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Showing 13 to 24 of 1102 entries
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Bifunctional Indenyl-Derived Receptors for Fluoride Chelation and Detection.

Chemistry (Weinheim an der Bergstrasse, Germany)

Tirfoin R, Abdalla JA, Aldridge S.
PMID: 26179477
Chemistry. 2015 Aug 10;21(33):11813-24. doi: 10.1002/chem.201501547. Epub 2015 Jul 15.

Anion receptors based on a [CpFe(indenyl)] scaffold offer the possibility for the incorporation of adjacent Lewis acidic functions onto a six-membered carbocyclic framework, while at the same time retaining the colorimetric/electrochemical reporter mechanisms available to synthetically simpler ferrocene systems....

Synthesis, characterization, and cytotoxicity in human erythrocytes of multifunctional, magnetic, and luminescent nanocrystalline rare earth fluorides.

Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology

Grzyb T, Mrówczyńska L, Szczeszak A, Śniadecki Z, Runowski M, Idzikowski B, Lis S.
PMID: 26457061
J Nanopart Res. 2015;17(10):399. doi: 10.1007/s11051-015-3191-2. Epub 2015 Oct 05.

Multifunctional nanoparticles exhibiting red or green luminescence properties and magnetism were synthesized and thoroughly analyzed. The hydrothermal method was used for the synthesis of Eu

Crystal Structures of Diaryliodonium Fluorides and Their Implications for Fluorination Mechanisms.

Chemistry (Weinheim an der Bergstrasse, Germany)

Lee YS, Chun JH, Hodošček M, Pike VW.
PMID: 28145069
Chemistry. 2017 Mar 28;23(18):4353-4363. doi: 10.1002/chem.201604803. Epub 2017 Mar 02.

The radiofluorination of diaryliodonium salts is of value for producing radiotracers for positron emission tomography. We report crystal structures for two diaryliodonium fluorides. Whereas diphenyliodonium fluoride (1 a) exists as a tetramer bridged by four fluoride ions, 2-methylphenyl(phenyl)iodonium fluoride...

Carbene complexes of phosphorus(V) fluorides substituted with perfluoroalkyl-groups synthesized by oxidative addition. Cleavage of the complexes reveals a new synthetic protocol for ionic liquids.

Dalton transactions (Cambridge, England : 2003)

Böttcher T, Steinhauer S, Allefeld N, Hoge B, Neumann B, Stammler HG, Bassil BS, Winter M, Mitzel NW, Röschenthaler GV.
PMID: 24346352
Dalton Trans. 2014 Feb 21;43(7):2979-87. doi: 10.1039/c3dt53043d.

The crystal structures of the previously reported 2,2-difluoro-1,3-dimethylimidazolidine and its acyclic analog were determined by in situ crystallization. Both liquid fluorinating agents have recently been introduced as potent precursors for the synthesis of p-block element carbene complexes. These fluorine...

High-pressure stabilization of argon fluorides.

Physical chemistry chemical physics : PCCP

Kurzydłowski D, Zaleski-Ejgierd P.
PMID: 26742478
Phys Chem Chem Phys. 2016 Jan 28;18(4):2309-13. doi: 10.1039/c5cp05725f.

On account of the rapid development of noble gas chemistry in the past half-century both xenon and krypton compounds can now be isolated in macroscopic quantities. The same does not hold true for the next lighter group 18 element,...

CO2 Conversion into Esters by Fluoride-Mediated Carboxylation of Organosilanes and Halide Derivatives.

Chemistry (Weinheim an der Bergstrasse, Germany)

Frogneux X, von Wolff N, Thuéry P, Lefèvre G, Cantat T.
PMID: 26712565
Chemistry. 2016 Feb 24;22(9):2930-4. doi: 10.1002/chem.201505092. Epub 2016 Jan 25.

A one-step conversion of CO2 into heteroaromatic esters is presented under metal-free conditions. Using fluoride anions as promoters for the C-Si bond activation, pyridyl, furanyl, and thienyl organosilanes are successfully carboxylated with CO2 in the presence of an electrophile....

The effect of different fluoride application methods on the remineralization of initial carious lesions.

Restorative dentistry & endodontics

Byeon SM, Lee MH, Bae TS.
PMID: 27200280
Restor Dent Endod. 2016 May;41(2):121-9. doi: 10.5395/rde.2016.41.2.121. Epub 2016 May 10.

OBJECTIVES: The purpose of this study was to assess the effect of single and combined applications of fluoride on the amount of fluoride release, and the remineralization and physical properties of enamel.MATERIALS AND METHODS: Each of four fluoride varnish...

A Comparative Evaluation of the Amount of Fluoride Release and Re-Release after Recharging from Aesthetic Restorative Materials: An in vitro Study.

Journal of clinical and diagnostic research : JCDR

Bansal R, Bansal T.
PMID: 26436037
J Clin Diagn Res. 2015 Aug;9(8):ZC11-4. doi: 10.7860/JCDR/2015/11926.6278. Epub 2015 Aug 01.

AIM: To measure the amount of fluoride released and re released after recharging from various restorative materials: Conventional Glass Ionomer Cement (Fuji II), Light Cure Resin Modified GIC (Fuji II LC), Giomer (Beautifil II), Compomer (Dyract).MATERIALS AND METHODS: Fifteen...

Rhodium-catalyzed transformation of heteroaryl aryl ethers into heteroaryl fluorides.

Chemical communications (Cambridge, England)

Arisawa M, Tanii S, Tazawa T, Yamaguchi M.
PMID: 27709178
Chem Commun (Camb). 2016 Sep 15;52(76):11390-11393. doi: 10.1039/c6cc05400e.

A rhodium complex catalyzed the conversion of the C-O bond of heteroaryl aryl ethers to the C-F bond. The reaction of (4-chlorophenylthio)pentafluorobenzene with heteroaryl aryl ethers provided heteroaryl fluorides and heteroaryl (4-chlorophenylthio)tetrafluorophenyl ethers; this involved the cleavage of a...

Direct Synthesis of Acyl Fluorides from Carboxylic Acids with the Bench-Stable Solid Reagent (Me.

Organic letters

Scattolin T, Deckers K, Schoenebeck F.
PMID: 29023131
Org Lett. 2017 Nov 03;19(21):5740-5743. doi: 10.1021/acs.orglett.7b02516.

A convenient, highly efficient, and selective transformation of aliphatic and aromatic carboxylic acids to acyl fluorides is reported. In contrast to established approaches that require toxic or volatile additives and base and reaction control (i.e., cooling, slow addition), this...

Titanium Ions Release from an Innovative Titanium-Magnesium Composite: an in Vitro Study.

Acta stomatologica Croatica

Stanec Z, Halambek J, Maldini K, Balog M, Križik P, Schauperl Z, Ćatić A.
PMID: 27688425
Acta Stomatol Croat. 2016 Mar;50(1):40-8. doi: 10.15644/asc50/1/6.

BACKGROUND: The innovative titanium-magnesium composite (Ti-Mg) was produced by powder metallurgy (P/M) method and is characterized in terms of corrosion behavior.MATERIAL AND METHODS: Two groups of experimental material, 1 mass% (Ti-1Mg) and 2 mass% (Ti-2Mg) of magnesium in titanium...

First-Principles Analysis of Defect Thermodynamics and Ion Transport in Inorganic SEI Compounds: LiF and NaF.

ACS applied materials & interfaces

Yildirim H, Kinaci A, Chan MK, Greeley JP.
PMID: 26255641
ACS Appl Mater Interfaces. 2015 Sep 02;7(34):18985-96. doi: 10.1021/acsami.5b02904. Epub 2015 Aug 24.

The formation mechanism and composition of the solid electrolyte interphase (SEI) in lithium ion batteries has been widely explored. However, relatively little is known about the function of the SEI as a transport medium. Such critical information is directly...

Showing 13 to 24 of 1102 entries