Academic literature on the topic 'Hexachloro-1'

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Journal articles on the topic "Hexachloro-1"

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Jelínek, T., J. Fábry, L. Hummel, K. Malý, and V. Petříček. "Structure of tetramethylammonium 7,8,9,10,11,12-hexachloro-1,2,3,4,5,6-hexahydro-1-carba-closo-dodecaborate(1–)." Acta Crystallographica Section C Crystal Structure Communications 47, no. 5 (May 15, 1991): 993–95. http://dx.doi.org/10.1107/s0108270190009210.

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Lock, Edward A., Iona S. Pratt, and John Ishmael. "Hexachloro-1, 3-butadiene-induced hydropic change in mouse liver." Journal of Applied Toxicology 5, no. 2 (April 1985): 74–79. http://dx.doi.org/10.1002/jat.2550050207.

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Apblett, Allen, Tristram Chivers, James F. Fait, and Rainer Vollmerhaus. "Negative hyperconjugation in hexachloro-3-cyclopentenylaminosulphenyl halides: Preparation and X-ray structure of C5Cl6NSBr and synthesis of C5Cl6NS+AsF6−." Canadian Journal of Chemistry 69, no. 6 (June 1, 1991): 1022–27. http://dx.doi.org/10.1139/v91-150.

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The reaction of hexachlorocyclopentadiene with (NSCl)3 at 65 °C in the absence of a solvent produced hexachloro-3-cyclopentenylidenaminosulfenyl chloride, C5Cl6NSCl, in good yield. The derivatives C5Cl6NSX(X = Br, I, C5Cl6N, NPr2i, Ph) were prepared by treatment of C5Cl6NSCl with Me3SiBr, Me3SiI, Ph3Sb, iPr2NH, and Ph2Hg, respectively. The crystal structure of C5Cl6NSBr was determined by X-ray crystallography. Crystals of C5Cl6NSBr are triclinic, space group [Formula: see text] with a = 9.626(2), b = 9.810(2), c = 13.736(2) Å, α = 79.68(1), β = 88.62(1), γ = 74.73(1)°, Z = 4, final R and Rw values were0.075 and 0.063, respectively, for 4850 unique observed reflections. The > C=NSBr moiety adopts a syn conformation and there are two different molecules of C5Cl6NSBr in the asymmetric units. The bond lengths are d(C=N) = 1.278(8) and 1.253(8), d(N—S) = 1.560(6) and 1.569(6), and d(S—Br) = 2.229(2) and2.235(2) Å. The bond angles at nitrogen are 146.7(4) and 148.6(4) and those at sulfur are 116.8(2) and 116.5(2)°. The unusual geometry of the < C=NSBr moiety is explained in terms of negative hyperconjugation (nN → σSBr*). A variable temperature 13C NMR of C5Cl6NSCl provides evidence for a fiuxional process (ΔG*298 = 68.1 ± 1.2 kJ mol−1) in solution. The dark purple compound C5Cl6NS+AsF6− was synthesized from the reaction of C5Cl6NSCl and AgAsF6 in SO2. Key words: hexachloro-3-cyclopentenylidenamino sulfides, crystal structure, hexachloro-3-cyclopentenylidenaminosulfenyl bromide.
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Herberhold, Max, Christine Dörnhöfer, and Ulf Thewalt. "Ferrocen-1,1′-dithiolato- und -diselenato-Derivate des Hexachlor-cyclotriphosphazens / Ferrocene-1,1′-dithiolato and -diselenato Derivatives of Hexachloro-cyclotriphosphazene." Zeitschrift für Naturforschung B 45, no. 6 (June 1, 1990): 741–46. http://dx.doi.org/10.1515/znb-1990-0603.

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The three pairs of geminal chloro substituents in hexachloro-cyclotriphosphazene, N3P3Cl6, are stepwise replaced by chelating ferrocene-1,1′-dichalcogenato groups, [Fe(C5H4E)2.]2-, to give the spiro-cyclotriphosphazenes N3P3Cl6-2n[(EC5H4)2Fe]n (n = 1, 2, 3; E = S (a), Se (b)). The molecular structure of P,P′-bis(ferrocene-1,1′-dithiolato)-P″-dichlorocyclotriphosphazene, N3P3Cl,[(SC5H4)2Fe]2(2a) has been determined.
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AVDEENKO, A. P., and A. L. YUSINA. "ChemInform Abstract: Some Reactions of 4-Arylsulfonylimino-2,3,5,5,6,6-hexachloro-2- cyclohexen-1-ones." ChemInform 25, no. 31 (August 19, 2010): no. http://dx.doi.org/10.1002/chin.199431115.

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Balde, L., R. Julien, and G. Morgant. "Crystal structure of 5-azoniaoctane-1,8-diammonium hexachloro tellurate(IV)-hydrogen chloride (1/1), (TeCl6)(C7N3H21) · HCl." Zeitschrift für Kristallographie - New Crystal Structures 216, no. 1-4 (April 2001): 239–40. http://dx.doi.org/10.1524/ncrs.2001.216.14.239.

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Kirby, Gordon M., and Peter H. Bach. "Enhanced Hexachloro-1:3-butadiene Nephrotoxicity in Rats with a Preexisting Adriamycin-Induced Nephrotic Syndrome." Toxicologic Pathology 23, no. 3 (May 1995): 303–12. http://dx.doi.org/10.1177/019262339502300307.

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Oesch, Franz, and C. Roland Wolf. "Properties of the microsomal and cytosolic glutathione transferases involved in hexachloro-1:3-butadiene conjugation." Biochemical Pharmacology 38, no. 2 (January 1989): 353–59. http://dx.doi.org/10.1016/0006-2952(89)90049-x.

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Ketchersid, Mary L., Frederick W. Plapp, and Morris G. Merkle. "Sorghum (Sorghum bicolor) Seed Safeners as Insecticide Synergists." Weed Science 33, no. 6 (November 1985): 774–78. http://dx.doi.org/10.1017/s0043174500083338.

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Certain oximes, including cyometrinil [(Z)-α-(cyanomethoxy)iminobenzeneacetonitrile], CGA-92194 [N-(1,3-dioxolan-2-yl-methoxy)-iminobenzeneacetonitrile], 2-pyridinealdoxime-O-benzyl ether (PA-B), and 2-pyridinealdoxime-O-phenethyl ether (PA-PE), which are known to protect sorghum from chloroacetanilide herbicides, increased the toxicity of the insecticide propoxur (o-isopropoxyphenyl-methyl carbamate) to a resistant strain of housefly (Musca domesticaL.). Flurazole [5-thiazolecarboxylic acid, benzyl ester, 2-chloro-4-(trifluoromethyl)], a nonoxime protectant for grain sorghum, had less effect on the toxicity of propoxur than did the oximes. Metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide], which can be used as a herbicide in sorghum [Sorghum bicolor(L.) Moench.] only if the seed have been treated with a protectant, also increased the toxicity of propoxur to houseflies. Commercially available insecticide synergists increase insecticide activity by inhibiting NADPH-dependent microsomal mixed-function oxidase activity. Sorghum coleoptiles possessed the enzyme system necessary to oxidize aldrin (1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-1,4-endo-exo-5,8-dimethanonaphthalene) to dieldrin (1,2,3,4,10,10-hexachloro-6, 7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-1,4-endo-exo-5,8-dimethanonaphthalene), which is a standard test for oxidative metabolism in insects. Under the conditions of these tests, the aldrin epoxidase activity in sorghum coleoptiles was not affected by pretreatment with cyometrinil or flurazole.
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Golinske, Dirk, and Jürgen Voss. "Electroreduction of Organic Compounds, 35. Quantum Chemical Calculations of Reaction Pathways for the Cathodic Dehalogenation of Chlorodibenzofurans and Oligochlorobenzenes." Zeitschrift für Naturforschung B 60, no. 7 (July 1, 2005): 780–86. http://dx.doi.org/10.1515/znb-2005-0714.

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Quantum chemical (DFT) calculations on the course of the electroreductive carboxylation of chloroarenes were performed. An explanation for the extraordinary behaviour of 2- chlorodibenzofuran (2) as compared with the corresponding 1-chloro, 3-chloro and 4-chloro derivatives was sought for and was found in the particular reaction coordinate of 2 and in the SOMO spin density distributions of the four isomers. In the same way, the regioselectivity in the formation of dicarboxylic acids from hexachloro- and 1,2,4,5-tetrachlorobenzene was investigated by DFT-MO calculations and was shown to be due to orbital effects besides steric hindrance.
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Dissertations / Theses on the topic "Hexachloro-1"

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au, D. James@murdoch edu, and Donny Lawrence James. "Biochemical Dechlorination of Hexachloro-1,3-butadiene." Murdoch University, 2010. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20100216.212048.

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Hexachloro-1,3-butadiene (HCBD) is a toxic aliphatic chlorinated hydrocarbon which is widely used as a fungicide, herbicide and heat transformer fluid. HCBD is resistant to microbial degradation and, therefore, persists in aquatic and soil environments worldwide. In this thesis, the ability of non-specific bacteria from various sources to dechlorinate HCBD in the presence of either acetate or lactate (as an electron donor) and cyanocobalamin (as an electron shuttle) under different conditions was investigated. Cultivating specific populations to reduce cyanocobalamin as a method to increase HCBD dechlorination rate was investigated. Also, the factors responsible for HCBD dechlorination and the stalling of dechlorination were studied. Lastly, redox potential measurement during the microbial reductive dechlorination of HCBD for online detection of ongoing dechlorination was evaluated. Findings from the Project „« Non-specific bacteria from activated sludge, anaerobic digested effluent from municipal waste, piggery waste and sheep rumen content are able to dechlorinate HCBD in the presence of cyanocobalamin to chlorine-free C4 gases in a biochemical reaction. „« Dechlorination was equated to the formation of completely dechlorinated end-products from HCBD dechlorination. „« Methanogens were found to be involved in HCBD dechlorination. „« Mediators rather than specific bacteria were responsible for the fast dechlorination rates. Results suggest that activated sludge may release synthesized mediators into the supernatant to enable enhanced HCBD dechlorination. „« HCBD dechlorination can be monitored using oxidation reduction potential (ORP). ORP has an effect on HCBD dechlorination rate. Scientific Significance/Novelty The most significant finding from this research is that it demonstrates chlorine-free end-products in contrast with other studies in literature (Booker and Pavlosthasis, 2000; Bosma et al., 1994) where dechlorination was equated with disappearance of HCBD into bacterial biomass and the detection of partially dechlorinated gases such as trichlorobutadiene. It also shows that, in contrast to literature where specific bacteria (i.e., pure strains/cultures) were commonly used for the dechlorination of polychlorinated hydrocarbons, results from this thesis show that non-specific bacteria were able to dechlorinate HCBD in the presence of cyanocobalamin at ratesƒx sufficiently high to be considered for bioremediation projects. Moreover, results demonstrate that ORP can be used to monitor HCBD dechlorination.
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Book chapters on the topic "Hexachloro-1"

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Winkelmann, J. "Diffusion of hexachloro-benzene (1); carbon dioxide (2)." In Gases in Gases, Liquids and their Mixtures, 287. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_120.

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Gartland, Kevin P. R., F. W. Bonner, and J. K. Nicholson. "Application of 1H NMR Urinalysis to the Examination of Nephrotoxic Lesions Induced by Mercuric Chloride, Hexachloro-1, 3-Butadiene, and Propyleneimine." In Nephrotoxicity, 509–17. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-2040-2_79.

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Yang, Raymond S. H. "Hexachloro-1,3-Butadiene: Toxicology, Metabolism, and Mechanisms of Toxicity." In Reviews of Environmental Contamination and Toxicology, 121–37. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3770-9_4.

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Jordanov, Svetomir Hadzi. "How to Remediate Pollution with Mercury and Hexachloro-Cyclohexane Residues in a Chemical Plant." In Methods and Techniques for Cleaning-up Contaminated Sites, 103–20. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6875-1_9.

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Conference papers on the topic "Hexachloro-1"

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Yeh, W. C., R. Ishihara, S. Morishita, and M. Matsumura. "Low-Temperature Chemical-Vapor-Deposition of Silicon-Nitride Film from Hexachloro-Disilane and Hydrazine." In 1995 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 1995. http://dx.doi.org/10.7567/ssdm.1995.pa-1-4.

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