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Showing 25 to 36 of 1102 entries
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Hydrothermal synthesis of Group 13 metal trifluoride complexes with neutral N-donor ligands.

Dalton transactions (Cambridge, England : 2003)

Bhalla R, Levason W, Luthra SK, McRobbie G, Monzittu FM, Palmer J, Reid G, Sanderson G, Zhang W.
PMID: 25921724
Dalton Trans. 2015 May 28;44(20):9569-80. doi: 10.1039/c5dt01120e.

The reactions of the hydrated Group 13 fluorides, MF3·3H2O (M = Al, Ga or In) with 2,2':6',2''-terpyridyl, 2,2'-bipyridyl or 1,10-phenanthroline under hydrothermal conditions (180 °C/15 h) produced high yields of the complexes [MF3(terpy)]·3H2O, [MF3(bipy)(OH2)]·2H2O and [MF3(phen)(OH2)]. X-Ray crystal structures...

Computational and experimental investigations of one-step conversion of poly(carbonate)s into value-added poly(aryl ether sulfone)s.

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

Jones GO, Yuen A, Wojtecki RJ, Hedrick JL, García JM.
PMID: 27354514
Proc Natl Acad Sci U S A. 2016 Jul 12;113(28):7722-6. doi: 10.1073/pnas.1600924113. Epub 2016 Jun 27.

It is estimated that ∼2.7 million tons poly(carbonate)s (PCs) are produced annually worldwide. In 2008, retailers pulled products from store shelves after reports of bisphenol A (BPA) leaching from baby bottles, reusable drink bottles, and other retail products. Since...

A (pentafluoroethyl)(trifluoromethyl)carbene complex of iridium and reductive activation of its sp(3)α, β, and γ carbon-fluorine bonds to give perfluoro-2-butyne, perfluoro-1,2,3-butatriene and perfluoro-1-irida-2-methyl-2-cyclobutene) complexes.

Dalton transactions (Cambridge, England : 2003)

Yuan J, Hughes RP, Rheingold AL.
PMID: 26158776
Dalton Trans. 2015 Dec 07;44(45):19518-27. doi: 10.1039/c5dt02075a. Epub 2015 Jul 09.

The (pentafluoroethyl)(trifluoromethyl)carbene complex Cp*Ir(CO)[[double bond, length as m-dash]C(CF3)(C2F5)] was synthesized by the reductive activation of the α-C-F bond in the perfluoro-sec-butyl-iridium complex Cp*Ir(CO)[CF(CF3)(C2F5)](I) with Na/Pb alloy. This compound exists as two geometric isomers in solution; the structure of one...

C-F Activation in Perfluorinated Arenes with Isonitriles under UV-Light Irradiation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Dewanji A, Mück-Lichtenfeld C, Bergander K, Daniliuc CG, Studer A.
PMID: 26189958
Chemistry. 2015 Aug 24;21(35):12295-8. doi: 10.1002/chem.201502298. Epub 2015 Jul 17.

Due to the great value of fluorinated arenes in agrochemistry, medicinal chemistry and materials science, development of methods for preparation of fluorinated arenes is of high importance. They can be either accessed by arene fluorination or by partial arene...

Ternary metal fluorides as high-energy cathodes with low cycling hysteresis.

Nature communications

Wang F, Kim SW, Seo DH, Kang K, Wang L, Su D, Vajo JJ, Wang J, Graetz J.
PMID: 25808876
Nat Commun. 2015 Mar 26;6:6668. doi: 10.1038/ncomms7668.

Transition metal fluorides are an appealing alternative to conventional intercalation compounds for use as cathodes in next-generation lithium batteries due to their extremely high capacity (3-4 times greater than the current state-of-the-art). However, issues related to reversibility, energy efficiency...

In Situ Packaging FeFx into Sack-like Carbon Nanoreactors: A Smart Way To Make Soluble Fluorides Applicable to Aqueous Batteries.

ACS applied materials & interfaces

Jiang J, Li L, Xu M, Zhu J, Li CM.
PMID: 26808115
ACS Appl Mater Interfaces. 2016 Feb 17;8(6):3874-82. doi: 10.1021/acsami.5b10737. Epub 2016 Feb 03.

Ferruginous materials have long attracted great interest in aqueous batteries since Fe is an earth-abundant and low toxic element. However, their practical application is severely hindered by their poor structural stability during deep cycling. To maximize their cyclability, we...

Variation of the Eu(II) emission wavelength by substitution of fluoride by hydride in fluorite-type compounds EuH(x)F(2-x) (0.20 ≤ x ≤ 0.67).

Inorganic chemistry

Kunkel N, Meijerink A, Kohlmann H.
PMID: 24806073
Inorg Chem. 2014 May 19;53(10):4800-2. doi: 10.1021/ic500744s. Epub 2014 May 07.

Mixed-hydride fluorides EuHxF2-x were prepared by the solid-state reaction of EuF2 and EuH2 under hydrogen gas pressure in an autoclave. Eu(II) luminescence is observed for 0.20 ≤ x ≤ 0.67, while pure EuF2 does not show any emission. The...

NaGdF.

Chemistry of materials : a publication of the American Chemical Society

Sudheendra L, Das GK, Li C, Stark D, Cena J, Cherry S, Kennedy IM.
PMID: 24803724
Chem Mater. 2014 Mar 11;26(5):1881-1888. doi: 10.1021/cm404044n. Epub 2014 Feb 17.

X-ray luminescent nanoparticles (NPs), including lanthanide fluorides, have been evaluated for application to deep tissue in vivo molecular imaging using optical tomography. A combination of high material density, higher atomic number and efficient NIR luminescence from compatible lanthanide dopant...

Giantically blue-shifted visible light in femtosecond mid-IR filament in fluorides.

Optics express

Dormidonov AE, Kompanets VO, Chekalin SV, Kandidov VP.
PMID: 26561190
Opt Express. 2015 Nov 02;23(22):29202-10. doi: 10.1364/OE.23.029202.

A giant blue shift (more than 3000 nm) of an isolated visible band of supercontinuum was discovered and studied in the single filament regime of Mid-IR femtosecond laser pulse at powers slightly exceeding critical power for self-focusing in fluorides....

Study of Cloud Water Samples Collected over Northern Poland.

Journal of environmental quality

Polkowska Ż, Błaś M, Lech D, Namieśnik J.
PMID: 25602567
J Environ Qual. 2014 Jan;43(1):328-37. doi: 10.2134/jeq2013.05.0172.

The paper gives the results of the first studies on the chemistry of cloud water collected during 3 mo (Aug.-Oct. 2010) in the free atmosphere over the area to the south of the Tri-City (Gdansk-Sopot-Gdynia) conurbation on the Gulf...

Mechanochemically synthesized fluorides: local structures and ion transport.

Dalton transactions (Cambridge, England : 2003)

Preishuber-Pflügl F, Wilkening M.
PMID: 27172256
Dalton Trans. 2016 Jun 07;45(21):8675-87. doi: 10.1039/c6dt00944a. Epub 2016 May 12.

The performance of new sensors or advanced electrochemical energy storage devices strongly depends on the active materials chosen to realize such systems. In particular, their morphology may greatly influence their overall macroscopic properties. Frequently, limitations in classical ways of...

Catalytic Iodination of the Aliphatic C-F Bond by YbI3(THF)3: Mechanistic Insight and Synthetic Utility.

Organic letters

Janjetovic M, Ekebergh A, Träff AM, Hilmersson G.
PMID: 27243465
Org Lett. 2016 Jun 17;18(12):2804-7. doi: 10.1021/acs.orglett.6b01022. Epub 2016 May 31.

A facile iodination protocol of unactivated alkyl fluorides using catalytic amounts of YbI3(THF)3 in the presence of iodotrimethylsilane as a stoichiometric fluoride trapping agent is presented. (1)H NMR spectroscopy demonstrates a two-step catalytic cycle where TMSI regenerates active YbI3(THF)3....

Showing 25 to 36 of 1102 entries