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1947 3
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49 results

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Page 1
Poly(vinyl chloride) Dechlorination Catalyzed by Zirconium.
Normand AT, Wu Y, Régnier T, Fleurat-Lessard P, Rousselin Y, Théron B, Le Gendre P, Carta M. Normand AT, et al. Chemistry. 2024 Apr 11;30(21):e202304005. doi: 10.1002/chem.202304005. Epub 2024 Feb 27. Chemistry. 2024. PMID: 38314958
Poly(vinyl chloride) undergoes dechlorination in the presence of triethylsilane (Et(3)SiH) and a catalytic amount of [Cp(2)Zr(NPh(2))][CH(3)B(C(6)F(5))(3)] (1 b) at 40-80 C, with up to 91 % efficiency. Stoichiometric reactivity studies conducted on cyclohexyl chloride
Poly(vinyl chloride) undergoes dechlorination in the presence of triethylsilane (Et(3)SiH) and a catalytic amount of [Cp(2)Zr(NPh(2))][CH(3) …
Geminiarene: Molecular Scale Dual Selectivity for Chlorobenzene and Chlorocyclohexane Fractionation.
Wu JR, Yang YW. Wu JR, et al. J Am Chem Soc. 2019 Aug 7;141(31):12280-12287. doi: 10.1021/jacs.9b03559. Epub 2019 Jul 26. J Am Chem Soc. 2019. PMID: 31314522
In this work, a new version of macrocyclic arenes, namely geminiarene, has been designed and synthesized for guest complexation and chlorobenzene/chlorocyclohexane mixture separation with excellent dual selectivity. Due to its unique dual/gemini conformational feature, not …
In this work, a new version of macrocyclic arenes, namely geminiarene, has been designed and synthesized for guest complexation and chlorobe …
Intermediate-spin iron(IV)-oxido species with record reactivity.
Comba P, Nunn G, Scherz F, Walton PH. Comba P, et al. Faraday Discuss. 2022 May 18;234(0):232-244. doi: 10.1039/d1fd00073j. Faraday Discuss. 2022. PMID: 35156976 Free article.
The nonheme iron(IV)-oxido complex trans-N3-[(L(1))Fe(IV)O(Cl)](+), where L(1) is a derivative of the tetradentate bispidine 2,4-di(pyridine-2-yl)-3,7-diazabicyclo[3.3.1]nonane-1-one, has an S = 1 electronic ground state and is the most reactive nonheme iron model system known so …
The nonheme iron(IV)-oxido complex trans-N3-[(L(1))Fe(IV)O(Cl)](+), where L(1) is a derivative of the tetradentate bispidine 2,4-di(pyridine …
Effect of Mono- and Multichlorinated Organic Compounds-Chlorocyclohexane and Hexachloro-p-xylene-On the Catalytic Properties of Titanium-Magnesium Catalysts in the Homo- and Copolymerization of Ethylene with 1-Hexene.
Salakhov II, Mikenas TB, Zakharov VA, Kozlov VG, Matsko MA, Suslova TN. Salakhov II, et al. Int J Mol Sci. 2022 Sep 7;23(18):10335. doi: 10.3390/ijms231810335. Int J Mol Sci. 2022. PMID: 36142244 Free PMC article.
Ethylene polymerization and ethylene/1-hexene copolymerization over the titanium-magnesium catalytic system in the presence of chlorocyclohexane (CHC) and hexachloro-p-xylene (HCPX) has been studied. Modification of TMC with chlorocyclohexane and hexachloro-p-xylene …
Ethylene polymerization and ethylene/1-hexene copolymerization over the titanium-magnesium catalytic system in the presence of chlorocycl
Non-Heme-Iron-Mediated Selective Halogenation of Unactivated Carbon-Hydrogen Bonds.
Bleher K, Comba P, Faltermeier D, Gupta A, Kerscher M, Krieg S, Martin B, Velmurugan G, Yang S. Bleher K, et al. Chemistry. 2022 Jan 19;28(4):e202103452. doi: 10.1002/chem.202103452. Epub 2021 Dec 7. Chemistry. 2022. PMID: 34792224 Free PMC article.
Experimental data indicate that, with cyclohexane as substrate, there is selective formation of chlorocyclohexane, the halogenation being initiated by C-H abstraction and the result of a rebound of the ensuing radical to an iron-bound Cl(-) . ...
Experimental data indicate that, with cyclohexane as substrate, there is selective formation of chlorocyclohexane, the halogenation b …
Pathways of the Extremely Reactive Iron(IV)-oxido complexes with Tetradentate Bispidine Ligands.
Abu-Odeh M, Bleher K, Johnee Britto N, Comba P, Gast M, Jaccob M, Kerscher M, Krieg S, Kurth M. Abu-Odeh M, et al. Chemistry. 2021 Aug 5;27(44):11377-11390. doi: 10.1002/chem.202101045. Epub 2021 Jul 5. Chemistry. 2021. PMID: 34121233 Free PMC article.
It is also shown that the iron(III)-chlorido-hydroxido/cyclohexyl radical intermediate, resulting from C-H abstraction, selectively produces chlorocyclohexane in a rebound process. However, the life-time of the intermediate is so long that other reaction channels (known as …
It is also shown that the iron(III)-chlorido-hydroxido/cyclohexyl radical intermediate, resulting from C-H abstraction, selectively produces …
Oxidative Addition of C-Cl Bonds to a Rh(PONOP) Pincer Complex.
Longcake A, Lees MR, Senn MS, Chaplin AB. Longcake A, et al. Organometallics. 2022 Dec 12;41(23):3557-3567. doi: 10.1021/acs.organomet.2c00400. Epub 2022 Oct 31. Organometallics. 2022. PMID: 36533115 Free PMC article.
Complex 1 was found to be stable at ambient temperature, but prolonged heating in chlorobenzene at 125 C resulted in formation of [Rh(PONOP-tBu)(Ph)Cl][BAr(F) (4)] 4 with experimental and literature evidence pointing toward a concerted C(sp(2))-Cl bond oxidative addition mechanis …
Complex 1 was found to be stable at ambient temperature, but prolonged heating in chlorobenzene at 125 C resulted in formation of [Rh(PONOP- …
Photoelectrocatalytic C-H halogenation over an oxygen vacancy-rich TiO2 photoanode.
Li Z, Luo L, Li M, Chen W, Liu Y, Yang J, Xu SM, Zhou H, Ma L, Xu M, Kong X, Duan H. Li Z, et al. Nat Commun. 2021 Nov 18;12(1):6698. doi: 10.1038/s41467-021-26997-z. Nat Commun. 2021. PMID: 34795245 Free PMC article.
Moreover, we designed a self-powered PEC system and directly utilised seawater as both the electrolyte and chloride ions source, attaining chlorocyclohexane productivity of 412 mol h(-1) coupled with H(2) productivity of 9.2 mL h(-1), thus achieving a promising way to use …
Moreover, we designed a self-powered PEC system and directly utilised seawater as both the electrolyte and chloride ions source, attaining …
Summary information of human health hazard assessment of existing chemical substances (I).
Matsumoto M, Kobayashi K, Takahashi M, Hirata-Koizumi M, Ono A, Hirose A. Matsumoto M, et al. Kokuritsu Iyakuhin Shokuhin Eisei Kenkyusho Hokoku. 2015;(133):42-7. Kokuritsu Iyakuhin Shokuhin Eisei Kenkyusho Hokoku. 2015. PMID: 26821470 Review.
In this report, as a contribution to our ongoing hazard assessment activity, we present summary hazard information related to the potential human health effects of the following 5 chemical substances: 4-chlorobenzoyl chloride (CAS: 122-01-0); benzenesulfonic acid, 4-hydroxy-, tin …
In this report, as a contribution to our ongoing hazard assessment activity, we present summary hazard information related to the potential …
Chlorocyclohexane insecticides and male medfly attractants: similar stereospecificity for neuroactivity and interactions with a housefly [35S]t-butylbicyclophosphorothionate binding site.
Cohen E, Casida JE. Cohen E, et al. Life Sci. 1985 May 13;36(19):1837-42. doi: 10.1016/0024-3205(85)90156-0. Life Sci. 1985. PMID: 2581106
The relative attractancy of t-butyl cis-4-chloro-trans-2-methylcyclohexanecarboxylate and of three less active isomers of this trans-chlorocyclohexane-carboxylate parallel their potency in the [35S]TBPS binding assay. ...
The relative attractancy of t-butyl cis-4-chloro-trans-2-methylcyclohexanecarboxylate and of three less active isomers of this trans-chlo
49 results