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Showing 1 to 12 of 55 entries
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Nucleophilic catalysis of the iodine-zinc exchange reaction: preparation of highly functionalized diaryl zinc compounds.

Angewandte Chemie (International ed. in English)

Kneisel FF, Dochnahl M, Knochel P.
PMID: 14966896
Angew Chem Int Ed Engl. 2004 Feb 13;43(8):1017-21. doi: 10.1002/anie.200353316.

No abstract available.

Homogeneous and heterogeneous catalytic oxidation of sulfides by H2O2 over zinc(II) compounds.

Dalton transactions (Cambridge, England : 2003)

Nuzhdin AL, Dybtsev DN, Fedin VP, Bukhtiyarova GA.
PMID: 20023870
Dalton Trans. 2009 Dec 21;(47):10481-5. doi: 10.1039/b914355f. Epub 2009 Nov 02.

It has been recently shown that zinc compounds are effective catalysts for the oxidation of alkyl aryl sulfides to the corresponding sulfoxides in the presence of hydrogen peroxide. In this paper, we have investigated homogeneous and heterogeneous catalytic oxidation...

Syntheses, structures, and fluorescent properties of 2-(1H-imidazol-2-yl)phenols and their neutral Zn(II) complexes.

Inorganic chemistry

Eseola AO, Li W, Gao R, Zhang M, Hao X, Liang T, Obi-Egbedi NO, Sun WH.
PMID: 19728689
Inorg Chem. 2009 Oct 05;48(19):9133-46. doi: 10.1021/ic9008703.

A series of 2-(imidazole-2-yl)phenol ligands L1-L6 with the general composition 4-R(4)-5-R(3)-6-R(2)-2-(4,5-R(1),R(1)-1H-imidazole-2-yl)phenol (L1: R(1) = C(2)H(5), R(2) = R(3) = R(4) = H; L2: R(1) = C(6)H(5), R(2) = R(3) = R(4) = H; L3: R(1) = C(6)H(5), R(3) =...

Exposing the hidden complexity of stoichiometric and catalytic metathesis reactions by elucidation of Mg-Zn hybrids.

Proceedings of the National Academy of Sciences of the United States of America

Hevia E, Chua JZ, García-Alvarez P, Kennedy AR, McCall MD.
PMID: 20212145
Proc Natl Acad Sci U S A. 2010 Mar 23;107(12):5294-9. doi: 10.1073/pnas.0913307107. Epub 2010 Mar 08.

Studying seemingly simple metathesis reactions between ZnCl(2) and (t)BuMgCl has, surprisingly, revealed a much more complex chemistry involving mixed magnesium-zinc compounds that could be regarded as Mg-Zn hybrids. Thus, the reaction of equimolar amounts of ZnCl(2) and (t)BuMgCl reveals...

Synthesis, structures and ring-opening polymerization studies of new zinc chloride and amide complexes supported by amidinate heteroscorpionate ligands.

Dalton transactions (Cambridge, England : 2003)

Sánchez-Barba LF, Alonso-Moreno C, Garcés A, Fajardo M, Fernández-Baeza J, Otero A, Lara-Sánchez A, Rodríguez AM, López-Solera I.
PMID: 19771369
Dalton Trans. 2009 Oct 14;(38):8054-62. doi: 10.1039/b910048b. Epub 2009 Aug 11.

The reaction of the heteroscorpionate lithium salts [Li(pbpamd)(THF)] [pbpamd = N,N'-diisopropylbis(3,5-dimethylpyrazol-1-yl)acetamidinate] and [Li(tbpamd)(THF)] [tbpamd = N-ethyl-N'-tert-butylbis(3,5-dimethylpyrazol-1-yl)acetamidinate] with 1 equivalent of ZnCl2 in THF affords very high yields of the neutral heteroscorpionate chloride zinc complexes [ZnCl(NNN)] (NNN = pbpamd 1...

Skin penetration by metal compounds with special reference to copper.

Toxicology mechanisms and methods

Hostynek JJ, Maibach HI.
PMID: 20021023
Toxicol Mech Methods. 2006;16(5):245-65. doi: 10.1080/15376520500194718.

The process of diffusion into and across the different structures of the skin by chemicals is reviewed, with particular attention given to copper compounds. The scarce data available from the literature indicate that, in contact with the skin, metallic...

A three-dimensional coordination polymer of 3-(3,5-dicarboxybenzyloxy)benzoic acid with zinc.

Acta crystallographica. Section C, Crystal structure communications

Patra R, Goldberg I.
PMID: 23907866
Acta Crystallogr C. 2013 Aug;69:819-21. doi: 10.1107/S0108270113017204. Epub 2013 Jul 09.

The synthesis is reported of the tricarboxylic acid 3-(3,5-dicarboxybenzyloxy)benzoic acid (H₃L) and the product of its reaction under solvothermal conditions with ZnII cations, namely poly[[μ₆-3-(3,5-dicarboxylatobenzyloxy)benzoato](dimethylformamide)-μ₃-hydroxido-dizinc(II)], [Zn₂(C₁₆H₉O7)(OH)(C₃H₇NO)]n, the formation of which is associated with complete deprotonation of H₃L. Its crystal...

Hapticity uncovered: real-space bonding indicators for zincocene chemistry.

Chemistry (Weinheim an der Bergstrasse, Germany)

Mebs S, Chilleck MA, Grabowsky S, Braun T.
PMID: 22893522
Chemistry. 2012 Sep 10;18(37):11647-61. doi: 10.1002/chem.201200870. Epub 2012 Aug 14.

The connectivities (hapticities) of asymmetric cyclopentadienyl zinc compounds are determined by theoretically obtained real-space bonding descriptors. The methods employed herein include the determination of the number of virial paths and electron localizability indicator (ELI-D) basins exhibited between the central...

A complex morphofunctional approach for zinc toxicity evaluation in rats.

Heliyon

Piavchenko G, Alekseev A, Stelmashchuk O, Seryogina E, Zherebtsov E, Kuznetsova E, Dunaev A, Volkov Y, Kuznetsov S.
PMID: 32337380
Heliyon. 2020 Apr 21;6(4):e03768. doi: 10.1016/j.heliyon.2020.e03768. eCollection 2020 Apr.

Anthropogenic activity causes the introduction of zinc compounds into the biological cycle in mining and processing sites and its accumulation in organs and tissues, causing systemic toxicity. A cumulative effect of zinc is predominantly neurotoxic and it also affects...

3D Macroporous Zinc Compound/Silicone Hybrid Foams for Amperometric Sensing of Glucose Oxidase.

Global challenges (Hoboken, NJ)

Wu Y, Fu H, Xie W, Lin Y, Kizilkaya O, Xu J.
PMID: 31565358
Glob Chall. 2018 Nov 25;3(2):1800049. doi: 10.1002/gch2.201800049. eCollection 2019 Feb.

A 3D porous matrix makes an intriguing sensing platform, which can integrate functional guest molecules. Here, the first demonstration of a zinc compound/silicone hybrid foam is reported for amperometric sensing of glucose oxidase. The silicone foam is fabricated by...

Modification of Glass/Polyester Laminates with Flame Retardants.

Materials (Basel, Switzerland)

Dowbysz A, Samsonowicz M, Kukfisz B.
PMID: 34947505
Materials (Basel). 2021 Dec 20;14(24). doi: 10.3390/ma14247901.

This paper presents a review of flame retardants used for glass/polyester laminates. It concerns flame retardants withdrawn from use such as compounds containing halogen atoms and flame retardants currently used in the industry, such as inorganic hydroxides, phosphorus and...

Diversity of Bacterial Endophytes of Maize (Zea mays) and Their Functional Potential for Micronutrient Biofortification.

Current microbiology

Verma S, Kumar M, Kumar A, Das S, Chakdar H, Varma A, Saxena AK.
PMID: 34905096
Curr Microbiol. 2021 Dec 14;79(1):6. doi: 10.1007/s00284-021-02702-7.

Microorganisms due, to their immense metabolic diversity, have the potential to augment the uptake of iron and zinc in addition to other important nutrients in plants. In the present work, 129 different strains of endophytic bacteria were retrieved from...

Showing 1 to 12 of 55 entries