Analytical Data for Crown Ether Reactions with
Probing cations recognized by a crown ether with the 3D-RISM theory. II. 18-crown-6 ether
... the crown ethers, the supra-molecule has attracted many chemists ...present, crown ether is indispensable for the experiments in organic and analytical chemistry, since it plays a role of ...
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A potassium crown ether complex with dichloroaurate(I)
... Refinement . Refinement of F 2 against ALL reflections. The weighted R -factor wR and goodness of fit S are based on F 2 , conventional R -factors R are based on F , with F set to zero for negative F 2 . The threshold ...
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Rare earth crown ether complexes: (15 crown 5)tris(nitrato)praseodymium(III)
... Refinement . Refinement on F 2 for ALL reflections except for 1 with very negative F 2 or flagged by the user for potential systematic errors. Weighted R -factors wR and all goodnesses of fit S are based on F 2 , ...
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An Analytical Survey on Adverse Drug Reactions using Data Mining
... Drug Reactions Objective One of the most important issues in the assessment of drug safety is Adverse Drug Reactions ...many data mining techniques and methodologies have been developed to motivate ...
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Computational Evaluation of N,N-Dimethylaminophenyl Methyl Ether and Crown Ether for Metal Selective Sensor Development
... and analytical and environmental ...The analytical chemistry of gallium has also assumed increased importance because it is a component of nuclear ...and analytical determination are of continuing ...
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Recognition of metal cations with surface immobilized crown ether functionalized poly(ferrocenylsilane)
... acylation reactions performed by this procedure were promising as most reactions were completed within 5 or 10 minutes, resulting in yields of 85% and ...higher. Reactions on electron-rich aromatic ...
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Exchange reactions of poly(arylene ether ketone) dithioketals with aliphatic diols: formation and deprotection of poly(arylene ether ketal)s
... 12 It was found that PEEK-1,3-dioxane 7 hydrolyzed rapidly in air simply on redissolving it in CHCl 3 , and so it proved impracticable to obtain GPC or inherent viscosity data for this polymer. The use of ...
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Synthesis and photophysical studies of crown ether-bodipy dyes and the fabrication of bodipy embedded fluorescent nanofibers
... 1.1.8 Crown ether BODIPY dyes There has been comparatively little research on the photophysical effects of attaching crown ether moieties onto BODIPY ...formyl crown ether unit ...
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Spectral analysis and catalytic activity in the hydrolysis of the phosphate ester by aza crown ether cerium (III) complex
... the reactions were initiated by injecting the desired volume (30 µL) of the substrate (BNPP) stock solution ...The data were obtained from the kinetic curves followed by up 95% or higher conversion of the ...
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Synthesis and evaluation of dibenzo 18 crown 6 ether containing hydrazone derivative as antibacterial drug derivatives
... New derivatives of the macrocyclic polyether dibenzo-18-crown-6 that contain hydrazone groupings in the aromatic rings were synthesized. The biological activity of the polyether ring and the hydrazone groupings ...
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Gas-phase microsolvation of ubiquitin: investigation of crown ether complexation sites using ion mobility-mass spectrometry.
... the low sequence coverage in charge state 5+ hinders a clear identification of every CE-binding site. Ion mobility-mass spectrometry experiments The major focus of this study was to test whether the e ff ect of ...
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A sandwich strand supramolecular complex: aquachloro(nitrilotriacetato κ2N,O)copper(II) 18 crown 6 ether trihydrate
... supporting information sup-2 Acta Cryst. (2006). E62, m804–m806 Refinement . Refinement of F 2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F 2 , conventional R-factors R are based ...
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Crown ether derived from D-glucose as an efficient phase-transfer catalyst for the enantioselective Michael addition of malonates to enones
... spectropolarimeter Analytical and preparative thin layer chromatography was performed on silica gel plates (60 GF-254, Merck), while column chromatography was carried out using 70-230 mesh silica gel ...
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Crown-Condition Classification: A Guide to Data Collection and Analysis
... tree crown dimensions. The crown-condition clas- sification procedures described herein have been developed to facilitate monitoring of spatial and temporal trends associated with tree crown health at ...
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Nanoscale. An ion-selective crown ether covalently grafted onto chemically exfoliated MoS 2 as a biological fluid sensor PAPER.
... layered nanosheets, in which the Mo atoms are octahedrally (1T) coordinated, abbreviated as chemically exfoliated MoS 2 (ce-MoS 2 ). 12,13 Nevertheless, upon drying or annealing of the ce-MoS 2 exfoliated layers, an ...
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CdI2 Extraction with 18 Crown 6 Ether into Various Diluents: Classification of Extracted Cd(II) Complex Ions Based on the HSAB Principle
... one (=160). This value was smallest in the V j with j = CdLCl 2 , CdLBr 2 , CdLI 2 , and CdLPic 2 . This is in good agreement with the image that the size of CdL 2+ is smaller than those of CdLA 2 . The same trend as ...
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Crown Ether Schiff bases and Their Complexes: Recent Advances Review
... and crown ether complexes with toughs s-metal ions (Li + , K + , Na + , Ba +2 ) 17,18 ...the crown ether, the unit and sort of donners show in the ligand, variety and helpful impacts of ...
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Analysis of the Possibility of the Crown Ether Structure Modification by the Introduction of Chelate Fragment
... Keywords: Crown ether; Chelate; Structure modification; Sorbent; Complex stability; Cations. INTROdUCTION The polydentate reagents which are able to bind with cations that form various polyhedrons are very ...
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Assembled Nanoparticle Films with Crown Ether Derivatives as Sensors for Metal Ions
... For these films to be useful as metal ion sensors the linking and sensing mechanisms must be separate. Also, the films must be quite flexible within their networks so any solvent and ionophores may permeate through the ...
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Pseudorotaxanes in the Gas Phase: Structure and Energetics of Protonated Dibenzylamine–Crown Ether Complexes
... Results of UV-UV HB spectroscopy indicate that the dBAMH + –24C8 complex has at least two conformers, whereas the dBAMH + –15C5 and dBAMH + –18C6 complexes have one dominant isomer each. The existence of multiple stable ...
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