies of the reaction mixture, it was concluded that the superoxide anion reacts with VO(salen) to oxidize V(IV) to V(V) through the formation of a vanadium(V)-peroxide adduct with side-on configuration. The SOD-like function of VO(salen) was elucidated in terms of the above assumption.
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North, Michael, and Marta Omedes-Pujol. "Kinetics and mechanism of vanadium catalysed asymmetric cyanohydrin synthesis in propylene carbonate." Beilstein Journal of Organic Chemistry 6 (November 3, 2010): 1043–55. http://dx.doi.org/10.3762/bjoc.6.119.

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Propylene carbonate can be used as a green solvent for the asymmetric synthesis of cyanohydrin trimethylsilyl ethers from aldehydes and trimethylsilyl cyanide catalysed by VO(salen)NCS, though reactions are slower in this solvent than the corresponding reactions carried out in dichloromethane. A mechanistic study has been undertaken, comparing the catalytic activity of VO(salen)NCS in propylene carbonate and dichloromethane. Reactions in both solvents obey overall second-order kinetics, the rate of reaction being dependent on the concentration of both the aldehyde and trimethylsilyl cyanide. T
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Shokrollahi, Ardeshir, Mehrorang Ghaedi, Ali Hossain Kianfar, Morteza Montazerozohori, and Marziyeh Najibzadeh. "Construction of New Iodide Ion-Selective Electrodes Based on New Ionophores: Comparison of the Effect of Structures and Additives on Electrode Response." Journal of AOAC INTERNATIONAL 92, no. 4 (2009): 1208–18. http://dx.doi.org/10.1093/jaoac/92.4.1208.

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Abstract New iodide ion-selective electrodes based on bis(2-methyl-3-phenyl-propenylidene)1,2-propanediamine) mercury(II) bromide [Hg(BMPPMB)Br2], bis (5-bromo salicylaldehyde) ethylenediimine vanadyl(IV) [VO(5-Br Salen)], and bis(5-bromo salicylaldehyde) ethylenediimine uranyl(VI) [UO2(5-Br Salen)] carriers are described. The electrodes exhibited Nernstian slopes of 58.3 1.0, 58.5 1.4, and 59.0 1.2 mV/decade for Hg(BMPPMB)Br2, VO(5-Br Salen), and UO2(5-Br Salen) iodide ion concentration in the range of 1.0 1060.1 M, with detection limits of about 0.6, 0.5, and 0.3 M, respectively. The potenti
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Sristicheta, Misra, Bihari Pandeya Krishna, Kumar Tiwari Ashok, Zebra Ali Amtul та Saradamani T. "α-Glucosidase inhibition and DPPH free radical scavenging by oxovanadium(IV) complexes of some tetradentate Schiff bases". Journal of Indian Chemical Society Vol. 88, Aug 2011 (2011): 1195–201. https://doi.org/10.5281/zenodo.5786081.

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Department of Chemistry, University of Allahabad, Allahabad-211 002, Uttar Pradesh, India <em>E-mail</em> : kbpandeya@yahoo.com Division of Pharmacology, Indian Institute of Chemical Technology, Hyderabad-500 007, India <em>Manuscript received 04 July 2011, accepted 05 July 2011</em> <em>&alpha;</em>-Glucosidase inhibition and DPPH free radical scavenging by four oxovanadium(IV) complexes of tetradentate Schiff bases, derived from salicylaldehyde/5-bromosalicylaldehyde and ethylenediamine/phenylenediamine (VO-salen, VO-brsalen, VO-salphn and VO-brsalphn), have been screened. Among the four com
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Vergopoulos, Vassilios, Sven Jantzen, Nathalie Julien, Eric Rose, and Dieter Rehder. "Oxo- und Non-oxovanadium(IY)-Komplexe mit Oxy-Carboxylaten als Liganden, und die Struktur von VCl2(salen) / Oxo and Non-oxovanadium(IV) Complexes with Oxy-Carboxylate Ligands, and the Structure of VCl2(salen)." Zeitschrift für Naturforschung B 49, no. 8 (1994): 1127–36. http://dx.doi.org/10.1515/znb-1994-0818.

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V02+ forms complexes of composition VO(L1)EtOH), VO(HL1)2 and VO(HL2)(H2O) with the ithium or sodium salts of 6-droxymethyl-pyridine-2-arboxylic acid (H2L1) and 4,8-hydroxyquinoline-2-carboxylic acid (H3L2). VCl2(salen/salphen) and VCl2(napgly/ nappa) (napgly and nappa are the Schiff bases derived from o-ydroxynaphthaldehyde and glycine or phenylalanine, respectively), prepared from the oxo precursor and SOCl2, react with Li2L1 and the lithium salts of benzilic acid (H2L3) and ortho-ydroxybenzoic acid (H2L4) to yield the non-oxo (“bare”) complexes V(salen)L1 , V(salen)L3, V(salphen)L3, V(salen
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Galloni, Pierluca, Alessia Coletti, Barbara Floris, and Valeria Conte. "Electrochemical properties of VO salen complexes." Inorganica Chimica Acta 420 (August 2014): 144–48. http://dx.doi.org/10.1016/j.ica.2013.12.019.

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Aida, Fuyuki, Yohei Takatori, Daichi Kiyokawa, Kentaro Nagamatsu, Kenichi Oyaizu, and Hiroyuki Nishide. "Enhanced catalytic activity of oxovanadium complexes in oxidative polymerization of diphenyl disulfide." Polymer Chemistry 7, no. 11 (2016): 2087–91. http://dx.doi.org/10.1039/c5py01980j.

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Horn, Adolfo, Carlos A. L. Filgueiras, James L. Wardell, et al. "A fresh look into VO(salen) chemistry: synthesis, spectroscopy, electrochemistry and crystal structure of [VO(salen)(H2O)]Br·0.5 CH3CN." Inorganica Chimica Acta 357, no. 14 (2004): 4240–46. http://dx.doi.org/10.1016/j.ica.2004.06.023.

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Stick, R. V., K. A. Stubbs, D. M. G. Tilbrook, and A. G. Watts. "A New Catalyst for the Reductive Elimination of Acylated Glycosyl Bromides to Form Glycals." Australian Journal of Chemistry 55, no. 2 (2002): 83. http://dx.doi.org/10.1071/ch02011.

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Ethylene-N,N-bis(salicylideneiminato)oxovanadium(IV) {VO(salen)} has been developed as a useful catalyst for the reductive elimination of acylated glycosyl bromides to form glycals, both in the pyranose and furanose series, using zinc/ammonium chloride/methanol or zinc/acetic acid/acetonitrile.
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Stick, R. V., K. A. Stubbs, D. M. G. Tilbrook, and A. G. Watts. "Corrigendum to: A New Catalyst for the Reductive Elimination of Acylated Glycosyl Bromides to Form Glycals." Australian Journal of Chemistry 55, no. 4 (2002): iv. http://dx.doi.org/10.1071/ch02011_co.

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Ethylene-N,N-bis(salicylideneiminato)oxovanadium(IV) {VO(salen)} has been developed as a useful catalyst for the reductive elimination of acylated glycosyl bromides to form glycals, both in the pyranose and furanose series, using zinc/ammonium chloride/methanol or zinc/acetic acid/acetonitrile.
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Book chapters on the topic "VO(salen)"

1

Pardasani, R. T., and P. Pardasani. "Effective magnetic moment of [VO(salen)]." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-23675-4_175.

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